Components
24
Twig Components
159
Render Count
1222
ms
Render Time
16.0
MiB
Memory Usage
Components
Render calls
entry | App\Twig\Components\EntryComponent | 12.0 MiB | 50.03 ms | |
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Component | App\Twig\Components\EntryComponent {#2959 -authorizationChecker: Symfony\Component\Security\Core\Authorization\AuthorizationChecker {#931 …} -newCommentMarkerCount: App\Kbin\NewCommentMarker\NewCommentMarkerCount {#2960 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -twig: Twig\Environment {#1252 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} -security: Symfony\Bundle\SecurityBundle\Security {#1101 …} +entry: App\Entity\Entry {#2388 +user: Proxies\__CG__\App\Entity\User {#1943 +avatar: null +cover: null +email: "trafguy@midwest.social" +username: "@trafguy@midwest.social" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1701527013 {#1516 : 2023-12-02 15:23:33.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true 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"askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: Doctrine\ORM\PersistentCollection {#72 …} +awards: Doctrine\ORM\PersistentCollection {#61 …} +categories: Doctrine\ORM\PersistentCollection {#1820 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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user_inline | App\Twig\Components\UserInlineComponent | 12.0 MiB | 0.61 ms | |
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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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Component | App\Twig\Components\UserInlineComponent {#4649 +user: App\Entity\User {#3984 +avatar: Proxies\__CG__\App\Entity\Image {#3985 …} +cover: null +email: "ElectricTrombone@lemmy.world" +username: "@ElectricTrombone@lemmy.world" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1727237586 {#4044 : 2024-09-25 06:13:06.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#3989 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#3982 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#3979 …} +entries: Doctrine\ORM\PersistentCollection {#3977 …} +entryVotes: Doctrine\ORM\PersistentCollection {#3974 …} +entryComments: Doctrine\ORM\PersistentCollection {#3972 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#3970 …} +posts: Doctrine\ORM\PersistentCollection {#3967 …} +postVotes: Doctrine\ORM\PersistentCollection {#3965 …} +postComments: Doctrine\ORM\PersistentCollection {#3963 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#3960 …} +subscriptions: Doctrine\ORM\PersistentCollection {#3958 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#3956 …} +follows: Doctrine\ORM\PersistentCollection {#4098 …} +followers: Doctrine\ORM\PersistentCollection {#4091 …} +blocks: Doctrine\ORM\PersistentCollection {#4081 …} +blockers: Doctrine\ORM\PersistentCollection {#4070 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4043 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4101 …} +reports: Doctrine\ORM\PersistentCollection {#4097 …} +favourites: Doctrine\ORM\PersistentCollection {#4095 …} +violations: Doctrine\ORM\PersistentCollection {#4094 …} +notifications: Doctrine\ORM\PersistentCollection {#4093 …} +awards: Doctrine\ORM\PersistentCollection {#4083 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4086 …} +categories: Doctrine\ORM\PersistentCollection {#4084 …} -id: 38141 -password: "$2y$13$FKgXzi8n8Wwq6tj7V2zvB.Vx/aQu4cjqZHjKo/ytCFhMsAW4Uw5Ru" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4082 …} +apId: "ElectricTrombone@lemmy.world" +apProfileId: "https://lemmy.world/u/ElectricTrombone" +apPublicUrl: "https://lemmy.world/u/ElectricTrombone" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "ElectricTrombone" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727971195 {#4040 : 2024-10-03 17:59:55.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1691061264 {#4038 : 2023-08-03 13:14:24.0 +02:00 } } +showAvatar: false } |
date | App\Twig\Components\DateComponent | 12.0 MiB | 0.14 ms | |
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Input props | [ "date" => DateTimeImmutable @1691061483 {#3981 : 2023-08-03 13:18:03.0 +02:00 } ] |
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Attributes | [] |
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Component | App\Twig\Components\DateComponent {#4704 +date: DateTimeImmutable @1691061483 {#3981 : 2023-08-03 13:18:03.0 +02:00 } } |
date_edited | App\Twig\Components\DateEditedComponent | 12.0 MiB | 0.09 ms | |
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Input props | [ "createdAt" => DateTimeImmutable @1691061483 {#3981 : 2023-08-03 13:18:03.0 +02:00 } "editedAt" => null ] |
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Attributes | [] |
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Component | App\Twig\Components\DateEditedComponent {#4758 +createdAt: DateTimeImmutable @1691061483 {#3981 : 2023-08-03 13:18:03.0 +02:00 } +editedAt: null } |
user_avatar | App\Twig\Components\UserAvatarComponent | 12.0 MiB | 41.89 ms | |
---|---|---|---|---|
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Component | App\Twig\Components\UserAvatarComponent {#4814 +width: 40 +height: 40 +user: App\Entity\User {#3984 +avatar: Proxies\__CG__\App\Entity\Image {#3985 …} +cover: null +email: "ElectricTrombone@lemmy.world" +username: "@ElectricTrombone@lemmy.world" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1727237586 {#4044 : 2024-09-25 06:13:06.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#3989 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#3982 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#3979 …} +entries: Doctrine\ORM\PersistentCollection {#3977 …} +entryVotes: Doctrine\ORM\PersistentCollection {#3974 …} +entryComments: Doctrine\ORM\PersistentCollection {#3972 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#3970 …} +posts: Doctrine\ORM\PersistentCollection {#3967 …} +postVotes: Doctrine\ORM\PersistentCollection {#3965 …} +postComments: Doctrine\ORM\PersistentCollection {#3963 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#3960 …} +subscriptions: Doctrine\ORM\PersistentCollection {#3958 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#3956 …} +follows: Doctrine\ORM\PersistentCollection {#4098 …} +followers: Doctrine\ORM\PersistentCollection {#4091 …} +blocks: Doctrine\ORM\PersistentCollection {#4081 …} +blockers: Doctrine\ORM\PersistentCollection {#4070 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4043 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4101 …} +reports: Doctrine\ORM\PersistentCollection {#4097 …} +favourites: Doctrine\ORM\PersistentCollection {#4095 …} +violations: Doctrine\ORM\PersistentCollection {#4094 …} +notifications: Doctrine\ORM\PersistentCollection {#4093 …} +awards: Doctrine\ORM\PersistentCollection {#4083 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4086 …} +categories: Doctrine\ORM\PersistentCollection {#4084 …} -id: 38141 -password: "$2y$13$FKgXzi8n8Wwq6tj7V2zvB.Vx/aQu4cjqZHjKo/ytCFhMsAW4Uw5Ru" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4082 …} +apId: "ElectricTrombone@lemmy.world" +apProfileId: "https://lemmy.world/u/ElectricTrombone" +apPublicUrl: "https://lemmy.world/u/ElectricTrombone" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "ElectricTrombone" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727971195 {#4040 : 2024-10-03 17:59:55.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1691061264 {#4038 : 2023-08-03 13:14:24.0 +02:00 } } +asLink: true } |
vote | App\Twig\Components\VoteComponent | 12.0 MiB | 5.52 ms | |
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Input props | [ "subject" => App\Entity\EntryComment {#4036 +user: App\Entity\User {#3984 +avatar: Proxies\__CG__\App\Entity\Image {#3985 …} +cover: null +email: "ElectricTrombone@lemmy.world" +username: "@ElectricTrombone@lemmy.world" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1727237586 {#4044 : 2024-09-25 06:13:06.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: 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{#4091 …} +blocks: Doctrine\ORM\PersistentCollection {#4081 …} +blockers: Doctrine\ORM\PersistentCollection {#4070 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4043 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4101 …} +reports: Doctrine\ORM\PersistentCollection {#4097 …} +favourites: Doctrine\ORM\PersistentCollection {#4095 …} +violations: Doctrine\ORM\PersistentCollection {#4094 …} +notifications: Doctrine\ORM\PersistentCollection {#4093 …} +awards: Doctrine\ORM\PersistentCollection {#4083 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4086 …} +categories: Doctrine\ORM\PersistentCollection {#4084 …} -id: 38141 -password: "$2y$13$FKgXzi8n8Wwq6tj7V2zvB.Vx/aQu4cjqZHjKo/ytCFhMsAW4Uw5Ru" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4082 …} +apId: "ElectricTrombone@lemmy.world" +apProfileId: "https://lemmy.world/u/ElectricTrombone" +apPublicUrl: "https://lemmy.world/u/ElectricTrombone" +apFollowersUrl: 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Doctrine\ORM\PersistentCollection {#1490 …} +postComments: Doctrine\ORM\PersistentCollection {#1772 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#1622 …} +subscriptions: Doctrine\ORM\PersistentCollection {#1758 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#1450 …} +follows: Doctrine\ORM\PersistentCollection {#1422 …} +followers: Doctrine\ORM\PersistentCollection {#1660 …} +blocks: Doctrine\ORM\PersistentCollection {#1454 …} +blockers: Doctrine\ORM\PersistentCollection {#1425 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#1439 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#1428 …} +reports: Doctrine\ORM\PersistentCollection {#1461 …} +favourites: Doctrine\ORM\PersistentCollection {#1438 …} +violations: Doctrine\ORM\PersistentCollection {#1697 …} +notifications: Doctrine\ORM\PersistentCollection {#1690 …} +awards: Doctrine\ORM\PersistentCollection {#1429 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#1612 …} +categories: Doctrine\ORM\PersistentCollection {#1675 …} -id: 30753 -password: "$2y$13$V.iCe02RTvsCKlk9VR8eyO/XOHNlerws30k4pHsZdtecSqn5repUW" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1668 …} +apId: "trafguy@midwest.social" +apProfileId: "https://midwest.social/u/trafguy" +apPublicUrl: "https://midwest.social/u/trafguy" +apFollowersUrl: null +apInboxUrl: "https://midwest.social/inbox" +apDomain: "midwest.social" +apPreferredUsername: "trafguy" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1705341170 {#1537 : 2024-01-15 18:52:50.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1689652756 {#1515 : 2023-07-18 05:59:16.0 +02:00 } +__isInitialized__: true …2 } +magazine: App\Entity\Magazine {#266 +icon: Proxies\__CG__\App\Entity\Image {#247 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: Doctrine\ORM\PersistentCollection {#72 …} +awards: Doctrine\ORM\PersistentCollection {#61 …} +categories: Doctrine\ORM\PersistentCollection {#1820 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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I built something similar where I had a battery powered circuit that needed to be on for a long time. This is different than making a latching relay from a normal relay. A latching type relay uses a pulse. You send a short pulse down the line and it flops over. 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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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I built something similar where I had a battery powered circuit that needed to be on for a long time. This is different than making a latching relay from a normal relay. A latching type relay uses a pulse. You send a short pulse down the line and it flops over. 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**For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: 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"Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: "Find a latching relay. I built something similar where I had a battery powered circuit that needed to be on for a long time. This is different than making a latching relay from a normal relay. A latching type relay uses a pulse. You send a short pulse down the line and it flops over. The datasheet will tell you the pulse width." +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1691061483 {#4045 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4034 …} +nested: Doctrine\ORM\PersistentCollection {#4032 …} +votes: Doctrine\ORM\PersistentCollection {#4030 …} +reports: Doctrine\ORM\PersistentCollection {#4028 …} +favourites: Doctrine\ORM\PersistentCollection {#3996 …} +notifications: Doctrine\ORM\PersistentCollection {#4000 …} -id: 24982 -bodyTs: "'batteri':13 'built':6 'circuit':15 'datasheet':57 'differ':27 'find':1 'flop':54 'latch':3,31,38 'line':51 'long':23 'make':29 'need':17 'normal':35 'power':14 'puls':43,48,62 'relay':4,32,36,40 'send':45 'short':47 'similar':8 'someth':7 'tell':59 'time':24 'type':39 'use':41 'width':63" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/2011189" +editedAt: null +createdAt: DateTimeImmutable @1691061483 {#3981 : 2023-08-03 13:18:03.0 +02:00 } } "level" => 1 "showNested" => true "view" => "tree" ] |
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"askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} 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"Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: "Find a latching relay. I built something similar where I had a battery powered circuit that needed to be on for a long time. This is different than making a latching relay from a normal relay. A latching type relay uses a pulse. You send a short pulse down the line and it flops over. The datasheet will tell you the pulse width." +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1691061483 {#4045 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4034 …} +nested: Doctrine\ORM\PersistentCollection {#4032 …} +votes: Doctrine\ORM\PersistentCollection {#4030 …} +reports: Doctrine\ORM\PersistentCollection {#4028 …} +favourites: Doctrine\ORM\PersistentCollection {#3996 …} +notifications: Doctrine\ORM\PersistentCollection {#4000 …} -id: 24982 -bodyTs: "'batteri':13 'built':6 'circuit':15 'datasheet':57 'differ':27 'find':1 'flop':54 'latch':3,31,38 'line':51 'long':23 'make':29 'need':17 'normal':35 'power':14 'puls':43,48,62 'relay':4,32,36,40 'send':45 'short':47 'similar':8 'someth':7 'tell':59 'time':24 'type':39 'use':41 'width':63" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/2011189" +editedAt: null +createdAt: DateTimeImmutable @1691061483 {#3981 : 2023-08-03 13:18:03.0 +02:00 } } +nestedComments: [] +level: 1 +view: "tree" -entryCommentRepository: App\Repository\EntryCommentRepository {#558 …} -twig: Twig\Environment {#1252 …} -security: Symfony\Bundle\SecurityBundle\Security {#1101 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} } |
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+url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ I sort of hate relays. For 12VDC and a light load, I might consider a depletion-mode MOSFET and a diode to protect the battery. Much faster switching time than a relay, and quite probably lower internal resistance! Also no moving parts and much lower current consumption. There are some cases where it’s not appropriate though.\n \n Anyway, I looked through the datasheet and you’re right – no mention of wear and tear from just leaving the solenoid energized, only from switching. Failure time also seems to increase when switching high currents. Since you don’t seem to be doing either of those things, I think you should be in the clear. """ +lang: "en" +isAdult: false +favouriteCount: 3 +score: 0 +lastActive: DateTime @1690444650 {#4079 : 2023-07-27 09:57:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4071 …} +nested: Doctrine\ORM\PersistentCollection {#4069 …} +votes: Doctrine\ORM\PersistentCollection {#4067 …} +reports: Doctrine\ORM\PersistentCollection {#4064 …} +favourites: Doctrine\ORM\PersistentCollection {#4060 …} +notifications: Doctrine\ORM\PersistentCollection {#4058 …} -id: 23291 -bodyTs: "'12vdc':7 'also':40,86 'anyway':59 'appropri':57 'batteri':26 'case':52 'clear':113 'consid':14 'consumpt':48 'current':47,93 'datasheet':64 'deplet':17 'depletion-mod':16 'diod':22 'either':102 'energ':80 'failur':84 'faster':28 'hate':4 'high':92 'increas':89 'intern':38 'leav':77 'light':10 'load':11 'look':61 'lower':37,46 'mention':70 'might':13 'mode':18 'mosfet':19 'move':42 'much':27,45 'part':43 'probabl':36 'protect':24 'quit':35 're':67 'relay':5,33 'resist':39 'right':68 'seem':87,98 'sinc':94 'solenoid':79 'sort':2 'switch':29,83,91 'tear':74 'thing':105 'think':107 'though':58 'time':30,85 'wear':72" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://voltage.vn/comment/102523" +editedAt: null +createdAt: DateTimeImmutable @1690179478 {#4077 : 2023-07-24 08:17:58.0 +02:00 } } "showNested" => true "dateAsUrl" => false "showMagazineName" => false "showEntryTitle" => false ] |
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**For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: Doctrine\ORM\PersistentCollection {#72 …} +awards: Doctrine\ORM\PersistentCollection {#61 …} +categories: Doctrine\ORM\PersistentCollection {#1820 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ I sort of hate relays. For 12VDC and a light load, I might consider a depletion-mode MOSFET and a diode to protect the battery. Much faster switching time than a relay, and quite probably lower internal resistance! Also no moving parts and much lower current consumption. There are some cases where it’s not appropriate though.\n \n Anyway, I looked through the datasheet and you’re right – no mention of wear and tear from just leaving the solenoid energized, only from switching. Failure time also seems to increase when switching high currents. Since you don’t seem to be doing either of those things, I think you should be in the clear. 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date | App\Twig\Components\DateComponent | 12.0 MiB | 0.62 ms | |
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Component | App\Twig\Components\DateComponent {#5393 +date: DateTimeImmutable @1690179478 {#4077 : 2023-07-24 08:17:58.0 +02:00 } } |
date_edited | App\Twig\Components\DateEditedComponent | 12.0 MiB | 0.51 ms | |
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user_avatar | App\Twig\Components\UserAvatarComponent | 12.0 MiB | 0.77 ms | |
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Component | App\Twig\Components\UserAvatarComponent {#5501 +width: 40 +height: 40 +user: App\Entity\User {#4056 +avatar: null +cover: null +email: "Saigonauticon@voltage.vn" +username: "@Saigonauticon@voltage.vn" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1703981706 {#4078 : 2023-12-31 01:15:06.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4055 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4053 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4051 …} +entries: Doctrine\ORM\PersistentCollection {#4049 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4047 …} +entryComments: Doctrine\ORM\PersistentCollection {#4106 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4107 …} +posts: Doctrine\ORM\PersistentCollection {#4109 …} +postVotes: Doctrine\ORM\PersistentCollection {#4111 …} +postComments: Doctrine\ORM\PersistentCollection {#4113 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4115 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4117 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4119 …} +follows: Doctrine\ORM\PersistentCollection {#4121 …} +followers: Doctrine\ORM\PersistentCollection {#4123 …} +blocks: Doctrine\ORM\PersistentCollection {#4125 …} +blockers: Doctrine\ORM\PersistentCollection {#4127 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4129 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4131 …} +reports: Doctrine\ORM\PersistentCollection {#4133 …} +favourites: Doctrine\ORM\PersistentCollection {#4135 …} +violations: Doctrine\ORM\PersistentCollection {#4137 …} +notifications: Doctrine\ORM\PersistentCollection {#4139 …} +awards: Doctrine\ORM\PersistentCollection {#4141 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4143 …} +categories: Doctrine\ORM\PersistentCollection {#4145 …} -id: 269 -password: "$2y$13$UYqaD7bZp4O.OwB02SlMIeKWP1aeHwuKf.UMqd1I/0STqvflxyU5K" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4147 …} +apId: "Saigonauticon@voltage.vn" +apProfileId: "https://voltage.vn/u/Saigonauticon" +apPublicUrl: "https://voltage.vn/u/Saigonauticon" +apFollowersUrl: null +apInboxUrl: "https://voltage.vn/inbox" +apDomain: "voltage.vn" +apPreferredUsername: "Saigonauticon" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1709584336 {#4075 : 2024-03-04 21:32:16.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1686890246 {#4068 : 2023-06-16 06:37:26.0 +02:00 } } +asLink: true } |
vote | App\Twig\Components\VoteComponent | 12.0 MiB | 0.54 ms | |
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30753 -password: "$2y$13$V.iCe02RTvsCKlk9VR8eyO/XOHNlerws30k4pHsZdtecSqn5repUW" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1668 …} +apId: "trafguy@midwest.social" +apProfileId: "https://midwest.social/u/trafguy" +apPublicUrl: "https://midwest.social/u/trafguy" +apFollowersUrl: null +apInboxUrl: "https://midwest.social/inbox" +apDomain: "midwest.social" +apPreferredUsername: "trafguy" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1705341170 {#1537 : 2024-01-15 18:52:50.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1689652756 {#1515 : 2023-07-18 05:59:16.0 +02:00 } +__isInitialized__: true …2 } +magazine: App\Entity\Magazine {#266 +icon: Proxies\__CG__\App\Entity\Image {#247 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: Doctrine\ORM\PersistentCollection {#72 …} +awards: Doctrine\ORM\PersistentCollection {#61 …} +categories: Doctrine\ORM\PersistentCollection {#1820 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ I sort of hate relays. For 12VDC and a light load, I might consider a depletion-mode MOSFET and a diode to protect the battery. Much faster switching time than a relay, and quite probably lower internal resistance! Also no moving parts and much lower current consumption. There are some cases where it’s not appropriate though.\n \n Anyway, I looked through the datasheet and you’re right – no mention of wear and tear from just leaving the solenoid energized, only from switching. Failure time also seems to increase when switching high currents. Since you don’t seem to be doing either of those things, I think you should be in the clear. """ +lang: "en" +isAdult: false +favouriteCount: 3 +score: 0 +lastActive: DateTime @1690444650 {#4079 : 2023-07-27 09:57:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4071 …} +nested: Doctrine\ORM\PersistentCollection {#4069 …} +votes: Doctrine\ORM\PersistentCollection {#4067 …} +reports: Doctrine\ORM\PersistentCollection {#4064 …} +favourites: Doctrine\ORM\PersistentCollection {#4060 …} +notifications: Doctrine\ORM\PersistentCollection {#4058 …} -id: 23291 -bodyTs: "'12vdc':7 'also':40,86 'anyway':59 'appropri':57 'batteri':26 'case':52 'clear':113 'consid':14 'consumpt':48 'current':47,93 'datasheet':64 'deplet':17 'depletion-mod':16 'diod':22 'either':102 'energ':80 'failur':84 'faster':28 'hate':4 'high':92 'increas':89 'intern':38 'leav':77 'light':10 'load':11 'look':61 'lower':37,46 'mention':70 'might':13 'mode':18 'mosfet':19 'move':42 'much':27,45 'part':43 'probabl':36 'protect':24 'quit':35 're':67 'relay':5,33 'resist':39 'right':68 'seem':87,98 'sinc':94 'solenoid':79 'sort':2 'switch':29,83,91 'tear':74 'thing':105 'think':107 'though':58 'time':30,85 'wear':72" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://voltage.vn/comment/102523" +editedAt: null +createdAt: DateTimeImmutable @1690179478 {#4077 : 2023-07-24 08:17:58.0 +02:00 } } ] |
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Attributes | [] |
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+url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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For 12VDC and a light load, I might consider a depletion-mode MOSFET and a diode to protect the battery. Much faster switching time than a relay, and quite probably lower internal resistance! Also no moving parts and much lower current consumption. There are some cases where it’s not appropriate though.\n \n Anyway, I looked through the datasheet and you’re right – no mention of wear and tear from just leaving the solenoid energized, only from switching. Failure time also seems to increase when switching high currents. Since you don’t seem to be doing either of those things, I think you should be in the clear. 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+url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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For 12VDC and a light load, I might consider a depletion-mode MOSFET and a diode to protect the battery. Much faster switching time than a relay, and quite probably lower internal resistance! Also no moving parts and much lower current consumption. There are some cases where it’s not appropriate though.\n \n Anyway, I looked through the datasheet and you’re right – no mention of wear and tear from just leaving the solenoid energized, only from switching. Failure time also seems to increase when switching high currents. Since you don’t seem to be doing either of those things, I think you should be in the clear. 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"askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} 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"Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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For 12VDC and a light load, I might consider a depletion-mode MOSFET and a diode to protect the battery. Much faster switching time than a relay, and quite probably lower internal resistance! Also no moving parts and much lower current consumption. There are some cases where it’s not appropriate though.\n \n Anyway, I looked through the datasheet and you’re right – no mention of wear and tear from just leaving the solenoid energized, only from switching. Failure time also seems to increase when switching high currents. Since you don’t seem to be doing either of those things, I think you should be in the clear. """ +lang: "en" +isAdult: false +favouriteCount: 3 +score: 0 +lastActive: DateTime @1690444650 {#4079 : 2023-07-27 09:57:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4071 …} +nested: Doctrine\ORM\PersistentCollection {#4069 …} +votes: Doctrine\ORM\PersistentCollection {#4067 …} +reports: Doctrine\ORM\PersistentCollection {#4064 …} +favourites: Doctrine\ORM\PersistentCollection {#4060 …} +notifications: Doctrine\ORM\PersistentCollection {#4058 …} -id: 23291 -bodyTs: "'12vdc':7 'also':40,86 'anyway':59 'appropri':57 'batteri':26 'case':52 'clear':113 'consid':14 'consumpt':48 'current':47,93 'datasheet':64 'deplet':17 'depletion-mod':16 'diod':22 'either':102 'energ':80 'failur':84 'faster':28 'hate':4 'high':92 'increas':89 'intern':38 'leav':77 'light':10 'load':11 'look':61 'lower':37,46 'mention':70 'might':13 'mode':18 'mosfet':19 'move':42 'much':27,45 'part':43 'probabl':36 'protect':24 'quit':35 're':67 'relay':5,33 'resist':39 'right':68 'seem':87,98 'sinc':94 'solenoid':79 'sort':2 'switch':29,83,91 'tear':74 'thing':105 'think':107 'though':58 'time':30,85 'wear':72" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://voltage.vn/comment/102523" +editedAt: null +createdAt: DateTimeImmutable @1690179478 {#4077 : 2023-07-24 08:17:58.0 +02:00 } } -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} } |
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+url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ I sort of hate relays. For 12VDC and a light load, I might consider a depletion-mode MOSFET and a diode to protect the battery. Much faster switching time than a relay, and quite probably lower internal resistance! Also no moving parts and much lower current consumption. There are some cases where it’s not appropriate though.\n \n Anyway, I looked through the datasheet and you’re right – no mention of wear and tear from just leaving the solenoid energized, only from switching. Failure time also seems to increase when switching high currents. Since you don’t seem to be doing either of those things, I think you should be in the clear. 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"Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ I sort of hate relays. For 12VDC and a light load, I might consider a depletion-mode MOSFET and a diode to protect the battery. Much faster switching time than a relay, and quite probably lower internal resistance! Also no moving parts and much lower current consumption. There are some cases where it’s not appropriate though.\n \n Anyway, I looked through the datasheet and you’re right – no mention of wear and tear from just leaving the solenoid energized, only from switching. Failure time also seems to increase when switching high currents. Since you don’t seem to be doing either of those things, I think you should be in the clear. 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+root: App\Entity\EntryComment {#4073} +body: "Would this be a good use case for an SSR?" +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690388210 {#4517 : 2023-07-26 18:16:50.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@Saigonauticon@voltage.vn" ] +children: Doctrine\ORM\PersistentCollection {#4521 …} +nested: Doctrine\ORM\PersistentCollection {#4523 …} +votes: Doctrine\ORM\PersistentCollection {#4525 …} +reports: Doctrine\ORM\PersistentCollection {#4527 …} +favourites: Doctrine\ORM\PersistentCollection {#4529 …} +notifications: Doctrine\ORM\PersistentCollection {#4531 …} -id: 23654 -bodyTs: "'case':7 'good':5 'ssr':10 'use':6 'would':1" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/1405066" +editedAt: null +createdAt: DateTimeImmutable @1690388210 {#4518 : 2023-07-26 18:16:50.0 +02:00 } } 23790 => App\Entity\EntryComment {#4573 +user: App\Entity\User {#4056} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4519} +root: App\Entity\EntryComment {#4073} +body: """ I was thinking about that, but if they are using 12VDC + light load a MOSFET would be more cost and space efficient, and probably more electrically efficient too. No real voltage drop, and just a few milliohms added to the load.\n \n I mainly use SSRs to switch mains power, although it’s true they can be used for other things too. 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+description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: Doctrine\ORM\PersistentCollection {#72 …} +awards: Doctrine\ORM\PersistentCollection {#61 …} +categories: Doctrine\ORM\PersistentCollection {#1820 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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For 12VDC and a light load, I might consider a depletion-mode MOSFET and a diode to protect the battery. Much faster switching time than a relay, and quite probably lower internal resistance! Also no moving parts and much lower current consumption. There are some cases where it’s not appropriate though.\n \n Anyway, I looked through the datasheet and you’re right – no mention of wear and tear from just leaving the solenoid energized, only from switching. Failure time also seems to increase when switching high currents. Since you don’t seem to be doing either of those things, I think you should be in the clear. """ +lang: "en" +isAdult: false +favouriteCount: 3 +score: 0 +lastActive: DateTime @1690444650 {#4079 : 2023-07-27 09:57:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4071 …} +nested: Doctrine\ORM\PersistentCollection {#4069 …} +votes: Doctrine\ORM\PersistentCollection {#4067 …} +reports: Doctrine\ORM\PersistentCollection {#4064 …} +favourites: Doctrine\ORM\PersistentCollection {#4060 …} +notifications: Doctrine\ORM\PersistentCollection {#4058 …} -id: 23291 -bodyTs: "'12vdc':7 'also':40,86 'anyway':59 'appropri':57 'batteri':26 'case':52 'clear':113 'consid':14 'consumpt':48 'current':47,93 'datasheet':64 'deplet':17 'depletion-mod':16 'diod':22 'either':102 'energ':80 'failur':84 'faster':28 'hate':4 'high':92 'increas':89 'intern':38 'leav':77 'light':10 'load':11 'look':61 'lower':37,46 'mention':70 'might':13 'mode':18 'mosfet':19 'move':42 'much':27,45 'part':43 'probabl':36 'protect':24 'quit':35 're':67 'relay':5,33 'resist':39 'right':68 'seem':87,98 'sinc':94 'solenoid':79 'sort':2 'switch':29,83,91 'tear':74 'thing':105 'think':107 'though':58 'time':30,85 'wear':72" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://voltage.vn/comment/102523" +editedAt: null +createdAt: DateTimeImmutable @1690179478 {#4077 : 2023-07-24 08:17:58.0 +02:00 } } +root: App\Entity\EntryComment {#4073} +body: "Would this be a good use case for an SSR?" +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690388210 {#4517 : 2023-07-26 18:16:50.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@Saigonauticon@voltage.vn" ] +children: Doctrine\ORM\PersistentCollection {#4521 …} +nested: Doctrine\ORM\PersistentCollection {#4523 …} +votes: Doctrine\ORM\PersistentCollection {#4525 …} +reports: Doctrine\ORM\PersistentCollection {#4527 …} +favourites: Doctrine\ORM\PersistentCollection {#4529 …} +notifications: Doctrine\ORM\PersistentCollection {#4531 …} -id: 23654 -bodyTs: "'case':7 'good':5 'ssr':10 'use':6 'would':1" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/1405066" +editedAt: null +createdAt: DateTimeImmutable @1690388210 {#4518 : 2023-07-26 18:16:50.0 +02:00 } } "showNested" => true "level" => 2 "showEntryTitle" => false "showMagazineName" => false ] |
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+name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 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+slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 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"Saigonauticon@voltage.vn" +apProfileId: "https://voltage.vn/u/Saigonauticon" +apPublicUrl: "https://voltage.vn/u/Saigonauticon" +apFollowersUrl: null +apInboxUrl: "https://voltage.vn/inbox" +apDomain: "voltage.vn" +apPreferredUsername: "Saigonauticon" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1709584336 {#4075 : 2024-03-04 21:32:16.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1686890246 {#4068 : 2023-06-16 06:37:26.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ I sort of hate relays. For 12VDC and a light load, I might consider a depletion-mode MOSFET and a diode to protect the battery. Much faster switching time than a relay, and quite probably lower internal resistance! Also no moving parts and much lower current consumption. There are some cases where it’s not appropriate though.\n \n Anyway, I looked through the datasheet and you’re right – no mention of wear and tear from just leaving the solenoid energized, only from switching. Failure time also seems to increase when switching high currents. Since you don’t seem to be doing either of those things, I think you should be in the clear. """ +lang: "en" +isAdult: false +favouriteCount: 3 +score: 0 +lastActive: DateTime @1690444650 {#4079 : 2023-07-27 09:57:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4071 …} +nested: Doctrine\ORM\PersistentCollection {#4069 …} +votes: Doctrine\ORM\PersistentCollection {#4067 …} +reports: Doctrine\ORM\PersistentCollection {#4064 …} +favourites: Doctrine\ORM\PersistentCollection {#4060 …} +notifications: Doctrine\ORM\PersistentCollection {#4058 …} -id: 23291 -bodyTs: "'12vdc':7 'also':40,86 'anyway':59 'appropri':57 'batteri':26 'case':52 'clear':113 'consid':14 'consumpt':48 'current':47,93 'datasheet':64 'deplet':17 'depletion-mod':16 'diod':22 'either':102 'energ':80 'failur':84 'faster':28 'hate':4 'high':92 'increas':89 'intern':38 'leav':77 'light':10 'load':11 'look':61 'lower':37,46 'mention':70 'might':13 'mode':18 'mosfet':19 'move':42 'much':27,45 'part':43 'probabl':36 'protect':24 'quit':35 're':67 'relay':5,33 'resist':39 'right':68 'seem':87,98 'sinc':94 'solenoid':79 'sort':2 'switch':29,83,91 'tear':74 'thing':105 'think':107 'though':58 'time':30,85 'wear':72" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://voltage.vn/comment/102523" +editedAt: null +createdAt: DateTimeImmutable @1690179478 {#4077 : 2023-07-24 08:17:58.0 +02:00 } } +root: App\Entity\EntryComment {#4073} +body: "Would this be a good use case for an SSR?" +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690388210 {#4517 : 2023-07-26 18:16:50.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@Saigonauticon@voltage.vn" ] +children: Doctrine\ORM\PersistentCollection {#4521 …} +nested: Doctrine\ORM\PersistentCollection {#4523 …} +votes: Doctrine\ORM\PersistentCollection {#4525 …} +reports: Doctrine\ORM\PersistentCollection {#4527 …} +favourites: Doctrine\ORM\PersistentCollection {#4529 …} +notifications: Doctrine\ORM\PersistentCollection {#4531 …} -id: 23654 -bodyTs: "'case':7 'good':5 'ssr':10 'use':6 'would':1" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/1405066" +editedAt: null +createdAt: DateTimeImmutable @1690388210 {#4518 : 2023-07-26 18:16:50.0 +02:00 } } +showMagazineName: false +showEntryTitle: false +showNested: true +level: 2 +canSeeTrash: false +dateAsUrl: false -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} -authorizationChecker: Symfony\Component\Security\Core\Authorization\AuthorizationChecker {#931 …} } |
user_inline | App\Twig\Components\UserInlineComponent | 12.0 MiB | 4.30 ms | |
---|---|---|---|---|
Input props | [ "user" => Proxies\__CG__\App\Entity\User {#4520 +avatar: null +cover: null +email: "tufelkinder@discuss.tchncs.de" +username: "@tufelkinder@discuss.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1690388212 {#6018 : 2023-07-26 18:16:52.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#6023 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#6026 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#6028 …} +entries: Doctrine\ORM\PersistentCollection {#6030 …} +entryVotes: Doctrine\ORM\PersistentCollection {#6032 …} +entryComments: Doctrine\ORM\PersistentCollection {#6034 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#6036 …} +posts: Doctrine\ORM\PersistentCollection {#6038 …} +postVotes: Doctrine\ORM\PersistentCollection {#6040 …} +postComments: Doctrine\ORM\PersistentCollection {#6042 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#6044 …} +subscriptions: Doctrine\ORM\PersistentCollection {#6046 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#6048 …} +follows: Doctrine\ORM\PersistentCollection {#6050 …} +followers: Doctrine\ORM\PersistentCollection {#6052 …} +blocks: Doctrine\ORM\PersistentCollection {#6054 …} +blockers: Doctrine\ORM\PersistentCollection {#6056 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#6058 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#6060 …} +reports: Doctrine\ORM\PersistentCollection {#6062 …} +favourites: Doctrine\ORM\PersistentCollection {#6064 …} +violations: Doctrine\ORM\PersistentCollection {#6066 …} +notifications: Doctrine\ORM\PersistentCollection {#6068 …} +awards: Doctrine\ORM\PersistentCollection {#6070 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#6072 …} +categories: Doctrine\ORM\PersistentCollection {#6074 …} -id: 13228 -password: "$2y$13$1yr2QXIIQNuBVURfyTcEfuxDfbg3thSkDwqaQmJ/cW5awAvrVy8PG" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#6076 …} +apId: "tufelkinder@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/tufelkinder" +apPublicUrl: "https://discuss.tchncs.de/u/tufelkinder" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "tufelkinder" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1690388117 {#6015 : 2023-07-26 18:15:17.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1688138140 {#6017 : 2023-06-30 17:15:40.0 +02:00 } +__isInitialized__: true …2 } "showAvatar" => false ] |
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Attributes | [] |
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Component | App\Twig\Components\UserInlineComponent {#5978 +user: Proxies\__CG__\App\Entity\User {#4520 +avatar: null +cover: null +email: "tufelkinder@discuss.tchncs.de" +username: "@tufelkinder@discuss.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1690388212 {#6018 : 2023-07-26 18:16:52.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#6023 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#6026 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#6028 …} +entries: Doctrine\ORM\PersistentCollection {#6030 …} +entryVotes: Doctrine\ORM\PersistentCollection {#6032 …} +entryComments: Doctrine\ORM\PersistentCollection {#6034 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#6036 …} +posts: Doctrine\ORM\PersistentCollection {#6038 …} +postVotes: Doctrine\ORM\PersistentCollection {#6040 …} +postComments: Doctrine\ORM\PersistentCollection {#6042 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#6044 …} +subscriptions: Doctrine\ORM\PersistentCollection {#6046 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#6048 …} +follows: Doctrine\ORM\PersistentCollection {#6050 …} +followers: Doctrine\ORM\PersistentCollection {#6052 …} +blocks: Doctrine\ORM\PersistentCollection {#6054 …} +blockers: Doctrine\ORM\PersistentCollection {#6056 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#6058 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#6060 …} +reports: Doctrine\ORM\PersistentCollection {#6062 …} +favourites: Doctrine\ORM\PersistentCollection {#6064 …} +violations: Doctrine\ORM\PersistentCollection {#6066 …} +notifications: Doctrine\ORM\PersistentCollection {#6068 …} +awards: Doctrine\ORM\PersistentCollection {#6070 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#6072 …} +categories: Doctrine\ORM\PersistentCollection {#6074 …} -id: 13228 -password: "$2y$13$1yr2QXIIQNuBVURfyTcEfuxDfbg3thSkDwqaQmJ/cW5awAvrVy8PG" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#6076 …} +apId: "tufelkinder@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/tufelkinder" +apPublicUrl: "https://discuss.tchncs.de/u/tufelkinder" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "tufelkinder" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1690388117 {#6015 : 2023-07-26 18:15:17.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1688138140 {#6017 : 2023-06-30 17:15:40.0 +02:00 } +__isInitialized__: true …2 } +showAvatar: false } |
date | App\Twig\Components\DateComponent | 12.0 MiB | 0.18 ms | |
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Input props | [ "date" => DateTimeImmutable @1690388210 {#4518 : 2023-07-26 18:16:50.0 +02:00 } ] |
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Attributes | [] |
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Component | App\Twig\Components\DateComponent {#6096 +date: DateTimeImmutable @1690388210 {#4518 : 2023-07-26 18:16:50.0 +02:00 } } |
date_edited | App\Twig\Components\DateEditedComponent | 12.0 MiB | 0.12 ms | |
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Input props | [ "createdAt" => DateTimeImmutable @1690388210 {#4518 : 2023-07-26 18:16:50.0 +02:00 } "editedAt" => null ] |
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Attributes | [] |
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Component | App\Twig\Components\DateEditedComponent {#6150 +createdAt: DateTimeImmutable @1690388210 {#4518 : 2023-07-26 18:16:50.0 +02:00 } +editedAt: null } |
user_avatar | App\Twig\Components\UserAvatarComponent | 12.0 MiB | 0.21 ms | |
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Input props | [ "user" => Proxies\__CG__\App\Entity\User {#4520 +avatar: null +cover: null +email: "tufelkinder@discuss.tchncs.de" +username: "@tufelkinder@discuss.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1690388212 {#6018 : 2023-07-26 18:16:52.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#6023 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#6026 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#6028 …} +entries: Doctrine\ORM\PersistentCollection {#6030 …} +entryVotes: Doctrine\ORM\PersistentCollection {#6032 …} +entryComments: Doctrine\ORM\PersistentCollection {#6034 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#6036 …} +posts: Doctrine\ORM\PersistentCollection {#6038 …} +postVotes: Doctrine\ORM\PersistentCollection {#6040 …} +postComments: Doctrine\ORM\PersistentCollection {#6042 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#6044 …} +subscriptions: Doctrine\ORM\PersistentCollection {#6046 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#6048 …} +follows: Doctrine\ORM\PersistentCollection {#6050 …} +followers: Doctrine\ORM\PersistentCollection {#6052 …} +blocks: Doctrine\ORM\PersistentCollection {#6054 …} +blockers: Doctrine\ORM\PersistentCollection {#6056 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#6058 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#6060 …} +reports: Doctrine\ORM\PersistentCollection {#6062 …} +favourites: Doctrine\ORM\PersistentCollection {#6064 …} +violations: Doctrine\ORM\PersistentCollection {#6066 …} +notifications: Doctrine\ORM\PersistentCollection {#6068 …} +awards: Doctrine\ORM\PersistentCollection {#6070 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#6072 …} +categories: Doctrine\ORM\PersistentCollection {#6074 …} -id: 13228 -password: "$2y$13$1yr2QXIIQNuBVURfyTcEfuxDfbg3thSkDwqaQmJ/cW5awAvrVy8PG" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#6076 …} +apId: "tufelkinder@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/tufelkinder" +apPublicUrl: "https://discuss.tchncs.de/u/tufelkinder" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "tufelkinder" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1690388117 {#6015 : 2023-07-26 18:15:17.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1688138140 {#6017 : 2023-06-30 17:15:40.0 +02:00 } +__isInitialized__: true …2 } "width" => 40 "height" => 40 "asLink" => true ] |
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Attributes | [] |
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Component | App\Twig\Components\UserAvatarComponent {#6204 +width: 40 +height: 40 +user: Proxies\__CG__\App\Entity\User {#4520 +avatar: null +cover: null +email: "tufelkinder@discuss.tchncs.de" +username: "@tufelkinder@discuss.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1690388212 {#6018 : 2023-07-26 18:16:52.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#6023 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#6026 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#6028 …} +entries: Doctrine\ORM\PersistentCollection {#6030 …} +entryVotes: Doctrine\ORM\PersistentCollection {#6032 …} +entryComments: Doctrine\ORM\PersistentCollection {#6034 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#6036 …} +posts: Doctrine\ORM\PersistentCollection {#6038 …} +postVotes: Doctrine\ORM\PersistentCollection {#6040 …} +postComments: Doctrine\ORM\PersistentCollection {#6042 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#6044 …} +subscriptions: Doctrine\ORM\PersistentCollection {#6046 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#6048 …} +follows: Doctrine\ORM\PersistentCollection {#6050 …} +followers: Doctrine\ORM\PersistentCollection {#6052 …} +blocks: Doctrine\ORM\PersistentCollection {#6054 …} +blockers: Doctrine\ORM\PersistentCollection {#6056 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#6058 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#6060 …} +reports: Doctrine\ORM\PersistentCollection {#6062 …} +favourites: Doctrine\ORM\PersistentCollection {#6064 …} +violations: Doctrine\ORM\PersistentCollection {#6066 …} +notifications: Doctrine\ORM\PersistentCollection {#6068 …} +awards: Doctrine\ORM\PersistentCollection {#6070 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#6072 …} +categories: Doctrine\ORM\PersistentCollection {#6074 …} -id: 13228 -password: "$2y$13$1yr2QXIIQNuBVURfyTcEfuxDfbg3thSkDwqaQmJ/cW5awAvrVy8PG" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#6076 …} +apId: "tufelkinder@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/tufelkinder" +apPublicUrl: "https://discuss.tchncs.de/u/tufelkinder" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "tufelkinder" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1690388117 {#6015 : 2023-07-26 18:15:17.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1688138140 {#6017 : 2023-06-30 17:15:40.0 +02:00 } +__isInitialized__: true …2 } +asLink: true } |
vote | App\Twig\Components\VoteComponent | 12.0 MiB | 0.54 ms | |
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Input props | [ "subject" => App\Entity\EntryComment {#4519 +user: Proxies\__CG__\App\Entity\User {#4520 +avatar: null +cover: null +email: "tufelkinder@discuss.tchncs.de" +username: "@tufelkinder@discuss.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1690388212 {#6018 : 2023-07-26 18:16:52.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#6023 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#6026 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#6028 …} +entries: Doctrine\ORM\PersistentCollection {#6030 …} +entryVotes: Doctrine\ORM\PersistentCollection {#6032 …} +entryComments: Doctrine\ORM\PersistentCollection {#6034 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#6036 …} +posts: Doctrine\ORM\PersistentCollection {#6038 …} +postVotes: Doctrine\ORM\PersistentCollection {#6040 …} +postComments: Doctrine\ORM\PersistentCollection {#6042 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#6044 …} +subscriptions: Doctrine\ORM\PersistentCollection {#6046 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#6048 …} +follows: Doctrine\ORM\PersistentCollection {#6050 …} +followers: Doctrine\ORM\PersistentCollection {#6052 …} +blocks: Doctrine\ORM\PersistentCollection {#6054 …} +blockers: Doctrine\ORM\PersistentCollection {#6056 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#6058 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#6060 …} +reports: Doctrine\ORM\PersistentCollection {#6062 …} +favourites: Doctrine\ORM\PersistentCollection {#6064 …} +violations: Doctrine\ORM\PersistentCollection {#6066 …} +notifications: Doctrine\ORM\PersistentCollection {#6068 …} +awards: Doctrine\ORM\PersistentCollection {#6070 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#6072 …} +categories: Doctrine\ORM\PersistentCollection {#6074 …} -id: 13228 -password: "$2y$13$1yr2QXIIQNuBVURfyTcEfuxDfbg3thSkDwqaQmJ/cW5awAvrVy8PG" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#6076 …} +apId: "tufelkinder@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/tufelkinder" +apPublicUrl: "https://discuss.tchncs.de/u/tufelkinder" +apFollowersUrl: null 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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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For 12VDC and a light load, I might consider a depletion-mode MOSFET and a diode to protect the battery. Much faster switching time than a relay, and quite probably lower internal resistance! Also no moving parts and much lower current consumption. There are some cases where it’s not appropriate though.\n \n Anyway, I looked through the datasheet and you’re right – no mention of wear and tear from just leaving the solenoid energized, only from switching. Failure time also seems to increase when switching high currents. Since you don’t seem to be doing either of those things, I think you should be in the clear. 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+slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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For 12VDC and a light load, I might consider a depletion-mode MOSFET and a diode to protect the battery. Much faster switching time than a relay, and quite probably lower internal resistance! Also no moving parts and much lower current consumption. There are some cases where it’s not appropriate though.\n \n Anyway, I looked through the datasheet and you’re right – no mention of wear and tear from just leaving the solenoid energized, only from switching. Failure time also seems to increase when switching high currents. Since you don’t seem to be doing either of those things, I think you should be in the clear. 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"Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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"Saigonauticon@voltage.vn" +apProfileId: "https://voltage.vn/u/Saigonauticon" +apPublicUrl: "https://voltage.vn/u/Saigonauticon" +apFollowersUrl: null +apInboxUrl: "https://voltage.vn/inbox" +apDomain: "voltage.vn" +apPreferredUsername: "Saigonauticon" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1709584336 {#4075 : 2024-03-04 21:32:16.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1686890246 {#4068 : 2023-06-16 06:37:26.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ I sort of hate relays. For 12VDC and a light load, I might consider a depletion-mode MOSFET and a diode to protect the battery. Much faster switching time than a relay, and quite probably lower internal resistance! Also no moving parts and much lower current consumption. There are some cases where it’s not appropriate though.\n \n Anyway, I looked through the datasheet and you’re right – no mention of wear and tear from just leaving the solenoid energized, only from switching. Failure time also seems to increase when switching high currents. Since you don’t seem to be doing either of those things, I think you should be in the clear. 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+slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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For 12VDC and a light load, I might consider a depletion-mode MOSFET and a diode to protect the battery. Much faster switching time than a relay, and quite probably lower internal resistance! Also no moving parts and much lower current consumption. There are some cases where it’s not appropriate though.\n \n Anyway, I looked through the datasheet and you’re right – no mention of wear and tear from just leaving the solenoid energized, only from switching. Failure time also seems to increase when switching high currents. Since you don’t seem to be doing either of those things, I think you should be in the clear. """ +lang: "en" +isAdult: false +favouriteCount: 3 +score: 0 +lastActive: DateTime @1690444650 {#4079 : 2023-07-27 09:57:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4071 …} +nested: Doctrine\ORM\PersistentCollection {#4069 …} +votes: Doctrine\ORM\PersistentCollection {#4067 …} +reports: Doctrine\ORM\PersistentCollection {#4064 …} +favourites: Doctrine\ORM\PersistentCollection {#4060 …} +notifications: Doctrine\ORM\PersistentCollection {#4058 …} -id: 23291 -bodyTs: "'12vdc':7 'also':40,86 'anyway':59 'appropri':57 'batteri':26 'case':52 'clear':113 'consid':14 'consumpt':48 'current':47,93 'datasheet':64 'deplet':17 'depletion-mod':16 'diod':22 'either':102 'energ':80 'failur':84 'faster':28 'hate':4 'high':92 'increas':89 'intern':38 'leav':77 'light':10 'load':11 'look':61 'lower':37,46 'mention':70 'might':13 'mode':18 'mosfet':19 'move':42 'much':27,45 'part':43 'probabl':36 'protect':24 'quit':35 're':67 'relay':5,33 'resist':39 'right':68 'seem':87,98 'sinc':94 'solenoid':79 'sort':2 'switch':29,83,91 'tear':74 'thing':105 'think':107 'though':58 'time':30,85 'wear':72" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://voltage.vn/comment/102523" +editedAt: null +createdAt: DateTimeImmutable @1690179478 {#4077 : 2023-07-24 08:17:58.0 +02:00 } } +root: App\Entity\EntryComment {#4073} +body: "Would this be a good use case for an SSR?" +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690388210 {#4517 : 2023-07-26 18:16:50.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@Saigonauticon@voltage.vn" ] +children: Doctrine\ORM\PersistentCollection {#4521 …} +nested: Doctrine\ORM\PersistentCollection {#4523 …} +votes: Doctrine\ORM\PersistentCollection {#4525 …} +reports: Doctrine\ORM\PersistentCollection {#4527 …} +favourites: Doctrine\ORM\PersistentCollection {#4529 …} +notifications: Doctrine\ORM\PersistentCollection {#4531 …} -id: 23654 -bodyTs: "'case':7 'good':5 'ssr':10 'use':6 'would':1" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/1405066" +editedAt: null +createdAt: DateTimeImmutable @1690388210 {#4518 : 2023-07-26 18:16:50.0 +02:00 } } -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} } |
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+description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: 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"Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 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"Saigonauticon@voltage.vn" +apProfileId: "https://voltage.vn/u/Saigonauticon" +apPublicUrl: "https://voltage.vn/u/Saigonauticon" +apFollowersUrl: null +apInboxUrl: "https://voltage.vn/inbox" +apDomain: "voltage.vn" +apPreferredUsername: "Saigonauticon" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1709584336 {#4075 : 2024-03-04 21:32:16.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1686890246 {#4068 : 2023-06-16 06:37:26.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ I sort of hate relays. For 12VDC and a light load, I might consider a depletion-mode MOSFET and a diode to protect the battery. Much faster switching time than a relay, and quite probably lower internal resistance! Also no moving parts and much lower current consumption. There are some cases where it’s not appropriate though.\n \n Anyway, I looked through the datasheet and you’re right – no mention of wear and tear from just leaving the solenoid energized, only from switching. Failure time also seems to increase when switching high currents. Since you don’t seem to be doing either of those things, I think you should be in the clear. """ +lang: "en" +isAdult: false +favouriteCount: 3 +score: 0 +lastActive: DateTime @1690444650 {#4079 : 2023-07-27 09:57:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4071 …} +nested: Doctrine\ORM\PersistentCollection {#4069 …} +votes: Doctrine\ORM\PersistentCollection {#4067 …} +reports: Doctrine\ORM\PersistentCollection {#4064 …} +favourites: Doctrine\ORM\PersistentCollection {#4060 …} +notifications: Doctrine\ORM\PersistentCollection {#4058 …} -id: 23291 -bodyTs: "'12vdc':7 'also':40,86 'anyway':59 'appropri':57 'batteri':26 'case':52 'clear':113 'consid':14 'consumpt':48 'current':47,93 'datasheet':64 'deplet':17 'depletion-mod':16 'diod':22 'either':102 'energ':80 'failur':84 'faster':28 'hate':4 'high':92 'increas':89 'intern':38 'leav':77 'light':10 'load':11 'look':61 'lower':37,46 'mention':70 'might':13 'mode':18 'mosfet':19 'move':42 'much':27,45 'part':43 'probabl':36 'protect':24 'quit':35 're':67 'relay':5,33 'resist':39 'right':68 'seem':87,98 'sinc':94 'solenoid':79 'sort':2 'switch':29,83,91 'tear':74 'thing':105 'think':107 'though':58 'time':30,85 'wear':72" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://voltage.vn/comment/102523" +editedAt: null +createdAt: DateTimeImmutable @1690179478 {#4077 : 2023-07-24 08:17:58.0 +02:00 } } +root: App\Entity\EntryComment {#4073} +body: "Would this be a good use case for an SSR?" +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690388210 {#4517 : 2023-07-26 18:16:50.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@Saigonauticon@voltage.vn" ] +children: Doctrine\ORM\PersistentCollection {#4521 …} +nested: Doctrine\ORM\PersistentCollection {#4523 …} +votes: Doctrine\ORM\PersistentCollection {#4525 …} +reports: Doctrine\ORM\PersistentCollection {#4527 …} +favourites: Doctrine\ORM\PersistentCollection {#4529 …} +notifications: Doctrine\ORM\PersistentCollection {#4531 …} -id: 23654 -bodyTs: "'case':7 'good':5 'ssr':10 'use':6 'would':1" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/1405066" +editedAt: null +createdAt: DateTimeImmutable @1690388210 {#4518 : 2023-07-26 18:16:50.0 +02:00 } } "level" => 2 "showNested" => true "view" => "tree" ] |
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+name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 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+slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 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"Saigonauticon@voltage.vn" +apProfileId: "https://voltage.vn/u/Saigonauticon" +apPublicUrl: "https://voltage.vn/u/Saigonauticon" +apFollowersUrl: null +apInboxUrl: "https://voltage.vn/inbox" +apDomain: "voltage.vn" +apPreferredUsername: "Saigonauticon" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1709584336 {#4075 : 2024-03-04 21:32:16.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1686890246 {#4068 : 2023-06-16 06:37:26.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ I sort of hate relays. For 12VDC and a light load, I might consider a depletion-mode MOSFET and a diode to protect the battery. Much faster switching time than a relay, and quite probably lower internal resistance! Also no moving parts and much lower current consumption. There are some cases where it’s not appropriate though.\n \n Anyway, I looked through the datasheet and you’re right – no mention of wear and tear from just leaving the solenoid energized, only from switching. Failure time also seems to increase when switching high currents. Since you don’t seem to be doing either of those things, I think you should be in the clear. """ +lang: "en" +isAdult: false +favouriteCount: 3 +score: 0 +lastActive: DateTime @1690444650 {#4079 : 2023-07-27 09:57:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4071 …} +nested: Doctrine\ORM\PersistentCollection {#4069 …} +votes: Doctrine\ORM\PersistentCollection {#4067 …} +reports: Doctrine\ORM\PersistentCollection {#4064 …} +favourites: Doctrine\ORM\PersistentCollection {#4060 …} +notifications: Doctrine\ORM\PersistentCollection {#4058 …} -id: 23291 -bodyTs: "'12vdc':7 'also':40,86 'anyway':59 'appropri':57 'batteri':26 'case':52 'clear':113 'consid':14 'consumpt':48 'current':47,93 'datasheet':64 'deplet':17 'depletion-mod':16 'diod':22 'either':102 'energ':80 'failur':84 'faster':28 'hate':4 'high':92 'increas':89 'intern':38 'leav':77 'light':10 'load':11 'look':61 'lower':37,46 'mention':70 'might':13 'mode':18 'mosfet':19 'move':42 'much':27,45 'part':43 'probabl':36 'protect':24 'quit':35 're':67 'relay':5,33 'resist':39 'right':68 'seem':87,98 'sinc':94 'solenoid':79 'sort':2 'switch':29,83,91 'tear':74 'thing':105 'think':107 'though':58 'time':30,85 'wear':72" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://voltage.vn/comment/102523" +editedAt: null +createdAt: DateTimeImmutable @1690179478 {#4077 : 2023-07-24 08:17:58.0 +02:00 } } +root: App\Entity\EntryComment {#4073} +body: "Would this be a good use case for an SSR?" +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690388210 {#4517 : 2023-07-26 18:16:50.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@Saigonauticon@voltage.vn" ] +children: Doctrine\ORM\PersistentCollection {#4521 …} +nested: Doctrine\ORM\PersistentCollection {#4523 …} +votes: Doctrine\ORM\PersistentCollection {#4525 …} +reports: Doctrine\ORM\PersistentCollection {#4527 …} +favourites: Doctrine\ORM\PersistentCollection {#4529 …} +notifications: Doctrine\ORM\PersistentCollection {#4531 …} -id: 23654 -bodyTs: "'case':7 'good':5 'ssr':10 'use':6 'would':1" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/1405066" +editedAt: null +createdAt: DateTimeImmutable @1690388210 {#4518 : 2023-07-26 18:16:50.0 +02:00 } } +nestedComments: [] +level: 2 +view: "tree" -entryCommentRepository: App\Repository\EntryCommentRepository {#558 …} -twig: Twig\Environment {#1252 …} -security: Symfony\Bundle\SecurityBundle\Security {#1101 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} } |
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circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: 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+url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: 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false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#6023 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#6026 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#6028 …} +entries: Doctrine\ORM\PersistentCollection {#6030 …} +entryVotes: Doctrine\ORM\PersistentCollection {#6032 …} +entryComments: Doctrine\ORM\PersistentCollection {#6034 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#6036 …} +posts: Doctrine\ORM\PersistentCollection {#6038 …} +postVotes: Doctrine\ORM\PersistentCollection {#6040 …} +postComments: Doctrine\ORM\PersistentCollection {#6042 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#6044 …} +subscriptions: Doctrine\ORM\PersistentCollection {#6046 …} 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+apId: "tufelkinder@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/tufelkinder" +apPublicUrl: "https://discuss.tchncs.de/u/tufelkinder" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "tufelkinder" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1690388117 {#6015 : 2023-07-26 18:15:17.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1688138140 {#6017 : 2023-06-30 17:15:40.0 +02:00 } +__isInitialized__: true …2 } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4073 +user: App\Entity\User {#4056} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ I sort of hate relays. For 12VDC and a light load, I might consider a depletion-mode MOSFET and a diode to protect the battery. Much faster switching time than a relay, and quite probably lower internal resistance! Also no moving parts and much lower current consumption. There are some cases where it’s not appropriate though.\n \n Anyway, I looked through the datasheet and you’re right – no mention of wear and tear from just leaving the solenoid energized, only from switching. Failure time also seems to increase when switching high currents. Since you don’t seem to be doing either of those things, I think you should be in the clear. """ +lang: "en" +isAdult: false +favouriteCount: 3 +score: 0 +lastActive: DateTime @1690444650 {#4079 : 2023-07-27 09:57:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4071 …} +nested: Doctrine\ORM\PersistentCollection {#4069 …} +votes: Doctrine\ORM\PersistentCollection {#4067 …} +reports: Doctrine\ORM\PersistentCollection {#4064 …} +favourites: Doctrine\ORM\PersistentCollection {#4060 …} +notifications: Doctrine\ORM\PersistentCollection {#4058 …} -id: 23291 -bodyTs: "'12vdc':7 'also':40,86 'anyway':59 'appropri':57 'batteri':26 'case':52 'clear':113 'consid':14 'consumpt':48 'current':47,93 'datasheet':64 'deplet':17 'depletion-mod':16 'diod':22 'either':102 'energ':80 'failur':84 'faster':28 'hate':4 'high':92 'increas':89 'intern':38 'leav':77 'light':10 'load':11 'look':61 'lower':37,46 'mention':70 'might':13 'mode':18 'mosfet':19 'move':42 'much':27,45 'part':43 'probabl':36 'protect':24 'quit':35 're':67 'relay':5,33 'resist':39 'right':68 'seem':87,98 'sinc':94 'solenoid':79 'sort':2 'switch':29,83,91 'tear':74 'thing':105 'think':107 'though':58 'time':30,85 'wear':72" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://voltage.vn/comment/102523" +editedAt: null +createdAt: DateTimeImmutable @1690179478 {#4077 : 2023-07-24 08:17:58.0 +02:00 } } +root: App\Entity\EntryComment {#4073} +body: "Would this be a good use case for an SSR?" +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690388210 {#4517 : 2023-07-26 18:16:50.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@Saigonauticon@voltage.vn" ] +children: Doctrine\ORM\PersistentCollection {#4521 …} +nested: Doctrine\ORM\PersistentCollection {#4523 …} +votes: Doctrine\ORM\PersistentCollection {#4525 …} +reports: Doctrine\ORM\PersistentCollection {#4527 …} +favourites: Doctrine\ORM\PersistentCollection {#4529 …} +notifications: Doctrine\ORM\PersistentCollection {#4531 …} -id: 23654 -bodyTs: "'case':7 'good':5 'ssr':10 'use':6 'would':1" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/1405066" +editedAt: null +createdAt: DateTimeImmutable @1690388210 {#4518 : 2023-07-26 18:16:50.0 +02:00 } } +root: App\Entity\EntryComment {#4073} +body: """ I was thinking about that, but if they are using 12VDC + light load a MOSFET would be more cost and space efficient, and probably more electrically efficient too. No real voltage drop, and just a few milliohms added to the load.\n \n I mainly use SSRs to switch mains power, although it’s true they can be used for other things too. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690444644 {#4571 : 2023-07-27 09:57:24.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@Saigonauticon@voltage.vn" "@tufelkinder@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4574 …} +nested: Doctrine\ORM\PersistentCollection {#4576 …} +votes: Doctrine\ORM\PersistentCollection {#4578 …} +reports: Doctrine\ORM\PersistentCollection {#4580 …} +favourites: Doctrine\ORM\PersistentCollection {#4582 …} +notifications: Doctrine\ORM\PersistentCollection {#4584 …} -id: 23790 -bodyTs: "'12vdc':11 'ad':38 'although':50 'cost':19 'drop':32 'effici':22,27 'electr':26 'light':12 'load':13,41 'main':43,48 'milliohm':37 'mosfet':15 'power':49 'probabl':24 'real':30 'space':21 'ssrs':45 'switch':47 'thing':60 'think':3 'true':53 'use':10,44,57 'voltag':31 'would':16" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://voltage.vn/comment/109780" +editedAt: null +createdAt: DateTimeImmutable @1690444644 {#4572 : 2023-07-27 09:57:24.0 +02:00 } } "showNested" => true "level" => 3 "showEntryTitle" => false "showMagazineName" => false ] |
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**For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: 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"Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 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+apId: "tufelkinder@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/tufelkinder" +apPublicUrl: "https://discuss.tchncs.de/u/tufelkinder" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "tufelkinder" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1690388117 {#6015 : 2023-07-26 18:15:17.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1688138140 {#6017 : 2023-06-30 17:15:40.0 +02:00 } +__isInitialized__: true …2 } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4073 +user: App\Entity\User {#4056} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ I sort of hate relays. For 12VDC and a light load, I might consider a depletion-mode MOSFET and a diode to protect the battery. Much faster switching time than a relay, and quite probably lower internal resistance! Also no moving parts and much lower current consumption. There are some cases where it’s not appropriate though.\n \n Anyway, I looked through the datasheet and you’re right – no mention of wear and tear from just leaving the solenoid energized, only from switching. Failure time also seems to increase when switching high currents. Since you don’t seem to be doing either of those things, I think you should be in the clear. """ +lang: "en" +isAdult: false +favouriteCount: 3 +score: 0 +lastActive: DateTime @1690444650 {#4079 : 2023-07-27 09:57:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4071 …} +nested: Doctrine\ORM\PersistentCollection {#4069 …} +votes: Doctrine\ORM\PersistentCollection {#4067 …} +reports: Doctrine\ORM\PersistentCollection {#4064 …} +favourites: Doctrine\ORM\PersistentCollection {#4060 …} +notifications: Doctrine\ORM\PersistentCollection {#4058 …} -id: 23291 -bodyTs: "'12vdc':7 'also':40,86 'anyway':59 'appropri':57 'batteri':26 'case':52 'clear':113 'consid':14 'consumpt':48 'current':47,93 'datasheet':64 'deplet':17 'depletion-mod':16 'diod':22 'either':102 'energ':80 'failur':84 'faster':28 'hate':4 'high':92 'increas':89 'intern':38 'leav':77 'light':10 'load':11 'look':61 'lower':37,46 'mention':70 'might':13 'mode':18 'mosfet':19 'move':42 'much':27,45 'part':43 'probabl':36 'protect':24 'quit':35 're':67 'relay':5,33 'resist':39 'right':68 'seem':87,98 'sinc':94 'solenoid':79 'sort':2 'switch':29,83,91 'tear':74 'thing':105 'think':107 'though':58 'time':30,85 'wear':72" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://voltage.vn/comment/102523" +editedAt: null +createdAt: DateTimeImmutable @1690179478 {#4077 : 2023-07-24 08:17:58.0 +02:00 } } +root: App\Entity\EntryComment {#4073} +body: "Would this be a good use case for an SSR?" +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690388210 {#4517 : 2023-07-26 18:16:50.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@Saigonauticon@voltage.vn" ] +children: Doctrine\ORM\PersistentCollection {#4521 …} +nested: Doctrine\ORM\PersistentCollection {#4523 …} +votes: Doctrine\ORM\PersistentCollection {#4525 …} +reports: Doctrine\ORM\PersistentCollection {#4527 …} +favourites: Doctrine\ORM\PersistentCollection {#4529 …} +notifications: Doctrine\ORM\PersistentCollection {#4531 …} -id: 23654 -bodyTs: "'case':7 'good':5 'ssr':10 'use':6 'would':1" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/1405066" +editedAt: null +createdAt: DateTimeImmutable @1690388210 {#4518 : 2023-07-26 18:16:50.0 +02:00 } } +root: App\Entity\EntryComment {#4073} +body: """ I was thinking about that, but if they are using 12VDC + light load a MOSFET would be more cost and space efficient, and probably more electrically efficient too. No real voltage drop, and just a few milliohms added to the load.\n \n I mainly use SSRs to switch mains power, although it’s true they can be used for other things too. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690444644 {#4571 : 2023-07-27 09:57:24.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@Saigonauticon@voltage.vn" "@tufelkinder@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4574 …} +nested: Doctrine\ORM\PersistentCollection {#4576 …} +votes: Doctrine\ORM\PersistentCollection {#4578 …} +reports: Doctrine\ORM\PersistentCollection {#4580 …} +favourites: Doctrine\ORM\PersistentCollection {#4582 …} +notifications: Doctrine\ORM\PersistentCollection {#4584 …} -id: 23790 -bodyTs: "'12vdc':11 'ad':38 'although':50 'cost':19 'drop':32 'effici':22,27 'electr':26 'light':12 'load':13,41 'main':43,48 'milliohm':37 'mosfet':15 'power':49 'probabl':24 'real':30 'space':21 'ssrs':45 'switch':47 'thing':60 'think':3 'true':53 'use':10,44,57 'voltag':31 'would':16" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://voltage.vn/comment/109780" +editedAt: null +createdAt: DateTimeImmutable @1690444644 {#4572 : 2023-07-27 09:57:24.0 +02:00 } } +showMagazineName: false +showEntryTitle: false +showNested: true +level: 3 +canSeeTrash: false +dateAsUrl: false -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} -authorizationChecker: Symfony\Component\Security\Core\Authorization\AuthorizationChecker {#931 …} } |
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Component | App\Twig\Components\UserInlineComponent {#6670 +user: App\Entity\User {#4056 +avatar: null +cover: null +email: "Saigonauticon@voltage.vn" +username: "@Saigonauticon@voltage.vn" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1703981706 {#4078 : 2023-12-31 01:15:06.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4055 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4053 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4051 …} +entries: Doctrine\ORM\PersistentCollection {#4049 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4047 …} +entryComments: Doctrine\ORM\PersistentCollection {#4106 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4107 …} +posts: Doctrine\ORM\PersistentCollection {#4109 …} +postVotes: Doctrine\ORM\PersistentCollection {#4111 …} +postComments: Doctrine\ORM\PersistentCollection {#4113 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4115 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4117 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4119 …} +follows: Doctrine\ORM\PersistentCollection {#4121 …} +followers: Doctrine\ORM\PersistentCollection {#4123 …} +blocks: Doctrine\ORM\PersistentCollection {#4125 …} +blockers: Doctrine\ORM\PersistentCollection {#4127 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4129 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4131 …} +reports: Doctrine\ORM\PersistentCollection {#4133 …} +favourites: Doctrine\ORM\PersistentCollection {#4135 …} +violations: Doctrine\ORM\PersistentCollection {#4137 …} +notifications: Doctrine\ORM\PersistentCollection {#4139 …} +awards: Doctrine\ORM\PersistentCollection {#4141 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4143 …} +categories: Doctrine\ORM\PersistentCollection {#4145 …} -id: 269 -password: "$2y$13$UYqaD7bZp4O.OwB02SlMIeKWP1aeHwuKf.UMqd1I/0STqvflxyU5K" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4147 …} +apId: "Saigonauticon@voltage.vn" +apProfileId: "https://voltage.vn/u/Saigonauticon" +apPublicUrl: "https://voltage.vn/u/Saigonauticon" +apFollowersUrl: null +apInboxUrl: "https://voltage.vn/inbox" +apDomain: "voltage.vn" +apPreferredUsername: "Saigonauticon" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1709584336 {#4075 : 2024-03-04 21:32:16.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1686890246 {#4068 : 2023-06-16 06:37:26.0 +02:00 } } +showAvatar: false } |
date | App\Twig\Components\DateComponent | 12.0 MiB | 0.13 ms | |
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Input props | [ "date" => DateTimeImmutable @1690444644 {#4572 : 2023-07-27 09:57:24.0 +02:00 } ] |
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Attributes | [] |
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Component | App\Twig\Components\DateComponent {#6725 +date: DateTimeImmutable @1690444644 {#4572 : 2023-07-27 09:57:24.0 +02:00 } } |
date_edited | App\Twig\Components\DateEditedComponent | 12.0 MiB | 0.09 ms | |
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Input props | [ "createdAt" => DateTimeImmutable @1690444644 {#4572 : 2023-07-27 09:57:24.0 +02:00 } "editedAt" => null ] |
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Attributes | [] |
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Component | App\Twig\Components\DateEditedComponent {#6779 +createdAt: DateTimeImmutable @1690444644 {#4572 : 2023-07-27 09:57:24.0 +02:00 } +editedAt: null } |
user_avatar | App\Twig\Components\UserAvatarComponent | 12.0 MiB | 0.19 ms | |
---|---|---|---|---|
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Attributes | [] |
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Component | App\Twig\Components\UserAvatarComponent {#6833 +width: 40 +height: 40 +user: App\Entity\User {#4056 +avatar: null +cover: null +email: "Saigonauticon@voltage.vn" +username: "@Saigonauticon@voltage.vn" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1703981706 {#4078 : 2023-12-31 01:15:06.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4055 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4053 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4051 …} +entries: Doctrine\ORM\PersistentCollection {#4049 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4047 …} +entryComments: Doctrine\ORM\PersistentCollection {#4106 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4107 …} +posts: Doctrine\ORM\PersistentCollection {#4109 …} +postVotes: Doctrine\ORM\PersistentCollection {#4111 …} +postComments: Doctrine\ORM\PersistentCollection {#4113 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4115 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4117 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4119 …} +follows: Doctrine\ORM\PersistentCollection {#4121 …} +followers: Doctrine\ORM\PersistentCollection {#4123 …} +blocks: Doctrine\ORM\PersistentCollection {#4125 …} +blockers: Doctrine\ORM\PersistentCollection {#4127 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4129 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4131 …} +reports: Doctrine\ORM\PersistentCollection {#4133 …} +favourites: Doctrine\ORM\PersistentCollection {#4135 …} +violations: Doctrine\ORM\PersistentCollection {#4137 …} +notifications: Doctrine\ORM\PersistentCollection {#4139 …} +awards: Doctrine\ORM\PersistentCollection {#4141 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4143 …} +categories: Doctrine\ORM\PersistentCollection {#4145 …} -id: 269 -password: "$2y$13$UYqaD7bZp4O.OwB02SlMIeKWP1aeHwuKf.UMqd1I/0STqvflxyU5K" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4147 …} +apId: "Saigonauticon@voltage.vn" +apProfileId: "https://voltage.vn/u/Saigonauticon" +apPublicUrl: "https://voltage.vn/u/Saigonauticon" +apFollowersUrl: null +apInboxUrl: "https://voltage.vn/inbox" +apDomain: "voltage.vn" +apPreferredUsername: "Saigonauticon" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1709584336 {#4075 : 2024-03-04 21:32:16.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1686890246 {#4068 : 2023-06-16 06:37:26.0 +02:00 } } +asLink: true } |
vote | App\Twig\Components\VoteComponent | 12.0 MiB | 0.59 ms | |
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Input props | [ "subject" => App\Entity\EntryComment {#4573 +user: App\Entity\User {#4056 +avatar: null +cover: null +email: "Saigonauticon@voltage.vn" +username: "@Saigonauticon@voltage.vn" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1703981706 {#4078 : 2023-12-31 01:15:06.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4055 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4053 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4051 …} +entries: Doctrine\ORM\PersistentCollection {#4049 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4047 …} +entryComments: Doctrine\ORM\PersistentCollection {#4106 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4107 …} +posts: Doctrine\ORM\PersistentCollection {#4109 …} +postVotes: Doctrine\ORM\PersistentCollection {#4111 …} +postComments: Doctrine\ORM\PersistentCollection {#4113 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4115 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4117 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4119 …} +follows: Doctrine\ORM\PersistentCollection {#4121 …} +followers: Doctrine\ORM\PersistentCollection {#4123 …} +blocks: Doctrine\ORM\PersistentCollection {#4125 …} +blockers: Doctrine\ORM\PersistentCollection {#4127 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4129 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4131 …} +reports: Doctrine\ORM\PersistentCollection {#4133 …} +favourites: Doctrine\ORM\PersistentCollection {#4135 …} +violations: Doctrine\ORM\PersistentCollection {#4137 …} +notifications: Doctrine\ORM\PersistentCollection {#4139 …} +awards: Doctrine\ORM\PersistentCollection {#4141 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4143 …} +categories: Doctrine\ORM\PersistentCollection {#4145 …} -id: 269 -password: "$2y$13$UYqaD7bZp4O.OwB02SlMIeKWP1aeHwuKf.UMqd1I/0STqvflxyU5K" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4147 …} +apId: "Saigonauticon@voltage.vn" +apProfileId: "https://voltage.vn/u/Saigonauticon" +apPublicUrl: "https://voltage.vn/u/Saigonauticon" +apFollowersUrl: null +apInboxUrl: 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+showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#1632 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#1406 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#1713 …} +entries: Doctrine\ORM\PersistentCollection {#1710 …} +entryVotes: Doctrine\ORM\PersistentCollection {#1742 …} +entryComments: Doctrine\ORM\PersistentCollection {#1659 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#1470 …} +posts: Doctrine\ORM\PersistentCollection {#1746 …} +postVotes: Doctrine\ORM\PersistentCollection {#1490 …} +postComments: Doctrine\ORM\PersistentCollection {#1772 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#1622 …} +subscriptions: Doctrine\ORM\PersistentCollection {#1758 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#1450 …} +follows: Doctrine\ORM\PersistentCollection {#1422 …} +followers: Doctrine\ORM\PersistentCollection {#1660 …} +blocks: Doctrine\ORM\PersistentCollection {#1454 …} +blockers: Doctrine\ORM\PersistentCollection {#1425 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#1439 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#1428 …} +reports: Doctrine\ORM\PersistentCollection {#1461 …} +favourites: Doctrine\ORM\PersistentCollection {#1438 …} +violations: Doctrine\ORM\PersistentCollection {#1697 …} +notifications: Doctrine\ORM\PersistentCollection {#1690 …} +awards: Doctrine\ORM\PersistentCollection {#1429 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#1612 …} +categories: Doctrine\ORM\PersistentCollection {#1675 …} -id: 30753 -password: "$2y$13$V.iCe02RTvsCKlk9VR8eyO/XOHNlerws30k4pHsZdtecSqn5repUW" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1668 …} +apId: "trafguy@midwest.social" +apProfileId: "https://midwest.social/u/trafguy" +apPublicUrl: "https://midwest.social/u/trafguy" +apFollowersUrl: null +apInboxUrl: "https://midwest.social/inbox" +apDomain: "midwest.social" +apPreferredUsername: "trafguy" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1705341170 {#1537 : 2024-01-15 18:52:50.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1689652756 {#1515 : 2023-07-18 05:59:16.0 +02:00 } +__isInitialized__: true …2 } +magazine: App\Entity\Magazine {#266 +icon: Proxies\__CG__\App\Entity\Image {#247 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: Doctrine\ORM\PersistentCollection {#72 …} +awards: Doctrine\ORM\PersistentCollection {#61 …} +categories: Doctrine\ORM\PersistentCollection {#1820 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 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For 12VDC and a light load, I might consider a depletion-mode MOSFET and a diode to protect the battery. Much faster switching time than a relay, and quite probably lower internal resistance! Also no moving parts and much lower current consumption. There are some cases where it’s not appropriate though.\n \n Anyway, I looked through the datasheet and you’re right – no mention of wear and tear from just leaving the solenoid energized, only from switching. Failure time also seems to increase when switching high currents. Since you don’t seem to be doing either of those things, I think you should be in the clear. """ +lang: "en" +isAdult: false +favouriteCount: 3 +score: 0 +lastActive: DateTime @1690444650 {#4079 : 2023-07-27 09:57:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4071 …} +nested: Doctrine\ORM\PersistentCollection {#4069 …} +votes: Doctrine\ORM\PersistentCollection {#4067 …} +reports: Doctrine\ORM\PersistentCollection {#4064 …} +favourites: Doctrine\ORM\PersistentCollection {#4060 …} +notifications: Doctrine\ORM\PersistentCollection {#4058 …} -id: 23291 -bodyTs: "'12vdc':7 'also':40,86 'anyway':59 'appropri':57 'batteri':26 'case':52 'clear':113 'consid':14 'consumpt':48 'current':47,93 'datasheet':64 'deplet':17 'depletion-mod':16 'diod':22 'either':102 'energ':80 'failur':84 'faster':28 'hate':4 'high':92 'increas':89 'intern':38 'leav':77 'light':10 'load':11 'look':61 'lower':37,46 'mention':70 'might':13 'mode':18 'mosfet':19 'move':42 'much':27,45 'part':43 'probabl':36 'protect':24 'quit':35 're':67 'relay':5,33 'resist':39 'right':68 'seem':87,98 'sinc':94 'solenoid':79 'sort':2 'switch':29,83,91 'tear':74 'thing':105 'think':107 'though':58 'time':30,85 'wear':72" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://voltage.vn/comment/102523" +editedAt: null +createdAt: DateTimeImmutable @1690179478 {#4077 : 2023-07-24 08:17:58.0 +02:00 } } +root: App\Entity\EntryComment {#4073} +body: "Would this be a good use case for an SSR?" +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690388210 {#4517 : 2023-07-26 18:16:50.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@Saigonauticon@voltage.vn" ] +children: Doctrine\ORM\PersistentCollection {#4521 …} +nested: Doctrine\ORM\PersistentCollection {#4523 …} +votes: Doctrine\ORM\PersistentCollection {#4525 …} +reports: Doctrine\ORM\PersistentCollection {#4527 …} +favourites: Doctrine\ORM\PersistentCollection {#4529 …} +notifications: Doctrine\ORM\PersistentCollection {#4531 …} -id: 23654 -bodyTs: "'case':7 'good':5 'ssr':10 'use':6 'would':1" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/1405066" +editedAt: null +createdAt: DateTimeImmutable @1690388210 {#4518 : 2023-07-26 18:16:50.0 +02:00 } } +root: App\Entity\EntryComment {#4073} +body: """ I was thinking about that, but if they are using 12VDC + light load a MOSFET would be more cost and space efficient, and probably more electrically efficient too. No real voltage drop, and just a few milliohms added to the load.\n \n I mainly use SSRs to switch mains power, although it’s true they can be used for other things too. 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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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+apId: "tufelkinder@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/tufelkinder" +apPublicUrl: "https://discuss.tchncs.de/u/tufelkinder" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "tufelkinder" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1690388117 {#6015 : 2023-07-26 18:15:17.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1688138140 {#6017 : 2023-06-30 17:15:40.0 +02:00 } +__isInitialized__: true …2 } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4073 +user: App\Entity\User {#4056} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ I sort of hate relays. For 12VDC and a light load, I might consider a depletion-mode MOSFET and a diode to protect the battery. Much faster switching time than a relay, and quite probably lower internal resistance! Also no moving parts and much lower current consumption. There are some cases where it’s not appropriate though.\n \n Anyway, I looked through the datasheet and you’re right – no mention of wear and tear from just leaving the solenoid energized, only from switching. Failure time also seems to increase when switching high currents. Since you don’t seem to be doing either of those things, I think you should be in the clear. """ +lang: "en" +isAdult: false +favouriteCount: 3 +score: 0 +lastActive: DateTime @1690444650 {#4079 : 2023-07-27 09:57:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4071 …} +nested: Doctrine\ORM\PersistentCollection {#4069 …} +votes: Doctrine\ORM\PersistentCollection {#4067 …} +reports: Doctrine\ORM\PersistentCollection {#4064 …} +favourites: Doctrine\ORM\PersistentCollection {#4060 …} +notifications: Doctrine\ORM\PersistentCollection {#4058 …} -id: 23291 -bodyTs: "'12vdc':7 'also':40,86 'anyway':59 'appropri':57 'batteri':26 'case':52 'clear':113 'consid':14 'consumpt':48 'current':47,93 'datasheet':64 'deplet':17 'depletion-mod':16 'diod':22 'either':102 'energ':80 'failur':84 'faster':28 'hate':4 'high':92 'increas':89 'intern':38 'leav':77 'light':10 'load':11 'look':61 'lower':37,46 'mention':70 'might':13 'mode':18 'mosfet':19 'move':42 'much':27,45 'part':43 'probabl':36 'protect':24 'quit':35 're':67 'relay':5,33 'resist':39 'right':68 'seem':87,98 'sinc':94 'solenoid':79 'sort':2 'switch':29,83,91 'tear':74 'thing':105 'think':107 'though':58 'time':30,85 'wear':72" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://voltage.vn/comment/102523" +editedAt: null +createdAt: DateTimeImmutable @1690179478 {#4077 : 2023-07-24 08:17:58.0 +02:00 } } +root: App\Entity\EntryComment {#4073} +body: "Would this be a good use case for an SSR?" +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690388210 {#4517 : 2023-07-26 18:16:50.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@Saigonauticon@voltage.vn" ] +children: Doctrine\ORM\PersistentCollection {#4521 …} +nested: Doctrine\ORM\PersistentCollection {#4523 …} +votes: Doctrine\ORM\PersistentCollection {#4525 …} +reports: Doctrine\ORM\PersistentCollection {#4527 …} +favourites: Doctrine\ORM\PersistentCollection {#4529 …} +notifications: Doctrine\ORM\PersistentCollection {#4531 …} -id: 23654 -bodyTs: "'case':7 'good':5 'ssr':10 'use':6 'would':1" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/1405066" +editedAt: null +createdAt: DateTimeImmutable @1690388210 {#4518 : 2023-07-26 18:16:50.0 +02:00 } } +root: App\Entity\EntryComment {#4073} +body: """ I was thinking about that, but if they are using 12VDC + light load a MOSFET would be more cost and space efficient, and probably more electrically efficient too. No real voltage drop, and just a few milliohms added to the load.\n \n I mainly use SSRs to switch mains power, although it’s true they can be used for other things too. 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circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: 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+url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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+apId: "tufelkinder@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/tufelkinder" +apPublicUrl: "https://discuss.tchncs.de/u/tufelkinder" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "tufelkinder" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1690388117 {#6015 : 2023-07-26 18:15:17.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1688138140 {#6017 : 2023-06-30 17:15:40.0 +02:00 } +__isInitialized__: true …2 } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4073 +user: App\Entity\User {#4056} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ I sort of hate relays. For 12VDC and a light load, I might consider a depletion-mode MOSFET and a diode to protect the battery. Much faster switching time than a relay, and quite probably lower internal resistance! Also no moving parts and much lower current consumption. There are some cases where it’s not appropriate though.\n \n Anyway, I looked through the datasheet and you’re right – no mention of wear and tear from just leaving the solenoid energized, only from switching. Failure time also seems to increase when switching high currents. Since you don’t seem to be doing either of those things, I think you should be in the clear. """ +lang: "en" +isAdult: false +favouriteCount: 3 +score: 0 +lastActive: DateTime @1690444650 {#4079 : 2023-07-27 09:57:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4071 …} +nested: Doctrine\ORM\PersistentCollection {#4069 …} +votes: Doctrine\ORM\PersistentCollection {#4067 …} +reports: Doctrine\ORM\PersistentCollection {#4064 …} +favourites: Doctrine\ORM\PersistentCollection {#4060 …} +notifications: Doctrine\ORM\PersistentCollection {#4058 …} -id: 23291 -bodyTs: "'12vdc':7 'also':40,86 'anyway':59 'appropri':57 'batteri':26 'case':52 'clear':113 'consid':14 'consumpt':48 'current':47,93 'datasheet':64 'deplet':17 'depletion-mod':16 'diod':22 'either':102 'energ':80 'failur':84 'faster':28 'hate':4 'high':92 'increas':89 'intern':38 'leav':77 'light':10 'load':11 'look':61 'lower':37,46 'mention':70 'might':13 'mode':18 'mosfet':19 'move':42 'much':27,45 'part':43 'probabl':36 'protect':24 'quit':35 're':67 'relay':5,33 'resist':39 'right':68 'seem':87,98 'sinc':94 'solenoid':79 'sort':2 'switch':29,83,91 'tear':74 'thing':105 'think':107 'though':58 'time':30,85 'wear':72" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://voltage.vn/comment/102523" +editedAt: null +createdAt: DateTimeImmutable @1690179478 {#4077 : 2023-07-24 08:17:58.0 +02:00 } } +root: App\Entity\EntryComment {#4073} +body: "Would this be a good use case for an SSR?" +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690388210 {#4517 : 2023-07-26 18:16:50.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@Saigonauticon@voltage.vn" ] +children: Doctrine\ORM\PersistentCollection {#4521 …} +nested: Doctrine\ORM\PersistentCollection {#4523 …} +votes: Doctrine\ORM\PersistentCollection {#4525 …} +reports: Doctrine\ORM\PersistentCollection {#4527 …} +favourites: Doctrine\ORM\PersistentCollection {#4529 …} +notifications: Doctrine\ORM\PersistentCollection {#4531 …} -id: 23654 -bodyTs: "'case':7 'good':5 'ssr':10 'use':6 'would':1" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/1405066" +editedAt: null +createdAt: DateTimeImmutable @1690388210 {#4518 : 2023-07-26 18:16:50.0 +02:00 } } +root: App\Entity\EntryComment {#4073} +body: """ I was thinking about that, but if they are using 12VDC + light load a MOSFET would be more cost and space efficient, and probably more electrically efficient too. No real voltage drop, and just a few milliohms added to the load.\n \n I mainly use SSRs to switch mains power, although it’s true they can be used for other things too. 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"Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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+apId: "tufelkinder@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/tufelkinder" +apPublicUrl: "https://discuss.tchncs.de/u/tufelkinder" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "tufelkinder" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1690388117 {#6015 : 2023-07-26 18:15:17.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1688138140 {#6017 : 2023-06-30 17:15:40.0 +02:00 } +__isInitialized__: true …2 } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4073 +user: App\Entity\User {#4056} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ I sort of hate relays. For 12VDC and a light load, I might consider a depletion-mode MOSFET and a diode to protect the battery. Much faster switching time than a relay, and quite probably lower internal resistance! Also no moving parts and much lower current consumption. There are some cases where it’s not appropriate though.\n \n Anyway, I looked through the datasheet and you’re right – no mention of wear and tear from just leaving the solenoid energized, only from switching. Failure time also seems to increase when switching high currents. Since you don’t seem to be doing either of those things, I think you should be in the clear. """ +lang: "en" +isAdult: false +favouriteCount: 3 +score: 0 +lastActive: DateTime @1690444650 {#4079 : 2023-07-27 09:57:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4071 …} +nested: Doctrine\ORM\PersistentCollection {#4069 …} +votes: Doctrine\ORM\PersistentCollection {#4067 …} +reports: Doctrine\ORM\PersistentCollection {#4064 …} +favourites: Doctrine\ORM\PersistentCollection {#4060 …} +notifications: Doctrine\ORM\PersistentCollection {#4058 …} -id: 23291 -bodyTs: "'12vdc':7 'also':40,86 'anyway':59 'appropri':57 'batteri':26 'case':52 'clear':113 'consid':14 'consumpt':48 'current':47,93 'datasheet':64 'deplet':17 'depletion-mod':16 'diod':22 'either':102 'energ':80 'failur':84 'faster':28 'hate':4 'high':92 'increas':89 'intern':38 'leav':77 'light':10 'load':11 'look':61 'lower':37,46 'mention':70 'might':13 'mode':18 'mosfet':19 'move':42 'much':27,45 'part':43 'probabl':36 'protect':24 'quit':35 're':67 'relay':5,33 'resist':39 'right':68 'seem':87,98 'sinc':94 'solenoid':79 'sort':2 'switch':29,83,91 'tear':74 'thing':105 'think':107 'though':58 'time':30,85 'wear':72" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://voltage.vn/comment/102523" +editedAt: null +createdAt: DateTimeImmutable @1690179478 {#4077 : 2023-07-24 08:17:58.0 +02:00 } } +root: App\Entity\EntryComment {#4073} +body: "Would this be a good use case for an SSR?" +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690388210 {#4517 : 2023-07-26 18:16:50.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@Saigonauticon@voltage.vn" ] +children: Doctrine\ORM\PersistentCollection {#4521 …} +nested: Doctrine\ORM\PersistentCollection {#4523 …} +votes: Doctrine\ORM\PersistentCollection {#4525 …} +reports: Doctrine\ORM\PersistentCollection {#4527 …} +favourites: Doctrine\ORM\PersistentCollection {#4529 …} +notifications: Doctrine\ORM\PersistentCollection {#4531 …} -id: 23654 -bodyTs: "'case':7 'good':5 'ssr':10 'use':6 'would':1" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/1405066" +editedAt: null +createdAt: DateTimeImmutable @1690388210 {#4518 : 2023-07-26 18:16:50.0 +02:00 } } +root: App\Entity\EntryComment {#4073} +body: """ I was thinking about that, but if they are using 12VDC + light load a MOSFET would be more cost and space efficient, and probably more electrically efficient too. No real voltage drop, and just a few milliohms added to the load.\n \n I mainly use SSRs to switch mains power, although it’s true they can be used for other things too. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690444644 {#4571 : 2023-07-27 09:57:24.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@Saigonauticon@voltage.vn" "@tufelkinder@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4574 …} +nested: Doctrine\ORM\PersistentCollection {#4576 …} +votes: Doctrine\ORM\PersistentCollection {#4578 …} +reports: Doctrine\ORM\PersistentCollection {#4580 …} +favourites: Doctrine\ORM\PersistentCollection {#4582 …} +notifications: Doctrine\ORM\PersistentCollection {#4584 …} -id: 23790 -bodyTs: "'12vdc':11 'ad':38 'although':50 'cost':19 'drop':32 'effici':22,27 'electr':26 'light':12 'load':13,41 'main':43,48 'milliohm':37 'mosfet':15 'power':49 'probabl':24 'real':30 'space':21 'ssrs':45 'switch':47 'thing':60 'think':3 'true':53 'use':10,44,57 'voltag':31 'would':16" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://voltage.vn/comment/109780" +editedAt: null +createdAt: DateTimeImmutable @1690444644 {#4572 : 2023-07-27 09:57:24.0 +02:00 } } -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} } |
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circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: 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+url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 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+apId: "tufelkinder@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/tufelkinder" +apPublicUrl: "https://discuss.tchncs.de/u/tufelkinder" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "tufelkinder" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1690388117 {#6015 : 2023-07-26 18:15:17.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1688138140 {#6017 : 2023-06-30 17:15:40.0 +02:00 } +__isInitialized__: true …2 } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4073 +user: App\Entity\User {#4056} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ I sort of hate relays. For 12VDC and a light load, I might consider a depletion-mode MOSFET and a diode to protect the battery. Much faster switching time than a relay, and quite probably lower internal resistance! Also no moving parts and much lower current consumption. There are some cases where it’s not appropriate though.\n \n Anyway, I looked through the datasheet and you’re right – no mention of wear and tear from just leaving the solenoid energized, only from switching. Failure time also seems to increase when switching high currents. Since you don’t seem to be doing either of those things, I think you should be in the clear. """ +lang: "en" +isAdult: false +favouriteCount: 3 +score: 0 +lastActive: DateTime @1690444650 {#4079 : 2023-07-27 09:57:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4071 …} +nested: Doctrine\ORM\PersistentCollection {#4069 …} +votes: Doctrine\ORM\PersistentCollection {#4067 …} +reports: Doctrine\ORM\PersistentCollection {#4064 …} +favourites: Doctrine\ORM\PersistentCollection {#4060 …} +notifications: Doctrine\ORM\PersistentCollection {#4058 …} -id: 23291 -bodyTs: "'12vdc':7 'also':40,86 'anyway':59 'appropri':57 'batteri':26 'case':52 'clear':113 'consid':14 'consumpt':48 'current':47,93 'datasheet':64 'deplet':17 'depletion-mod':16 'diod':22 'either':102 'energ':80 'failur':84 'faster':28 'hate':4 'high':92 'increas':89 'intern':38 'leav':77 'light':10 'load':11 'look':61 'lower':37,46 'mention':70 'might':13 'mode':18 'mosfet':19 'move':42 'much':27,45 'part':43 'probabl':36 'protect':24 'quit':35 're':67 'relay':5,33 'resist':39 'right':68 'seem':87,98 'sinc':94 'solenoid':79 'sort':2 'switch':29,83,91 'tear':74 'thing':105 'think':107 'though':58 'time':30,85 'wear':72" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://voltage.vn/comment/102523" +editedAt: null +createdAt: DateTimeImmutable @1690179478 {#4077 : 2023-07-24 08:17:58.0 +02:00 } } +root: App\Entity\EntryComment {#4073} +body: "Would this be a good use case for an SSR?" +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690388210 {#4517 : 2023-07-26 18:16:50.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@Saigonauticon@voltage.vn" ] +children: Doctrine\ORM\PersistentCollection {#4521 …} +nested: Doctrine\ORM\PersistentCollection {#4523 …} +votes: Doctrine\ORM\PersistentCollection {#4525 …} +reports: Doctrine\ORM\PersistentCollection {#4527 …} +favourites: Doctrine\ORM\PersistentCollection {#4529 …} +notifications: Doctrine\ORM\PersistentCollection {#4531 …} -id: 23654 -bodyTs: "'case':7 'good':5 'ssr':10 'use':6 'would':1" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/1405066" +editedAt: null +createdAt: DateTimeImmutable @1690388210 {#4518 : 2023-07-26 18:16:50.0 +02:00 } } +root: App\Entity\EntryComment {#4073} +body: """ I was thinking about that, but if they are using 12VDC + light load a MOSFET would be more cost and space efficient, and probably more electrically efficient too. No real voltage drop, and just a few milliohms added to the load.\n \n I mainly use SSRs to switch mains power, although it’s true they can be used for other things too. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690444644 {#4571 : 2023-07-27 09:57:24.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@Saigonauticon@voltage.vn" "@tufelkinder@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4574 …} +nested: Doctrine\ORM\PersistentCollection {#4576 …} +votes: Doctrine\ORM\PersistentCollection {#4578 …} +reports: Doctrine\ORM\PersistentCollection {#4580 …} +favourites: Doctrine\ORM\PersistentCollection {#4582 …} +notifications: Doctrine\ORM\PersistentCollection {#4584 …} -id: 23790 -bodyTs: "'12vdc':11 'ad':38 'although':50 'cost':19 'drop':32 'effici':22,27 'electr':26 'light':12 'load':13,41 'main':43,48 'milliohm':37 'mosfet':15 'power':49 'probabl':24 'real':30 'space':21 'ssrs':45 'switch':47 'thing':60 'think':3 'true':53 'use':10,44,57 'voltag':31 'would':16" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://voltage.vn/comment/109780" +editedAt: null +createdAt: DateTimeImmutable @1690444644 {#4572 : 2023-07-27 09:57:24.0 +02:00 } } "level" => 3 "showNested" => true "view" => "tree" ] |
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"askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} 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"Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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+apId: "tufelkinder@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/tufelkinder" +apPublicUrl: "https://discuss.tchncs.de/u/tufelkinder" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "tufelkinder" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1690388117 {#6015 : 2023-07-26 18:15:17.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1688138140 {#6017 : 2023-06-30 17:15:40.0 +02:00 } +__isInitialized__: true …2 } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4073 +user: App\Entity\User {#4056} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ I sort of hate relays. For 12VDC and a light load, I might consider a depletion-mode MOSFET and a diode to protect the battery. Much faster switching time than a relay, and quite probably lower internal resistance! Also no moving parts and much lower current consumption. There are some cases where it’s not appropriate though.\n \n Anyway, I looked through the datasheet and you’re right – no mention of wear and tear from just leaving the solenoid energized, only from switching. Failure time also seems to increase when switching high currents. Since you don’t seem to be doing either of those things, I think you should be in the clear. """ +lang: "en" +isAdult: false +favouriteCount: 3 +score: 0 +lastActive: DateTime @1690444650 {#4079 : 2023-07-27 09:57:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4071 …} +nested: Doctrine\ORM\PersistentCollection {#4069 …} +votes: Doctrine\ORM\PersistentCollection {#4067 …} +reports: Doctrine\ORM\PersistentCollection {#4064 …} +favourites: Doctrine\ORM\PersistentCollection {#4060 …} +notifications: Doctrine\ORM\PersistentCollection {#4058 …} -id: 23291 -bodyTs: "'12vdc':7 'also':40,86 'anyway':59 'appropri':57 'batteri':26 'case':52 'clear':113 'consid':14 'consumpt':48 'current':47,93 'datasheet':64 'deplet':17 'depletion-mod':16 'diod':22 'either':102 'energ':80 'failur':84 'faster':28 'hate':4 'high':92 'increas':89 'intern':38 'leav':77 'light':10 'load':11 'look':61 'lower':37,46 'mention':70 'might':13 'mode':18 'mosfet':19 'move':42 'much':27,45 'part':43 'probabl':36 'protect':24 'quit':35 're':67 'relay':5,33 'resist':39 'right':68 'seem':87,98 'sinc':94 'solenoid':79 'sort':2 'switch':29,83,91 'tear':74 'thing':105 'think':107 'though':58 'time':30,85 'wear':72" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://voltage.vn/comment/102523" +editedAt: null +createdAt: DateTimeImmutable @1690179478 {#4077 : 2023-07-24 08:17:58.0 +02:00 } } +root: App\Entity\EntryComment {#4073} +body: "Would this be a good use case for an SSR?" +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690388210 {#4517 : 2023-07-26 18:16:50.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@Saigonauticon@voltage.vn" ] +children: Doctrine\ORM\PersistentCollection {#4521 …} +nested: Doctrine\ORM\PersistentCollection {#4523 …} +votes: Doctrine\ORM\PersistentCollection {#4525 …} +reports: Doctrine\ORM\PersistentCollection {#4527 …} +favourites: Doctrine\ORM\PersistentCollection {#4529 …} +notifications: Doctrine\ORM\PersistentCollection {#4531 …} -id: 23654 -bodyTs: "'case':7 'good':5 'ssr':10 'use':6 'would':1" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/1405066" +editedAt: null +createdAt: DateTimeImmutable @1690388210 {#4518 : 2023-07-26 18:16:50.0 +02:00 } } +root: App\Entity\EntryComment {#4073} +body: """ I was thinking about that, but if they are using 12VDC + light load a MOSFET would be more cost and space efficient, and probably more electrically efficient too. No real voltage drop, and just a few milliohms added to the load.\n \n I mainly use SSRs to switch mains power, although it’s true they can be used for other things too. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690444644 {#4571 : 2023-07-27 09:57:24.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@Saigonauticon@voltage.vn" "@tufelkinder@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4574 …} +nested: Doctrine\ORM\PersistentCollection {#4576 …} +votes: Doctrine\ORM\PersistentCollection {#4578 …} +reports: Doctrine\ORM\PersistentCollection {#4580 …} +favourites: Doctrine\ORM\PersistentCollection {#4582 …} +notifications: Doctrine\ORM\PersistentCollection {#4584 …} -id: 23790 -bodyTs: "'12vdc':11 'ad':38 'although':50 'cost':19 'drop':32 'effici':22,27 'electr':26 'light':12 'load':13,41 'main':43,48 'milliohm':37 'mosfet':15 'power':49 'probabl':24 'real':30 'space':21 'ssrs':45 'switch':47 'thing':60 'think':3 'true':53 'use':10,44,57 'voltag':31 'would':16" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://voltage.vn/comment/109780" +editedAt: null +createdAt: DateTimeImmutable @1690444644 {#4572 : 2023-07-27 09:57:24.0 +02:00 } } +nestedComments: [] +level: 3 +view: "tree" -entryCommentRepository: App\Repository\EntryCommentRepository {#558 …} -twig: Twig\Environment {#1252 …} -security: Symfony\Bundle\SecurityBundle\Security {#1101 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} } |
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circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: 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+url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ The relay will cause a short voltage drop when switching. This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } "showNested" => true "dateAsUrl" => false "showMagazineName" => false "showEntryTitle" => false ] |
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30753 -password: "$2y$13$V.iCe02RTvsCKlk9VR8eyO/XOHNlerws30k4pHsZdtecSqn5repUW" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1668 …} +apId: "trafguy@midwest.social" +apProfileId: "https://midwest.social/u/trafguy" +apPublicUrl: "https://midwest.social/u/trafguy" +apFollowersUrl: null +apInboxUrl: "https://midwest.social/inbox" +apDomain: "midwest.social" +apPreferredUsername: "trafguy" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1705341170 {#1537 : 2024-01-15 18:52:50.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1689652756 {#1515 : 2023-07-18 05:59:16.0 +02:00 } +__isInitialized__: true …2 } +magazine: App\Entity\Magazine {#266 +icon: Proxies\__CG__\App\Entity\Image {#247 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: Doctrine\ORM\PersistentCollection {#72 …} +awards: Doctrine\ORM\PersistentCollection {#61 …} +categories: Doctrine\ORM\PersistentCollection {#1820 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ The relay will cause a short voltage drop when switching. This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } +showMagazineName: false +showEntryTitle: false +showNested: true +level: 1 +canSeeTrash: false +dateAsUrl: false -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} -authorizationChecker: Symfony\Component\Security\Core\Authorization\AuthorizationChecker {#931 …} } |
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date | App\Twig\Components\DateComponent | 12.0 MiB | 0.65 ms | |
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Component | App\Twig\Components\DateComponent {#7390 +date: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } |
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user_avatar | App\Twig\Components\UserAvatarComponent | 12.0 MiB | 0.35 ms | |
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30753 -password: "$2y$13$V.iCe02RTvsCKlk9VR8eyO/XOHNlerws30k4pHsZdtecSqn5repUW" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1668 …} +apId: "trafguy@midwest.social" +apProfileId: "https://midwest.social/u/trafguy" +apPublicUrl: "https://midwest.social/u/trafguy" +apFollowersUrl: null +apInboxUrl: "https://midwest.social/inbox" +apDomain: "midwest.social" +apPreferredUsername: "trafguy" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1705341170 {#1537 : 2024-01-15 18:52:50.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1689652756 {#1515 : 2023-07-18 05:59:16.0 +02:00 } +__isInitialized__: true …2 } +magazine: App\Entity\Magazine {#266 +icon: Proxies\__CG__\App\Entity\Image {#247 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: 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+url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ The relay will cause a short voltage drop when switching. This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } ] |
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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. 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+url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ The relay will cause a short voltage drop when switching. This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } "level" => 1 "showNested" => true "view" => "tree" ] |
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circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: 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+url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ The relay will cause a short voltage drop when switching. This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } +nestedComments: [ 23260 => App\Entity\EntryComment {#4458 +user: App\Entity\User {#4242 +avatar: null +cover: null +email: "empireOfLove@lemmy.one" +username: "@empireOfLove@lemmy.one" +roles: [] +followersCount: 0 +homepage: "front" +about: """ ***DEAD ACCOUNT. Lemmy.one does not have active administration and I need to move on. Catch me over at dbzer0: [lemmy.dbzer0.com/u/empireOfLove2](https://lemmy.dbzer0.com/u/empireOfLove2)***\n \n Yet another Reddit refugee from the great 3rd party app purge of 2023. Obligatory fuck /u/Spez. 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Filtering saves lives" +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1690138136 {#4453 : 2023-07-23 20:48:56.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4463 …} +nested: Doctrine\ORM\PersistentCollection {#4459 …} +votes: Doctrine\ORM\PersistentCollection {#4461 …} +reports: Doctrine\ORM\PersistentCollection {#4466 …} +favourites: Doctrine\ORM\PersistentCollection {#4468 …} +notifications: Doctrine\ORM\PersistentCollection {#4470 …} -id: 23260 -bodyTs: "'1uf':28 'across':23 'act':34 'along':29 'and/or':55 'bit':51 'capacitor':22 'ceram':21 'coil':25 'connect':19,38 'contact':26 'diod':33 'draw':54 'enough':45 'filter':61 'fluctuat':11 'flux':59 'flyback':37 'good':50 'issu':7 'live':63 'note':1 'often':18 'polar':41 'puls':60 'relay':14 'revers':40 'save':62 'small':32 'smooth':47 'switch':15,57 'switch-off':56 'voltag':10" +ranking: 0 +commentCount: 0 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Doctrine\ORM\PersistentCollection {#9196 …} +apId: "glibg10b@lemmy.ml" +apProfileId: "https://lemmy.ml/u/glibg10b" +apPublicUrl: "https://lemmy.ml/u/glibg10b" +apFollowersUrl: null +apInboxUrl: "https://lemmy.ml/inbox" +apDomain: "lemmy.ml" +apPreferredUsername: "glibg10b" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1729034083 {#9142 : 2024-10-16 01:14:43.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687067942 {#9143 : 2023-06-18 07:59:02.0 +02:00 } +__isInitialized__: true …2 } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4474 +user: Proxies\__CG__\App\Entity\User {#1943 …2} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4155} +root: App\Entity\EntryComment {#4155} +body: """ Thanks, I don’t think there are any external settings for the power supply, but it does provide a few more volts than I strictly need. Toggling a single relay hasn’t caused me any issues in the limited testing I’ve done. A momentary drop to as low as 5V should be perfectly fine, although, looking over the specs for my components, I see I’m getting dangerously close to the upper limits for the power supply’s current rating. I’ll have to look into connecting 2 supplies in parallel (or getting a larger supply) I suppose.\n \n I haven’t worked with battery backups yet, so I was thinking it would be best to keep that element simple to minimize potential issues like a trickle charge draining the battery unexpectedly, or damaging the battery from overcharge. The minimum requirement is just to ensure the hardware (a motorized ball valve) returns to a closed position if power is lost. The battery needs to provide at least 9V to power the motor, so I could use a 9V (or a few smaller cells in series) to keep it below the 12V supply.\n \n With your solution using a diode on each voltage source, would there be any risk of a trickle charge draining the battery unexpectedly if the battery? If so, in that configuration I’d need to do more research and figure out how to use a BMS, rather than an externally recharged or disposable cell. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690140298 {#4472 : 2023-07-23 21:24:58.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4475 …} +nested: Doctrine\ORM\PersistentCollection {#4477 …} +votes: Doctrine\ORM\PersistentCollection {#4479 …} +reports: Doctrine\ORM\PersistentCollection {#4481 …} +favourites: Doctrine\ORM\PersistentCollection {#4483 …} +notifications: Doctrine\ORM\PersistentCollection {#4485 …} -id: 23266 -bodyTs: "'12v':191 '2':89 '5v':51 '9v':168,178 'although':56 'backup':106 'ball':150 'batteri':105,131,136,162,214,218 'best':115 'bms':238 'caus':33 'cell':183,246 'charg':128,211 'close':70,155 'compon':63 'configur':223 'connect':88 'could':175 'current':80 'd':225 'damag':134 'danger':69 'diod':198 'dispos':245 'done':43 'drain':129,212 'drop':46 'element':119 'ensur':145 'extern':9,242 'figur':232 'fine':55 'get':68,94 'hardwar':147 'hasn':31 'haven':101 'issu':36,124 'keep':117,187 'larger':96 'least':167 'like':125 'limit':39,74 'll':83 'look':57,86 'lost':160 'low':49 'm':67 'minim':122 'minimum':140 'momentari':45 'motor':149,172 'need':26,163,226 'overcharg':138 'parallel':92 'perfect':54 'posit':156 'potenti':123 'power':13,77,158,170 'provid':18,165 'rate':81 'rather':239 'recharg':243 'relay':30 'requir':141 'research':230 'return':152 'risk':207 'see':65 'seri':185 'set':10 'simpl':120 'singl':29 'smaller':182 'solut':195 'sourc':202 'spec':60 'strict':25 'suppli':14,78,90,97,192 'suppos':99 'test':40 'thank':1 'think':5,111 'toggl':27 'trickl':127,210 'unexpect':132,215 'upper':73 'use':176,196,236 'valv':151 've':42 'volt':22 'voltag':201 'work':103 'would':113,203 'yet':107" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1279452" +editedAt: null +createdAt: DateTimeImmutable @1690140298 {#4473 : 2023-07-23 21:24:58.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: """ > With your solution using a diode on each voltage source, would there be any risk of a trickle charge draining the battery unexpectedly if the battery?\n \n Current flows from high to low voltage, but the battery is at a lower voltage than the supply. Check the diode’s datasheet for the reverse current at the voltage that would be across it. It should be negligible\n \n Here’s an example from my notes:\n \n  """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150290 {#4545 : 2023-07-24 00:11:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4536 …} +nested: Doctrine\ORM\PersistentCollection {#4534 …} +votes: Doctrine\ORM\PersistentCollection {#4538 …} +reports: Doctrine\ORM\PersistentCollection {#4550 …} +favourites: Doctrine\ORM\PersistentCollection {#4552 …} +notifications: Doctrine\ORM\PersistentCollection {#4554 …} -id: 23281 -bodyTs: "'/pictrs/image/97a947f7-a757-49d5-8751-e33194983c87.png)':75 'across':60 'batteri':22,26,36 'charg':19 'check':45 'current':27,53 'datasheet':49 'diod':6,47 'drain':20 'exampl':69 'flow':28 'high':30 'lemmy.ml':74 'lemmy.ml/pictrs/image/97a947f7-a757-49d5-8751-e33194983c87.png)':73 'low':32 'lower':40 'neglig':65 'note':72 'revers':52 'risk':15 'solut':3 'sourc':10 'suppli':44 'trickl':18 'unexpect':23 'use':4 'voltag':9,33,41,56 'would':11,58" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.ml/comment/1904148" +editedAt: null +createdAt: DateTimeImmutable @1690150290 {#4548 : 2023-07-24 00:11:30.0 +02:00 } } 23266 => App\Entity\EntryComment {#4474} ] +level: 1 +view: "tree" -entryCommentRepository: App\Repository\EntryCommentRepository {#558 …} -twig: Twig\Environment {#1252 …} -security: Symfony\Bundle\SecurityBundle\Security {#1101 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} } |
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"https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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"M_Reimer@lemmy.world" +apProfileId: "https://lemmy.world/u/M_Reimer" +apPublicUrl: "https://lemmy.world/u/M_Reimer" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "M_Reimer" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1692619767 {#4153 : 2023-08-21 14:09:27.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687758897 {#4154 : 2023-06-26 07:54:57.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ The relay will cause a short voltage drop when switching. This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: "note that if you do have issues with the voltage fluctuating when the relay switches, you can often connect a ceramic capacitor across the coil contacts of ~1uF along with a small diode acting as a flyback connected in reverse polarity, and it’s enough to smooth out a good bit of that draw and/or switch-off flux pulse. Filtering saves lives" +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1690138136 {#4453 : 2023-07-23 20:48:56.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4463 …} +nested: Doctrine\ORM\PersistentCollection {#4459 …} +votes: Doctrine\ORM\PersistentCollection {#4461 …} +reports: Doctrine\ORM\PersistentCollection {#4466 …} +favourites: Doctrine\ORM\PersistentCollection {#4468 …} +notifications: Doctrine\ORM\PersistentCollection {#4470 …} -id: 23260 -bodyTs: "'1uf':28 'across':23 'act':34 'along':29 'and/or':55 'bit':51 'capacitor':22 'ceram':21 'coil':25 'connect':19,38 'contact':26 'diod':33 'draw':54 'enough':45 'filter':61 'fluctuat':11 'flux':59 'flyback':37 'good':50 'issu':7 'live':63 'note':1 'often':18 'polar':41 'puls':60 'relay':14 'revers':40 'save':62 'small':32 'smooth':47 'switch':15,57 'switch-off':56 'voltag':10" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.one/comment/1411249" +editedAt: DateTimeImmutable @1690140415 {#4450 : 2023-07-23 21:26:55.0 +02:00 } +createdAt: DateTimeImmutable @1690138136 {#4454 : 2023-07-23 20:48:56.0 +02:00 } } "showNested" => true "level" => 2 "showEntryTitle" => false "showMagazineName" => false ] |
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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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+notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4169 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4171 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4173 …} +entries: Doctrine\ORM\PersistentCollection {#4175 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4177 …} +entryComments: Doctrine\ORM\PersistentCollection {#4179 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4181 …} +posts: Doctrine\ORM\PersistentCollection {#4183 …} +postVotes: Doctrine\ORM\PersistentCollection {#4185 …} +postComments: Doctrine\ORM\PersistentCollection {#4187 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4189 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4191 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4193 …} +follows: Doctrine\ORM\PersistentCollection {#4195 …} +followers: Doctrine\ORM\PersistentCollection {#4197 …} +blocks: Doctrine\ORM\PersistentCollection {#4199 …} +blockers: Doctrine\ORM\PersistentCollection {#4201 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4203 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4205 …} +reports: Doctrine\ORM\PersistentCollection {#4207 …} +favourites: Doctrine\ORM\PersistentCollection {#4209 …} +violations: Doctrine\ORM\PersistentCollection {#4211 …} +notifications: Doctrine\ORM\PersistentCollection {#4213 …} +awards: Doctrine\ORM\PersistentCollection {#4215 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4217 …} +categories: Doctrine\ORM\PersistentCollection {#4219 …} -id: 11196 -password: "$2y$13$FmgOU4pnDcL2OYNRIDI73.ySc/mZ56hTOiam56.7y3Wf6.XOQHZfe" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4221 …} +apId: "M_Reimer@lemmy.world" +apProfileId: "https://lemmy.world/u/M_Reimer" +apPublicUrl: "https://lemmy.world/u/M_Reimer" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "M_Reimer" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1692619767 {#4153 : 2023-08-21 14:09:27.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687758897 {#4154 : 2023-06-26 07:54:57.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ The relay will cause a short voltage drop when switching. This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: "note that if you do have issues with the voltage fluctuating when the relay switches, you can often connect a ceramic capacitor across the coil contacts of ~1uF along with a small diode acting as a flyback connected in reverse polarity, and it’s enough to smooth out a good bit of that draw and/or switch-off flux pulse. Filtering saves lives" +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1690138136 {#4453 : 2023-07-23 20:48:56.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4463 …} +nested: Doctrine\ORM\PersistentCollection {#4459 …} +votes: Doctrine\ORM\PersistentCollection {#4461 …} +reports: Doctrine\ORM\PersistentCollection {#4466 …} +favourites: Doctrine\ORM\PersistentCollection {#4468 …} +notifications: Doctrine\ORM\PersistentCollection {#4470 …} -id: 23260 -bodyTs: "'1uf':28 'across':23 'act':34 'along':29 'and/or':55 'bit':51 'capacitor':22 'ceram':21 'coil':25 'connect':19,38 'contact':26 'diod':33 'draw':54 'enough':45 'filter':61 'fluctuat':11 'flux':59 'flyback':37 'good':50 'issu':7 'live':63 'note':1 'often':18 'polar':41 'puls':60 'relay':14 'revers':40 'save':62 'small':32 'smooth':47 'switch':15,57 'switch-off':56 'voltag':10" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.one/comment/1411249" +editedAt: DateTimeImmutable @1690140415 {#4450 : 2023-07-23 21:26:55.0 +02:00 } +createdAt: DateTimeImmutable @1690138136 {#4454 : 2023-07-23 20:48:56.0 +02:00 } } +showMagazineName: false +showEntryTitle: false +showNested: true +level: 2 +canSeeTrash: false +dateAsUrl: false -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} -authorizationChecker: Symfony\Component\Security\Core\Authorization\AuthorizationChecker {#931 …} } |
user_inline | App\Twig\Components\UserInlineComponent | 12.0 MiB | 0.34 ms | |
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Input props | [ "user" => App\Entity\User {#4242 +avatar: null +cover: null +email: "empireOfLove@lemmy.one" +username: "@empireOfLove@lemmy.one" +roles: [] +followersCount: 0 +homepage: "front" +about: """ ***DEAD ACCOUNT. Lemmy.one does not have active administration and I need to move on. Catch me over at dbzer0: [lemmy.dbzer0.com/u/empireOfLove2](https://lemmy.dbzer0.com/u/empireOfLove2)***\n \n Yet another Reddit refugee from the great 3rd party app purge of 2023. Obligatory fuck /u/Spez. """ +lastActive: DateTime @1711356701 {#4226 : 2024-03-25 09:51:41.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4243 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4245 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4247 …} +entries: Doctrine\ORM\PersistentCollection {#4249 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4251 …} +entryComments: Doctrine\ORM\PersistentCollection {#4253 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4255 …} +posts: Doctrine\ORM\PersistentCollection {#4257 …} +postVotes: Doctrine\ORM\PersistentCollection {#4259 …} +postComments: Doctrine\ORM\PersistentCollection {#4261 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4263 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4265 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4267 …} +follows: Doctrine\ORM\PersistentCollection {#4269 …} +followers: Doctrine\ORM\PersistentCollection {#4271 …} +blocks: Doctrine\ORM\PersistentCollection {#4273 …} +blockers: Doctrine\ORM\PersistentCollection {#4275 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4277 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4279 …} +reports: Doctrine\ORM\PersistentCollection {#4281 …} +favourites: Doctrine\ORM\PersistentCollection {#4283 …} +violations: Doctrine\ORM\PersistentCollection {#4285 …} +notifications: Doctrine\ORM\PersistentCollection {#4287 …} +awards: Doctrine\ORM\PersistentCollection {#4289 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4291 …} +categories: Doctrine\ORM\PersistentCollection {#4293 …} -id: 9226 -password: "$2y$13$jwekzKCTw8B.VmLHL05LeOB5QbA8YqmxsvRJM8jjPOWS5PC2Bh/Q6" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4295 …} +apId: "empireOfLove@lemmy.one" +apProfileId: "https://lemmy.one/u/empireOfLove" +apPublicUrl: "https://lemmy.one/u/empireOfLove" +apFollowersUrl: null +apInboxUrl: "https://lemmy.one/inbox" +apDomain: "lemmy.one" +apPreferredUsername: "empireOfLove" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1725343425 {#4227 : 2024-09-03 08:03:45.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687529967 {#4228 : 2023-06-23 16:19:27.0 +02:00 } } "showAvatar" => false ] |
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Attributes | [] |
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Component | App\Twig\Components\UserInlineComponent {#7827 +user: App\Entity\User {#4242 +avatar: null +cover: null +email: "empireOfLove@lemmy.one" +username: "@empireOfLove@lemmy.one" +roles: [] +followersCount: 0 +homepage: "front" +about: """ ***DEAD ACCOUNT. Lemmy.one does not have active administration and I need to move on. Catch me over at dbzer0: [lemmy.dbzer0.com/u/empireOfLove2](https://lemmy.dbzer0.com/u/empireOfLove2)***\n \n Yet another Reddit refugee from the great 3rd party app purge of 2023. Obligatory fuck /u/Spez. """ +lastActive: DateTime @1711356701 {#4226 : 2024-03-25 09:51:41.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4243 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4245 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4247 …} +entries: Doctrine\ORM\PersistentCollection {#4249 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4251 …} +entryComments: Doctrine\ORM\PersistentCollection {#4253 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4255 …} +posts: Doctrine\ORM\PersistentCollection {#4257 …} +postVotes: Doctrine\ORM\PersistentCollection {#4259 …} +postComments: Doctrine\ORM\PersistentCollection {#4261 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4263 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4265 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4267 …} +follows: Doctrine\ORM\PersistentCollection {#4269 …} +followers: Doctrine\ORM\PersistentCollection {#4271 …} +blocks: Doctrine\ORM\PersistentCollection {#4273 …} +blockers: Doctrine\ORM\PersistentCollection {#4275 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4277 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4279 …} +reports: Doctrine\ORM\PersistentCollection {#4281 …} +favourites: Doctrine\ORM\PersistentCollection {#4283 …} +violations: Doctrine\ORM\PersistentCollection {#4285 …} +notifications: Doctrine\ORM\PersistentCollection {#4287 …} +awards: Doctrine\ORM\PersistentCollection {#4289 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4291 …} +categories: Doctrine\ORM\PersistentCollection {#4293 …} -id: 9226 -password: "$2y$13$jwekzKCTw8B.VmLHL05LeOB5QbA8YqmxsvRJM8jjPOWS5PC2Bh/Q6" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4295 …} +apId: "empireOfLove@lemmy.one" +apProfileId: "https://lemmy.one/u/empireOfLove" +apPublicUrl: "https://lemmy.one/u/empireOfLove" +apFollowersUrl: null +apInboxUrl: "https://lemmy.one/inbox" +apDomain: "lemmy.one" +apPreferredUsername: "empireOfLove" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1725343425 {#4227 : 2024-09-03 08:03:45.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687529967 {#4228 : 2023-06-23 16:19:27.0 +02:00 } } +showAvatar: false } |
date | App\Twig\Components\DateComponent | 12.0 MiB | 0.31 ms | |
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Input props | [ "date" => DateTimeImmutable @1690138136 {#4454 : 2023-07-23 20:48:56.0 +02:00 } ] |
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Attributes | [] |
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Component | App\Twig\Components\DateComponent {#7882 +date: DateTimeImmutable @1690138136 {#4454 : 2023-07-23 20:48:56.0 +02:00 } } |
date_edited | App\Twig\Components\DateEditedComponent | 12.0 MiB | 0.33 ms | |
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Input props | [ "createdAt" => DateTimeImmutable @1690138136 {#4454 : 2023-07-23 20:48:56.0 +02:00 } "editedAt" => DateTimeImmutable @1690140415 {#4450 : 2023-07-23 21:26:55.0 +02:00 } ] |
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Attributes | [] |
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Component | App\Twig\Components\DateEditedComponent {#7936 +createdAt: DateTimeImmutable @1690138136 {#4454 : 2023-07-23 20:48:56.0 +02:00 } +editedAt: DateTimeImmutable @1690140415 {#4450 : 2023-07-23 21:26:55.0 +02:00 } } |
user_avatar | App\Twig\Components\UserAvatarComponent | 12.0 MiB | 0.32 ms | |
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Input props | [ "user" => App\Entity\User {#4242 +avatar: null +cover: null +email: "empireOfLove@lemmy.one" +username: "@empireOfLove@lemmy.one" +roles: [] +followersCount: 0 +homepage: "front" +about: """ ***DEAD ACCOUNT. Lemmy.one does not have active administration and I need to move on. Catch me over at dbzer0: [lemmy.dbzer0.com/u/empireOfLove2](https://lemmy.dbzer0.com/u/empireOfLove2)***\n \n Yet another Reddit refugee from the great 3rd party app purge of 2023. Obligatory fuck /u/Spez. """ +lastActive: DateTime @1711356701 {#4226 : 2024-03-25 09:51:41.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4243 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4245 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4247 …} +entries: Doctrine\ORM\PersistentCollection {#4249 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4251 …} +entryComments: Doctrine\ORM\PersistentCollection {#4253 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4255 …} +posts: Doctrine\ORM\PersistentCollection {#4257 …} +postVotes: Doctrine\ORM\PersistentCollection {#4259 …} +postComments: Doctrine\ORM\PersistentCollection {#4261 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4263 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4265 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4267 …} +follows: Doctrine\ORM\PersistentCollection {#4269 …} +followers: Doctrine\ORM\PersistentCollection {#4271 …} +blocks: Doctrine\ORM\PersistentCollection {#4273 …} +blockers: Doctrine\ORM\PersistentCollection {#4275 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4277 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4279 …} +reports: Doctrine\ORM\PersistentCollection {#4281 …} +favourites: Doctrine\ORM\PersistentCollection {#4283 …} +violations: Doctrine\ORM\PersistentCollection {#4285 …} +notifications: Doctrine\ORM\PersistentCollection {#4287 …} +awards: Doctrine\ORM\PersistentCollection {#4289 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4291 …} +categories: Doctrine\ORM\PersistentCollection {#4293 …} -id: 9226 -password: "$2y$13$jwekzKCTw8B.VmLHL05LeOB5QbA8YqmxsvRJM8jjPOWS5PC2Bh/Q6" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4295 …} +apId: "empireOfLove@lemmy.one" +apProfileId: "https://lemmy.one/u/empireOfLove" +apPublicUrl: "https://lemmy.one/u/empireOfLove" +apFollowersUrl: null +apInboxUrl: "https://lemmy.one/inbox" +apDomain: "lemmy.one" +apPreferredUsername: "empireOfLove" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1725343425 {#4227 : 2024-09-03 08:03:45.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687529967 {#4228 : 2023-06-23 16:19:27.0 +02:00 } } "width" => 40 "height" => 40 "asLink" => true ] |
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Attributes | [] |
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Component | App\Twig\Components\UserAvatarComponent {#7990 +width: 40 +height: 40 +user: App\Entity\User {#4242 +avatar: null +cover: null +email: "empireOfLove@lemmy.one" +username: "@empireOfLove@lemmy.one" +roles: [] +followersCount: 0 +homepage: "front" +about: """ ***DEAD ACCOUNT. Lemmy.one does not have active administration and I need to move on. Catch me over at dbzer0: [lemmy.dbzer0.com/u/empireOfLove2](https://lemmy.dbzer0.com/u/empireOfLove2)***\n \n Yet another Reddit refugee from the great 3rd party app purge of 2023. Obligatory fuck /u/Spez. """ +lastActive: DateTime @1711356701 {#4226 : 2024-03-25 09:51:41.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4243 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4245 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4247 …} +entries: Doctrine\ORM\PersistentCollection {#4249 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4251 …} +entryComments: Doctrine\ORM\PersistentCollection {#4253 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4255 …} +posts: Doctrine\ORM\PersistentCollection {#4257 …} +postVotes: Doctrine\ORM\PersistentCollection {#4259 …} +postComments: Doctrine\ORM\PersistentCollection {#4261 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4263 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4265 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4267 …} +follows: Doctrine\ORM\PersistentCollection {#4269 …} +followers: Doctrine\ORM\PersistentCollection {#4271 …} +blocks: Doctrine\ORM\PersistentCollection {#4273 …} +blockers: Doctrine\ORM\PersistentCollection {#4275 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4277 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4279 …} +reports: Doctrine\ORM\PersistentCollection {#4281 …} +favourites: Doctrine\ORM\PersistentCollection {#4283 …} +violations: Doctrine\ORM\PersistentCollection {#4285 …} +notifications: Doctrine\ORM\PersistentCollection {#4287 …} +awards: Doctrine\ORM\PersistentCollection {#4289 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4291 …} +categories: Doctrine\ORM\PersistentCollection {#4293 …} -id: 9226 -password: "$2y$13$jwekzKCTw8B.VmLHL05LeOB5QbA8YqmxsvRJM8jjPOWS5PC2Bh/Q6" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4295 …} +apId: "empireOfLove@lemmy.one" +apProfileId: "https://lemmy.one/u/empireOfLove" +apPublicUrl: "https://lemmy.one/u/empireOfLove" +apFollowersUrl: null +apInboxUrl: "https://lemmy.one/inbox" +apDomain: "lemmy.one" +apPreferredUsername: "empireOfLove" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1725343425 {#4227 : 2024-09-03 08:03:45.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687529967 {#4228 : 2023-06-23 16:19:27.0 +02:00 } } +asLink: true } |
vote | App\Twig\Components\VoteComponent | 12.0 MiB | 0.61 ms | |
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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 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"M_Reimer@lemmy.world" +apProfileId: "https://lemmy.world/u/M_Reimer" +apPublicUrl: "https://lemmy.world/u/M_Reimer" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "M_Reimer" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1692619767 {#4153 : 2023-08-21 14:09:27.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687758897 {#4154 : 2023-06-26 07:54:57.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ The relay will cause a short voltage drop when switching. This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: "note that if you do have issues with the voltage fluctuating when the relay switches, you can often connect a ceramic capacitor across the coil contacts of ~1uF along with a small diode acting as a flyback connected in reverse polarity, and it’s enough to smooth out a good bit of that draw and/or switch-off flux pulse. Filtering saves lives" +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1690138136 {#4453 : 2023-07-23 20:48:56.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4463 …} +nested: Doctrine\ORM\PersistentCollection {#4459 …} +votes: Doctrine\ORM\PersistentCollection {#4461 …} +reports: Doctrine\ORM\PersistentCollection {#4466 …} +favourites: Doctrine\ORM\PersistentCollection {#4468 …} +notifications: Doctrine\ORM\PersistentCollection {#4470 …} -id: 23260 -bodyTs: "'1uf':28 'across':23 'act':34 'along':29 'and/or':55 'bit':51 'capacitor':22 'ceram':21 'coil':25 'connect':19,38 'contact':26 'diod':33 'draw':54 'enough':45 'filter':61 'fluctuat':11 'flux':59 'flyback':37 'good':50 'issu':7 'live':63 'note':1 'often':18 'polar':41 'puls':60 'relay':14 'revers':40 'save':62 'small':32 'smooth':47 'switch':15,57 'switch-off':56 'voltag':10" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.one/comment/1411249" +editedAt: DateTimeImmutable @1690140415 {#4450 : 2023-07-23 21:26:55.0 +02:00 } +createdAt: DateTimeImmutable @1690138136 {#4454 : 2023-07-23 20:48:56.0 +02:00 } } ] |
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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. 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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: "note that if you do have issues with the voltage fluctuating when the relay switches, you can often connect a ceramic capacitor across the coil contacts of ~1uF along with a small diode acting as a flyback connected in reverse polarity, and it’s enough to smooth out a good bit of that draw and/or switch-off flux pulse. 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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 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"M_Reimer@lemmy.world" +apProfileId: "https://lemmy.world/u/M_Reimer" +apPublicUrl: "https://lemmy.world/u/M_Reimer" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "M_Reimer" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1692619767 {#4153 : 2023-08-21 14:09:27.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687758897 {#4154 : 2023-06-26 07:54:57.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ The relay will cause a short voltage drop when switching. This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: "note that if you do have issues with the voltage fluctuating when the relay switches, you can often connect a ceramic capacitor across the coil contacts of ~1uF along with a small diode acting as a flyback connected in reverse polarity, and it’s enough to smooth out a good bit of that draw and/or switch-off flux pulse. Filtering saves lives" +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1690138136 {#4453 : 2023-07-23 20:48:56.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4463 …} +nested: Doctrine\ORM\PersistentCollection {#4459 …} +votes: Doctrine\ORM\PersistentCollection {#4461 …} +reports: Doctrine\ORM\PersistentCollection {#4466 …} +favourites: Doctrine\ORM\PersistentCollection {#4468 …} +notifications: Doctrine\ORM\PersistentCollection {#4470 …} -id: 23260 -bodyTs: "'1uf':28 'across':23 'act':34 'along':29 'and/or':55 'bit':51 'capacitor':22 'ceram':21 'coil':25 'connect':19,38 'contact':26 'diod':33 'draw':54 'enough':45 'filter':61 'fluctuat':11 'flux':59 'flyback':37 'good':50 'issu':7 'live':63 'note':1 'often':18 'polar':41 'puls':60 'relay':14 'revers':40 'save':62 'small':32 'smooth':47 'switch':15,57 'switch-off':56 'voltag':10" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.one/comment/1411249" +editedAt: DateTimeImmutable @1690140415 {#4450 : 2023-07-23 21:26:55.0 +02:00 } +createdAt: DateTimeImmutable @1690138136 {#4454 : 2023-07-23 20:48:56.0 +02:00 } } -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} } |
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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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"M_Reimer@lemmy.world" +apProfileId: "https://lemmy.world/u/M_Reimer" +apPublicUrl: "https://lemmy.world/u/M_Reimer" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "M_Reimer" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1692619767 {#4153 : 2023-08-21 14:09:27.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687758897 {#4154 : 2023-06-26 07:54:57.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ The relay will cause a short voltage drop when switching. This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: "note that if you do have issues with the voltage fluctuating when the relay switches, you can often connect a ceramic capacitor across the coil contacts of ~1uF along with a small diode acting as a flyback connected in reverse polarity, and it’s enough to smooth out a good bit of that draw and/or switch-off flux pulse. 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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 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"M_Reimer@lemmy.world" +apProfileId: "https://lemmy.world/u/M_Reimer" +apPublicUrl: "https://lemmy.world/u/M_Reimer" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "M_Reimer" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1692619767 {#4153 : 2023-08-21 14:09:27.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687758897 {#4154 : 2023-06-26 07:54:57.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ The relay will cause a short voltage drop when switching. This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: "note that if you do have issues with the voltage fluctuating when the relay switches, you can often connect a ceramic capacitor across the coil contacts of ~1uF along with a small diode acting as a flyback connected in reverse polarity, and it’s enough to smooth out a good bit of that draw and/or switch-off flux pulse. Filtering saves lives" +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1690138136 {#4453 : 2023-07-23 20:48:56.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4463 …} +nested: Doctrine\ORM\PersistentCollection {#4459 …} +votes: Doctrine\ORM\PersistentCollection {#4461 …} +reports: Doctrine\ORM\PersistentCollection {#4466 …} +favourites: Doctrine\ORM\PersistentCollection {#4468 …} +notifications: Doctrine\ORM\PersistentCollection {#4470 …} -id: 23260 -bodyTs: "'1uf':28 'across':23 'act':34 'along':29 'and/or':55 'bit':51 'capacitor':22 'ceram':21 'coil':25 'connect':19,38 'contact':26 'diod':33 'draw':54 'enough':45 'filter':61 'fluctuat':11 'flux':59 'flyback':37 'good':50 'issu':7 'live':63 'note':1 'often':18 'polar':41 'puls':60 'relay':14 'revers':40 'save':62 'small':32 'smooth':47 'switch':15,57 'switch-off':56 'voltag':10" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.one/comment/1411249" +editedAt: DateTimeImmutable @1690140415 {#4450 : 2023-07-23 21:26:55.0 +02:00 } +createdAt: DateTimeImmutable @1690138136 {#4454 : 2023-07-23 20:48:56.0 +02:00 } } +nestedComments: [] +level: 2 +view: "tree" -entryCommentRepository: App\Repository\EntryCommentRepository {#558 …} -twig: Twig\Environment {#1252 …} -security: Symfony\Bundle\SecurityBundle\Security {#1101 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} } |
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"https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 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"M_Reimer@lemmy.world" +apProfileId: "https://lemmy.world/u/M_Reimer" +apPublicUrl: "https://lemmy.world/u/M_Reimer" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "M_Reimer" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1692619767 {#4153 : 2023-08-21 14:09:27.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687758897 {#4154 : 2023-06-26 07:54:57.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ The relay will cause a short voltage drop when switching. This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: """ Thanks, I don’t think there are any external settings for the power supply, but it does provide a few more volts than I strictly need. Toggling a single relay hasn’t caused me any issues in the limited testing I’ve done. A momentary drop to as low as 5V should be perfectly fine, although, looking over the specs for my components, I see I’m getting dangerously close to the upper limits for the power supply’s current rating. I’ll have to look into connecting 2 supplies in parallel (or getting a larger supply) I suppose.\n \n I haven’t worked with battery backups yet, so I was thinking it would be best to keep that element simple to minimize potential issues like a trickle charge draining the battery unexpectedly, or damaging the battery from overcharge. The minimum requirement is just to ensure the hardware (a motorized ball valve) returns to a closed position if power is lost. The battery needs to provide at least 9V to power the motor, so I could use a 9V (or a few smaller cells in series) to keep it below the 12V supply.\n \n With your solution using a diode on each voltage source, would there be any risk of a trickle charge draining the battery unexpectedly if the battery? If so, in that configuration I’d need to do more research and figure out how to use a BMS, rather than an externally recharged or disposable cell. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690140298 {#4472 : 2023-07-23 21:24:58.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4475 …} +nested: Doctrine\ORM\PersistentCollection {#4477 …} +votes: Doctrine\ORM\PersistentCollection {#4479 …} +reports: Doctrine\ORM\PersistentCollection {#4481 …} +favourites: Doctrine\ORM\PersistentCollection {#4483 …} +notifications: Doctrine\ORM\PersistentCollection {#4485 …} -id: 23266 -bodyTs: "'12v':191 '2':89 '5v':51 '9v':168,178 'although':56 'backup':106 'ball':150 'batteri':105,131,136,162,214,218 'best':115 'bms':238 'caus':33 'cell':183,246 'charg':128,211 'close':70,155 'compon':63 'configur':223 'connect':88 'could':175 'current':80 'd':225 'damag':134 'danger':69 'diod':198 'dispos':245 'done':43 'drain':129,212 'drop':46 'element':119 'ensur':145 'extern':9,242 'figur':232 'fine':55 'get':68,94 'hardwar':147 'hasn':31 'haven':101 'issu':36,124 'keep':117,187 'larger':96 'least':167 'like':125 'limit':39,74 'll':83 'look':57,86 'lost':160 'low':49 'm':67 'minim':122 'minimum':140 'momentari':45 'motor':149,172 'need':26,163,226 'overcharg':138 'parallel':92 'perfect':54 'posit':156 'potenti':123 'power':13,77,158,170 'provid':18,165 'rate':81 'rather':239 'recharg':243 'relay':30 'requir':141 'research':230 'return':152 'risk':207 'see':65 'seri':185 'set':10 'simpl':120 'singl':29 'smaller':182 'solut':195 'sourc':202 'spec':60 'strict':25 'suppli':14,78,90,97,192 'suppos':99 'test':40 'thank':1 'think':5,111 'toggl':27 'trickl':127,210 'unexpect':132,215 'upper':73 'use':176,196,236 'valv':151 've':42 'volt':22 'voltag':201 'work':103 'would':113,203 'yet':107" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1279452" +editedAt: null +createdAt: DateTimeImmutable @1690140298 {#4473 : 2023-07-23 21:24:58.0 +02:00 } } "showNested" => true "level" => 2 "showEntryTitle" => false "showMagazineName" => false ] |
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+subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: Doctrine\ORM\PersistentCollection {#72 …} +awards: Doctrine\ORM\PersistentCollection {#61 …} +categories: Doctrine\ORM\PersistentCollection {#1820 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 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"M_Reimer@lemmy.world" +apProfileId: "https://lemmy.world/u/M_Reimer" +apPublicUrl: "https://lemmy.world/u/M_Reimer" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "M_Reimer" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1692619767 {#4153 : 2023-08-21 14:09:27.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687758897 {#4154 : 2023-06-26 07:54:57.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ The relay will cause a short voltage drop when switching. This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: """ Thanks, I don’t think there are any external settings for the power supply, but it does provide a few more volts than I strictly need. Toggling a single relay hasn’t caused me any issues in the limited testing I’ve done. A momentary drop to as low as 5V should be perfectly fine, although, looking over the specs for my components, I see I’m getting dangerously close to the upper limits for the power supply’s current rating. I’ll have to look into connecting 2 supplies in parallel (or getting a larger supply) I suppose.\n \n I haven’t worked with battery backups yet, so I was thinking it would be best to keep that element simple to minimize potential issues like a trickle charge draining the battery unexpectedly, or damaging the battery from overcharge. The minimum requirement is just to ensure the hardware (a motorized ball valve) returns to a closed position if power is lost. The battery needs to provide at least 9V to power the motor, so I could use a 9V (or a few smaller cells in series) to keep it below the 12V supply.\n \n With your solution using a diode on each voltage source, would there be any risk of a trickle charge draining the battery unexpectedly if the battery? If so, in that configuration I’d need to do more research and figure out how to use a BMS, rather than an externally recharged or disposable cell. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690140298 {#4472 : 2023-07-23 21:24:58.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4475 …} +nested: Doctrine\ORM\PersistentCollection {#4477 …} +votes: Doctrine\ORM\PersistentCollection {#4479 …} +reports: Doctrine\ORM\PersistentCollection {#4481 …} +favourites: Doctrine\ORM\PersistentCollection {#4483 …} +notifications: Doctrine\ORM\PersistentCollection {#4485 …} -id: 23266 -bodyTs: "'12v':191 '2':89 '5v':51 '9v':168,178 'although':56 'backup':106 'ball':150 'batteri':105,131,136,162,214,218 'best':115 'bms':238 'caus':33 'cell':183,246 'charg':128,211 'close':70,155 'compon':63 'configur':223 'connect':88 'could':175 'current':80 'd':225 'damag':134 'danger':69 'diod':198 'dispos':245 'done':43 'drain':129,212 'drop':46 'element':119 'ensur':145 'extern':9,242 'figur':232 'fine':55 'get':68,94 'hardwar':147 'hasn':31 'haven':101 'issu':36,124 'keep':117,187 'larger':96 'least':167 'like':125 'limit':39,74 'll':83 'look':57,86 'lost':160 'low':49 'm':67 'minim':122 'minimum':140 'momentari':45 'motor':149,172 'need':26,163,226 'overcharg':138 'parallel':92 'perfect':54 'posit':156 'potenti':123 'power':13,77,158,170 'provid':18,165 'rate':81 'rather':239 'recharg':243 'relay':30 'requir':141 'research':230 'return':152 'risk':207 'see':65 'seri':185 'set':10 'simpl':120 'singl':29 'smaller':182 'solut':195 'sourc':202 'spec':60 'strict':25 'suppli':14,78,90,97,192 'suppos':99 'test':40 'thank':1 'think':5,111 'toggl':27 'trickl':127,210 'unexpect':132,215 'upper':73 'use':176,196,236 'valv':151 've':42 'volt':22 'voltag':201 'work':103 'would':113,203 'yet':107" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1279452" +editedAt: null +createdAt: DateTimeImmutable @1690140298 {#4473 : 2023-07-23 21:24:58.0 +02:00 } } +showMagazineName: false +showEntryTitle: false +showNested: true +level: 2 +canSeeTrash: false +dateAsUrl: false -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} -authorizationChecker: Symfony\Component\Security\Core\Authorization\AuthorizationChecker {#931 …} } |
user_inline | App\Twig\Components\UserInlineComponent | 12.0 MiB | 0.25 ms | |
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date | App\Twig\Components\DateComponent | 12.0 MiB | 0.23 ms | |
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Component | App\Twig\Components\DateComponent {#8522 +date: DateTimeImmutable @1690140298 {#4473 : 2023-07-23 21:24:58.0 +02:00 } } |
date_edited | App\Twig\Components\DateEditedComponent | 12.0 MiB | 0.17 ms | |
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user_avatar | App\Twig\Components\UserAvatarComponent | 12.0 MiB | 0.24 ms | |
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vote | App\Twig\Components\VoteComponent | 12.0 MiB | 0.71 ms | |
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154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: Doctrine\ORM\PersistentCollection {#72 …} +awards: Doctrine\ORM\PersistentCollection {#61 …} +categories: Doctrine\ORM\PersistentCollection {#1820 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4155 +user: App\Entity\User {#4168 +avatar: null +cover: null +email: "M_Reimer@lemmy.world" +username: "@M_Reimer@lemmy.world" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1692619767 {#4152 : 2023-08-21 14:09:27.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false 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Doctrine\ORM\PersistentCollection {#4193 …} +follows: Doctrine\ORM\PersistentCollection {#4195 …} +followers: Doctrine\ORM\PersistentCollection {#4197 …} +blocks: Doctrine\ORM\PersistentCollection {#4199 …} +blockers: Doctrine\ORM\PersistentCollection {#4201 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4203 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4205 …} +reports: Doctrine\ORM\PersistentCollection {#4207 …} +favourites: Doctrine\ORM\PersistentCollection {#4209 …} +violations: Doctrine\ORM\PersistentCollection {#4211 …} +notifications: Doctrine\ORM\PersistentCollection {#4213 …} +awards: Doctrine\ORM\PersistentCollection {#4215 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4217 …} +categories: Doctrine\ORM\PersistentCollection {#4219 …} -id: 11196 -password: "$2y$13$FmgOU4pnDcL2OYNRIDI73.ySc/mZ56hTOiam56.7y3Wf6.XOQHZfe" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4221 …} +apId: "M_Reimer@lemmy.world" +apProfileId: "https://lemmy.world/u/M_Reimer" +apPublicUrl: "https://lemmy.world/u/M_Reimer" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "M_Reimer" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1692619767 {#4153 : 2023-08-21 14:09:27.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687758897 {#4154 : 2023-06-26 07:54:57.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ The relay will cause a short voltage drop when switching. This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: """ Thanks, I don’t think there are any external settings for the power supply, but it does provide a few more volts than I strictly need. Toggling a single relay hasn’t caused me any issues in the limited testing I’ve done. A momentary drop to as low as 5V should be perfectly fine, although, looking over the specs for my components, I see I’m getting dangerously close to the upper limits for the power supply’s current rating. I’ll have to look into connecting 2 supplies in parallel (or getting a larger supply) I suppose.\n \n I haven’t worked with battery backups yet, so I was thinking it would be best to keep that element simple to minimize potential issues like a trickle charge draining the battery unexpectedly, or damaging the battery from overcharge. The minimum requirement is just to ensure the hardware (a motorized ball valve) returns to a closed position if power is lost. The battery needs to provide at least 9V to power the motor, so I could use a 9V (or a few smaller cells in series) to keep it below the 12V supply.\n \n With your solution using a diode on each voltage source, would there be any risk of a trickle charge draining the battery unexpectedly if the battery? If so, in that configuration I’d need to do more research and figure out how to use a BMS, rather than an externally recharged or disposable cell. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690140298 {#4472 : 2023-07-23 21:24:58.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4475 …} +nested: Doctrine\ORM\PersistentCollection {#4477 …} +votes: Doctrine\ORM\PersistentCollection {#4479 …} +reports: Doctrine\ORM\PersistentCollection {#4481 …} +favourites: Doctrine\ORM\PersistentCollection {#4483 …} +notifications: Doctrine\ORM\PersistentCollection {#4485 …} -id: 23266 -bodyTs: "'12v':191 '2':89 '5v':51 '9v':168,178 'although':56 'backup':106 'ball':150 'batteri':105,131,136,162,214,218 'best':115 'bms':238 'caus':33 'cell':183,246 'charg':128,211 'close':70,155 'compon':63 'configur':223 'connect':88 'could':175 'current':80 'd':225 'damag':134 'danger':69 'diod':198 'dispos':245 'done':43 'drain':129,212 'drop':46 'element':119 'ensur':145 'extern':9,242 'figur':232 'fine':55 'get':68,94 'hardwar':147 'hasn':31 'haven':101 'issu':36,124 'keep':117,187 'larger':96 'least':167 'like':125 'limit':39,74 'll':83 'look':57,86 'lost':160 'low':49 'm':67 'minim':122 'minimum':140 'momentari':45 'motor':149,172 'need':26,163,226 'overcharg':138 'parallel':92 'perfect':54 'posit':156 'potenti':123 'power':13,77,158,170 'provid':18,165 'rate':81 'rather':239 'recharg':243 'relay':30 'requir':141 'research':230 'return':152 'risk':207 'see':65 'seri':185 'set':10 'simpl':120 'singl':29 'smaller':182 'solut':195 'sourc':202 'spec':60 'strict':25 'suppli':14,78,90,97,192 'suppos':99 'test':40 'thank':1 'think':5,111 'toggl':27 'trickl':127,210 'unexpect':132,215 'upper':73 'use':176,196,236 'valv':151 've':42 'volt':22 'voltag':201 'work':103 'would':113,203 'yet':107" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1279452" +editedAt: null +createdAt: DateTimeImmutable @1690140298 {#4473 : 2023-07-23 21:24:58.0 +02:00 } } ] |
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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: """ Thanks, I don’t think there are any external settings for the power supply, but it does provide a few more volts than I strictly need. Toggling a single relay hasn’t caused me any issues in the limited testing I’ve done. A momentary drop to as low as 5V should be perfectly fine, although, looking over the specs for my components, I see I’m getting dangerously close to the upper limits for the power supply’s current rating. I’ll have to look into connecting 2 supplies in parallel (or getting a larger supply) I suppose.\n \n I haven’t worked with battery backups yet, so I was thinking it would be best to keep that element simple to minimize potential issues like a trickle charge draining the battery unexpectedly, or damaging the battery from overcharge. The minimum requirement is just to ensure the hardware (a motorized ball valve) returns to a closed position if power is lost. The battery needs to provide at least 9V to power the motor, so I could use a 9V (or a few smaller cells in series) to keep it below the 12V supply.\n \n With your solution using a diode on each voltage source, would there be any risk of a trickle charge draining the battery unexpectedly if the battery? If so, in that configuration I’d need to do more research and figure out how to use a BMS, rather than an externally recharged or disposable cell. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690140298 {#4472 : 2023-07-23 21:24:58.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4475 …} +nested: Doctrine\ORM\PersistentCollection {#4477 …} +votes: Doctrine\ORM\PersistentCollection {#4479 …} +reports: Doctrine\ORM\PersistentCollection {#4481 …} +favourites: Doctrine\ORM\PersistentCollection {#4483 …} +notifications: Doctrine\ORM\PersistentCollection {#4485 …} -id: 23266 -bodyTs: "'12v':191 '2':89 '5v':51 '9v':168,178 'although':56 'backup':106 'ball':150 'batteri':105,131,136,162,214,218 'best':115 'bms':238 'caus':33 'cell':183,246 'charg':128,211 'close':70,155 'compon':63 'configur':223 'connect':88 'could':175 'current':80 'd':225 'damag':134 'danger':69 'diod':198 'dispos':245 'done':43 'drain':129,212 'drop':46 'element':119 'ensur':145 'extern':9,242 'figur':232 'fine':55 'get':68,94 'hardwar':147 'hasn':31 'haven':101 'issu':36,124 'keep':117,187 'larger':96 'least':167 'like':125 'limit':39,74 'll':83 'look':57,86 'lost':160 'low':49 'm':67 'minim':122 'minimum':140 'momentari':45 'motor':149,172 'need':26,163,226 'overcharg':138 'parallel':92 'perfect':54 'posit':156 'potenti':123 'power':13,77,158,170 'provid':18,165 'rate':81 'rather':239 'recharg':243 'relay':30 'requir':141 'research':230 'return':152 'risk':207 'see':65 'seri':185 'set':10 'simpl':120 'singl':29 'smaller':182 'solut':195 'sourc':202 'spec':60 'strict':25 'suppli':14,78,90,97,192 'suppos':99 'test':40 'thank':1 'think':5,111 'toggl':27 'trickl':127,210 'unexpect':132,215 'upper':73 'use':176,196,236 'valv':151 've':42 'volt':22 'voltag':201 'work':103 'would':113,203 'yet':107" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1279452" +editedAt: null +createdAt: DateTimeImmutable @1690140298 {#4473 : 2023-07-23 21:24:58.0 +02:00 } } +formDest: "entry_comment" +showDownvote: true -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} } |
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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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"M_Reimer@lemmy.world" +apProfileId: "https://lemmy.world/u/M_Reimer" +apPublicUrl: "https://lemmy.world/u/M_Reimer" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "M_Reimer" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1692619767 {#4153 : 2023-08-21 14:09:27.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687758897 {#4154 : 2023-06-26 07:54:57.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ The relay will cause a short voltage drop when switching. This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: """ Thanks, I don’t think there are any external settings for the power supply, but it does provide a few more volts than I strictly need. Toggling a single relay hasn’t caused me any issues in the limited testing I’ve done. A momentary drop to as low as 5V should be perfectly fine, although, looking over the specs for my components, I see I’m getting dangerously close to the upper limits for the power supply’s current rating. I’ll have to look into connecting 2 supplies in parallel (or getting a larger supply) I suppose.\n \n I haven’t worked with battery backups yet, so I was thinking it would be best to keep that element simple to minimize potential issues like a trickle charge draining the battery unexpectedly, or damaging the battery from overcharge. The minimum requirement is just to ensure the hardware (a motorized ball valve) returns to a closed position if power is lost. The battery needs to provide at least 9V to power the motor, so I could use a 9V (or a few smaller cells in series) to keep it below the 12V supply.\n \n With your solution using a diode on each voltage source, would there be any risk of a trickle charge draining the battery unexpectedly if the battery? If so, in that configuration I’d need to do more research and figure out how to use a BMS, rather than an externally recharged or disposable cell. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690140298 {#4472 : 2023-07-23 21:24:58.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4475 …} +nested: Doctrine\ORM\PersistentCollection {#4477 …} +votes: Doctrine\ORM\PersistentCollection {#4479 …} +reports: Doctrine\ORM\PersistentCollection {#4481 …} +favourites: Doctrine\ORM\PersistentCollection {#4483 …} +notifications: Doctrine\ORM\PersistentCollection {#4485 …} -id: 23266 -bodyTs: "'12v':191 '2':89 '5v':51 '9v':168,178 'although':56 'backup':106 'ball':150 'batteri':105,131,136,162,214,218 'best':115 'bms':238 'caus':33 'cell':183,246 'charg':128,211 'close':70,155 'compon':63 'configur':223 'connect':88 'could':175 'current':80 'd':225 'damag':134 'danger':69 'diod':198 'dispos':245 'done':43 'drain':129,212 'drop':46 'element':119 'ensur':145 'extern':9,242 'figur':232 'fine':55 'get':68,94 'hardwar':147 'hasn':31 'haven':101 'issu':36,124 'keep':117,187 'larger':96 'least':167 'like':125 'limit':39,74 'll':83 'look':57,86 'lost':160 'low':49 'm':67 'minim':122 'minimum':140 'momentari':45 'motor':149,172 'need':26,163,226 'overcharg':138 'parallel':92 'perfect':54 'posit':156 'potenti':123 'power':13,77,158,170 'provid':18,165 'rate':81 'rather':239 'recharg':243 'relay':30 'requir':141 'research':230 'return':152 'risk':207 'see':65 'seri':185 'set':10 'simpl':120 'singl':29 'smaller':182 'solut':195 'sourc':202 'spec':60 'strict':25 'suppli':14,78,90,97,192 'suppos':99 'test':40 'thank':1 'think':5,111 'toggl':27 'trickl':127,210 'unexpect':132,215 'upper':73 'use':176,196,236 'valv':151 've':42 'volt':22 'voltag':201 'work':103 'would':113,203 'yet':107" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1279452" +editedAt: null +createdAt: DateTimeImmutable @1690140298 {#4473 : 2023-07-23 21:24:58.0 +02:00 } } ] |
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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 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"M_Reimer@lemmy.world" +apProfileId: "https://lemmy.world/u/M_Reimer" +apPublicUrl: "https://lemmy.world/u/M_Reimer" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "M_Reimer" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1692619767 {#4153 : 2023-08-21 14:09:27.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687758897 {#4154 : 2023-06-26 07:54:57.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ The relay will cause a short voltage drop when switching. This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: """ Thanks, I don’t think there are any external settings for the power supply, but it does provide a few more volts than I strictly need. Toggling a single relay hasn’t caused me any issues in the limited testing I’ve done. A momentary drop to as low as 5V should be perfectly fine, although, looking over the specs for my components, I see I’m getting dangerously close to the upper limits for the power supply’s current rating. I’ll have to look into connecting 2 supplies in parallel (or getting a larger supply) I suppose.\n \n I haven’t worked with battery backups yet, so I was thinking it would be best to keep that element simple to minimize potential issues like a trickle charge draining the battery unexpectedly, or damaging the battery from overcharge. The minimum requirement is just to ensure the hardware (a motorized ball valve) returns to a closed position if power is lost. The battery needs to provide at least 9V to power the motor, so I could use a 9V (or a few smaller cells in series) to keep it below the 12V supply.\n \n With your solution using a diode on each voltage source, would there be any risk of a trickle charge draining the battery unexpectedly if the battery? If so, in that configuration I’d need to do more research and figure out how to use a BMS, rather than an externally recharged or disposable cell. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690140298 {#4472 : 2023-07-23 21:24:58.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4475 …} +nested: Doctrine\ORM\PersistentCollection {#4477 …} +votes: Doctrine\ORM\PersistentCollection {#4479 …} +reports: Doctrine\ORM\PersistentCollection {#4481 …} +favourites: Doctrine\ORM\PersistentCollection {#4483 …} +notifications: Doctrine\ORM\PersistentCollection {#4485 …} -id: 23266 -bodyTs: "'12v':191 '2':89 '5v':51 '9v':168,178 'although':56 'backup':106 'ball':150 'batteri':105,131,136,162,214,218 'best':115 'bms':238 'caus':33 'cell':183,246 'charg':128,211 'close':70,155 'compon':63 'configur':223 'connect':88 'could':175 'current':80 'd':225 'damag':134 'danger':69 'diod':198 'dispos':245 'done':43 'drain':129,212 'drop':46 'element':119 'ensur':145 'extern':9,242 'figur':232 'fine':55 'get':68,94 'hardwar':147 'hasn':31 'haven':101 'issu':36,124 'keep':117,187 'larger':96 'least':167 'like':125 'limit':39,74 'll':83 'look':57,86 'lost':160 'low':49 'm':67 'minim':122 'minimum':140 'momentari':45 'motor':149,172 'need':26,163,226 'overcharg':138 'parallel':92 'perfect':54 'posit':156 'potenti':123 'power':13,77,158,170 'provid':18,165 'rate':81 'rather':239 'recharg':243 'relay':30 'requir':141 'research':230 'return':152 'risk':207 'see':65 'seri':185 'set':10 'simpl':120 'singl':29 'smaller':182 'solut':195 'sourc':202 'spec':60 'strict':25 'suppli':14,78,90,97,192 'suppos':99 'test':40 'thank':1 'think':5,111 'toggl':27 'trickl':127,210 'unexpect':132,215 'upper':73 'use':176,196,236 'valv':151 've':42 'volt':22 'voltag':201 'work':103 'would':113,203 'yet':107" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1279452" +editedAt: null +createdAt: DateTimeImmutable @1690140298 {#4473 : 2023-07-23 21:24:58.0 +02:00 } } -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} } |
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"https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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"M_Reimer@lemmy.world" +apProfileId: "https://lemmy.world/u/M_Reimer" +apPublicUrl: "https://lemmy.world/u/M_Reimer" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "M_Reimer" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1692619767 {#4153 : 2023-08-21 14:09:27.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687758897 {#4154 : 2023-06-26 07:54:57.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ The relay will cause a short voltage drop when switching. This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: """ Thanks, I don’t think there are any external settings for the power supply, but it does provide a few more volts than I strictly need. Toggling a single relay hasn’t caused me any issues in the limited testing I’ve done. A momentary drop to as low as 5V should be perfectly fine, although, looking over the specs for my components, I see I’m getting dangerously close to the upper limits for the power supply’s current rating. I’ll have to look into connecting 2 supplies in parallel (or getting a larger supply) I suppose.\n \n I haven’t worked with battery backups yet, so I was thinking it would be best to keep that element simple to minimize potential issues like a trickle charge draining the battery unexpectedly, or damaging the battery from overcharge. The minimum requirement is just to ensure the hardware (a motorized ball valve) returns to a closed position if power is lost. The battery needs to provide at least 9V to power the motor, so I could use a 9V (or a few smaller cells in series) to keep it below the 12V supply.\n \n With your solution using a diode on each voltage source, would there be any risk of a trickle charge draining the battery unexpectedly if the battery? If so, in that configuration I’d need to do more research and figure out how to use a BMS, rather than an externally recharged or disposable cell. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690140298 {#4472 : 2023-07-23 21:24:58.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4475 …} +nested: Doctrine\ORM\PersistentCollection {#4477 …} +votes: Doctrine\ORM\PersistentCollection {#4479 …} +reports: Doctrine\ORM\PersistentCollection {#4481 …} +favourites: Doctrine\ORM\PersistentCollection {#4483 …} +notifications: Doctrine\ORM\PersistentCollection {#4485 …} -id: 23266 -bodyTs: "'12v':191 '2':89 '5v':51 '9v':168,178 'although':56 'backup':106 'ball':150 'batteri':105,131,136,162,214,218 'best':115 'bms':238 'caus':33 'cell':183,246 'charg':128,211 'close':70,155 'compon':63 'configur':223 'connect':88 'could':175 'current':80 'd':225 'damag':134 'danger':69 'diod':198 'dispos':245 'done':43 'drain':129,212 'drop':46 'element':119 'ensur':145 'extern':9,242 'figur':232 'fine':55 'get':68,94 'hardwar':147 'hasn':31 'haven':101 'issu':36,124 'keep':117,187 'larger':96 'least':167 'like':125 'limit':39,74 'll':83 'look':57,86 'lost':160 'low':49 'm':67 'minim':122 'minimum':140 'momentari':45 'motor':149,172 'need':26,163,226 'overcharg':138 'parallel':92 'perfect':54 'posit':156 'potenti':123 'power':13,77,158,170 'provid':18,165 'rate':81 'rather':239 'recharg':243 'relay':30 'requir':141 'research':230 'return':152 'risk':207 'see':65 'seri':185 'set':10 'simpl':120 'singl':29 'smaller':182 'solut':195 'sourc':202 'spec':60 'strict':25 'suppli':14,78,90,97,192 'suppos':99 'test':40 'thank':1 'think':5,111 'toggl':27 'trickl':127,210 'unexpect':132,215 'upper':73 'use':176,196,236 'valv':151 've':42 'volt':22 'voltag':201 'work':103 'would':113,203 'yet':107" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1279452" +editedAt: null +createdAt: DateTimeImmutable @1690140298 {#4473 : 2023-07-23 21:24:58.0 +02:00 } } "level" => 2 "showNested" => true "view" => "tree" ] |
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+subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: Doctrine\ORM\PersistentCollection {#72 …} +awards: Doctrine\ORM\PersistentCollection {#61 …} +categories: Doctrine\ORM\PersistentCollection {#1820 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: 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"M_Reimer@lemmy.world" +apProfileId: "https://lemmy.world/u/M_Reimer" +apPublicUrl: "https://lemmy.world/u/M_Reimer" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "M_Reimer" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1692619767 {#4153 : 2023-08-21 14:09:27.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687758897 {#4154 : 2023-06-26 07:54:57.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ The relay will cause a short voltage drop when switching. This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: """ Thanks, I don’t think there are any external settings for the power supply, but it does provide a few more volts than I strictly need. Toggling a single relay hasn’t caused me any issues in the limited testing I’ve done. A momentary drop to as low as 5V should be perfectly fine, although, looking over the specs for my components, I see I’m getting dangerously close to the upper limits for the power supply’s current rating. I’ll have to look into connecting 2 supplies in parallel (or getting a larger supply) I suppose.\n \n I haven’t worked with battery backups yet, so I was thinking it would be best to keep that element simple to minimize potential issues like a trickle charge draining the battery unexpectedly, or damaging the battery from overcharge. The minimum requirement is just to ensure the hardware (a motorized ball valve) returns to a closed position if power is lost. The battery needs to provide at least 9V to power the motor, so I could use a 9V (or a few smaller cells in series) to keep it below the 12V supply.\n \n With your solution using a diode on each voltage source, would there be any risk of a trickle charge draining the battery unexpectedly if the battery? If so, in that configuration I’d need to do more research and figure out how to use a BMS, rather than an externally recharged or disposable cell. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690140298 {#4472 : 2023-07-23 21:24:58.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4475 …} +nested: Doctrine\ORM\PersistentCollection {#4477 …} +votes: Doctrine\ORM\PersistentCollection {#4479 …} +reports: Doctrine\ORM\PersistentCollection {#4481 …} +favourites: Doctrine\ORM\PersistentCollection {#4483 …} +notifications: Doctrine\ORM\PersistentCollection {#4485 …} -id: 23266 -bodyTs: "'12v':191 '2':89 '5v':51 '9v':168,178 'although':56 'backup':106 'ball':150 'batteri':105,131,136,162,214,218 'best':115 'bms':238 'caus':33 'cell':183,246 'charg':128,211 'close':70,155 'compon':63 'configur':223 'connect':88 'could':175 'current':80 'd':225 'damag':134 'danger':69 'diod':198 'dispos':245 'done':43 'drain':129,212 'drop':46 'element':119 'ensur':145 'extern':9,242 'figur':232 'fine':55 'get':68,94 'hardwar':147 'hasn':31 'haven':101 'issu':36,124 'keep':117,187 'larger':96 'least':167 'like':125 'limit':39,74 'll':83 'look':57,86 'lost':160 'low':49 'm':67 'minim':122 'minimum':140 'momentari':45 'motor':149,172 'need':26,163,226 'overcharg':138 'parallel':92 'perfect':54 'posit':156 'potenti':123 'power':13,77,158,170 'provid':18,165 'rate':81 'rather':239 'recharg':243 'relay':30 'requir':141 'research':230 'return':152 'risk':207 'see':65 'seri':185 'set':10 'simpl':120 'singl':29 'smaller':182 'solut':195 'sourc':202 'spec':60 'strict':25 'suppli':14,78,90,97,192 'suppos':99 'test':40 'thank':1 'think':5,111 'toggl':27 'trickl':127,210 'unexpect':132,215 'upper':73 'use':176,196,236 'valv':151 've':42 'volt':22 'voltag':201 'work':103 'would':113,203 'yet':107" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1279452" +editedAt: null +createdAt: DateTimeImmutable @1690140298 {#4473 : 2023-07-23 21:24:58.0 +02:00 } } +nestedComments: [] +level: 2 +view: "tree" -entryCommentRepository: App\Repository\EntryCommentRepository {#558 …} -twig: Twig\Environment {#1252 …} -security: Symfony\Bundle\SecurityBundle\Security {#1101 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} } |
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circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: 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+url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 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true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4169 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4171 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4173 …} +entries: Doctrine\ORM\PersistentCollection {#4175 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4177 …} +entryComments: Doctrine\ORM\PersistentCollection {#4179 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4181 …} +posts: Doctrine\ORM\PersistentCollection {#4183 …} +postVotes: Doctrine\ORM\PersistentCollection {#4185 …} +postComments: Doctrine\ORM\PersistentCollection {#4187 …} 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"$2y$13$FmgOU4pnDcL2OYNRIDI73.ySc/mZ56hTOiam56.7y3Wf6.XOQHZfe" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4221 …} +apId: "M_Reimer@lemmy.world" +apProfileId: "https://lemmy.world/u/M_Reimer" +apPublicUrl: "https://lemmy.world/u/M_Reimer" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "M_Reimer" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1692619767 {#4153 : 2023-08-21 14:09:27.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687758897 {#4154 : 2023-06-26 07:54:57.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ The relay will cause a short voltage drop when switching. This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: """ Thanks, I don’t think there are any external settings for the power supply, but it does provide a few more volts than I strictly need. Toggling a single relay hasn’t caused me any issues in the limited testing I’ve done. A momentary drop to as low as 5V should be perfectly fine, although, looking over the specs for my components, I see I’m getting dangerously close to the upper limits for the power supply’s current rating. I’ll have to look into connecting 2 supplies in parallel (or getting a larger supply) I suppose.\n \n I haven’t worked with battery backups yet, so I was thinking it would be best to keep that element simple to minimize potential issues like a trickle charge draining the battery unexpectedly, or damaging the battery from overcharge. The minimum requirement is just to ensure the hardware (a motorized ball valve) returns to a closed position if power is lost. The battery needs to provide at least 9V to power the motor, so I could use a 9V (or a few smaller cells in series) to keep it below the 12V supply.\n \n With your solution using a diode on each voltage source, would there be any risk of a trickle charge draining the battery unexpectedly if the battery? If so, in that configuration I’d need to do more research and figure out how to use a BMS, rather than an externally recharged or disposable cell. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690140298 {#4472 : 2023-07-23 21:24:58.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4475 …} +nested: Doctrine\ORM\PersistentCollection {#4477 …} +votes: Doctrine\ORM\PersistentCollection {#4479 …} +reports: Doctrine\ORM\PersistentCollection {#4481 …} +favourites: Doctrine\ORM\PersistentCollection {#4483 …} +notifications: Doctrine\ORM\PersistentCollection {#4485 …} -id: 23266 -bodyTs: "'12v':191 '2':89 '5v':51 '9v':168,178 'although':56 'backup':106 'ball':150 'batteri':105,131,136,162,214,218 'best':115 'bms':238 'caus':33 'cell':183,246 'charg':128,211 'close':70,155 'compon':63 'configur':223 'connect':88 'could':175 'current':80 'd':225 'damag':134 'danger':69 'diod':198 'dispos':245 'done':43 'drain':129,212 'drop':46 'element':119 'ensur':145 'extern':9,242 'figur':232 'fine':55 'get':68,94 'hardwar':147 'hasn':31 'haven':101 'issu':36,124 'keep':117,187 'larger':96 'least':167 'like':125 'limit':39,74 'll':83 'look':57,86 'lost':160 'low':49 'm':67 'minim':122 'minimum':140 'momentari':45 'motor':149,172 'need':26,163,226 'overcharg':138 'parallel':92 'perfect':54 'posit':156 'potenti':123 'power':13,77,158,170 'provid':18,165 'rate':81 'rather':239 'recharg':243 'relay':30 'requir':141 'research':230 'return':152 'risk':207 'see':65 'seri':185 'set':10 'simpl':120 'singl':29 'smaller':182 'solut':195 'sourc':202 'spec':60 'strict':25 'suppli':14,78,90,97,192 'suppos':99 'test':40 'thank':1 'think':5,111 'toggl':27 'trickl':127,210 'unexpect':132,215 'upper':73 'use':176,196,236 'valv':151 've':42 'volt':22 'voltag':201 'work':103 'would':113,203 'yet':107" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1279452" +editedAt: null +createdAt: DateTimeImmutable @1690140298 {#4473 : 2023-07-23 21:24:58.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: """ > With your solution using a diode on each voltage source, would there be any risk of a trickle charge draining the battery unexpectedly if the battery?\n \n Current flows from high to low voltage, but the battery is at a lower voltage than the supply. Check the diode’s datasheet for the reverse current at the voltage that would be across it. It should be negligible\n \n Here’s an example from my notes:\n \n  """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150290 {#4545 : 2023-07-24 00:11:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4536 …} +nested: Doctrine\ORM\PersistentCollection {#4534 …} +votes: Doctrine\ORM\PersistentCollection {#4538 …} +reports: Doctrine\ORM\PersistentCollection {#4550 …} +favourites: Doctrine\ORM\PersistentCollection {#4552 …} +notifications: Doctrine\ORM\PersistentCollection {#4554 …} -id: 23281 -bodyTs: "'/pictrs/image/97a947f7-a757-49d5-8751-e33194983c87.png)':75 'across':60 'batteri':22,26,36 'charg':19 'check':45 'current':27,53 'datasheet':49 'diod':6,47 'drain':20 'exampl':69 'flow':28 'high':30 'lemmy.ml':74 'lemmy.ml/pictrs/image/97a947f7-a757-49d5-8751-e33194983c87.png)':73 'low':32 'lower':40 'neglig':65 'note':72 'revers':52 'risk':15 'solut':3 'sourc':10 'suppli':44 'trickl':18 'unexpect':23 'use':4 'voltag':9,33,41,56 'would':11,58" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.ml/comment/1904148" +editedAt: null +createdAt: DateTimeImmutable @1690150290 {#4548 : 2023-07-24 00:11:30.0 +02:00 } } "showNested" => true "level" => 3 "showEntryTitle" => false "showMagazineName" => false ] |
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**For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: 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"Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: 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true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4169 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4171 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4173 …} +entries: Doctrine\ORM\PersistentCollection {#4175 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4177 …} +entryComments: Doctrine\ORM\PersistentCollection {#4179 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4181 …} +posts: Doctrine\ORM\PersistentCollection {#4183 …} +postVotes: Doctrine\ORM\PersistentCollection {#4185 …} +postComments: Doctrine\ORM\PersistentCollection {#4187 …} 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"$2y$13$FmgOU4pnDcL2OYNRIDI73.ySc/mZ56hTOiam56.7y3Wf6.XOQHZfe" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4221 …} +apId: "M_Reimer@lemmy.world" +apProfileId: "https://lemmy.world/u/M_Reimer" +apPublicUrl: "https://lemmy.world/u/M_Reimer" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "M_Reimer" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1692619767 {#4153 : 2023-08-21 14:09:27.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687758897 {#4154 : 2023-06-26 07:54:57.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ The relay will cause a short voltage drop when switching. This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: """ Thanks, I don’t think there are any external settings for the power supply, but it does provide a few more volts than I strictly need. Toggling a single relay hasn’t caused me any issues in the limited testing I’ve done. A momentary drop to as low as 5V should be perfectly fine, although, looking over the specs for my components, I see I’m getting dangerously close to the upper limits for the power supply’s current rating. I’ll have to look into connecting 2 supplies in parallel (or getting a larger supply) I suppose.\n \n I haven’t worked with battery backups yet, so I was thinking it would be best to keep that element simple to minimize potential issues like a trickle charge draining the battery unexpectedly, or damaging the battery from overcharge. The minimum requirement is just to ensure the hardware (a motorized ball valve) returns to a closed position if power is lost. The battery needs to provide at least 9V to power the motor, so I could use a 9V (or a few smaller cells in series) to keep it below the 12V supply.\n \n With your solution using a diode on each voltage source, would there be any risk of a trickle charge draining the battery unexpectedly if the battery? If so, in that configuration I’d need to do more research and figure out how to use a BMS, rather than an externally recharged or disposable cell. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690140298 {#4472 : 2023-07-23 21:24:58.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4475 …} +nested: Doctrine\ORM\PersistentCollection {#4477 …} +votes: Doctrine\ORM\PersistentCollection {#4479 …} +reports: Doctrine\ORM\PersistentCollection {#4481 …} +favourites: Doctrine\ORM\PersistentCollection {#4483 …} +notifications: Doctrine\ORM\PersistentCollection {#4485 …} -id: 23266 -bodyTs: "'12v':191 '2':89 '5v':51 '9v':168,178 'although':56 'backup':106 'ball':150 'batteri':105,131,136,162,214,218 'best':115 'bms':238 'caus':33 'cell':183,246 'charg':128,211 'close':70,155 'compon':63 'configur':223 'connect':88 'could':175 'current':80 'd':225 'damag':134 'danger':69 'diod':198 'dispos':245 'done':43 'drain':129,212 'drop':46 'element':119 'ensur':145 'extern':9,242 'figur':232 'fine':55 'get':68,94 'hardwar':147 'hasn':31 'haven':101 'issu':36,124 'keep':117,187 'larger':96 'least':167 'like':125 'limit':39,74 'll':83 'look':57,86 'lost':160 'low':49 'm':67 'minim':122 'minimum':140 'momentari':45 'motor':149,172 'need':26,163,226 'overcharg':138 'parallel':92 'perfect':54 'posit':156 'potenti':123 'power':13,77,158,170 'provid':18,165 'rate':81 'rather':239 'recharg':243 'relay':30 'requir':141 'research':230 'return':152 'risk':207 'see':65 'seri':185 'set':10 'simpl':120 'singl':29 'smaller':182 'solut':195 'sourc':202 'spec':60 'strict':25 'suppli':14,78,90,97,192 'suppos':99 'test':40 'thank':1 'think':5,111 'toggl':27 'trickl':127,210 'unexpect':132,215 'upper':73 'use':176,196,236 'valv':151 've':42 'volt':22 'voltag':201 'work':103 'would':113,203 'yet':107" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1279452" +editedAt: null +createdAt: DateTimeImmutable @1690140298 {#4473 : 2023-07-23 21:24:58.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: """ > With your solution using a diode on each voltage source, would there be any risk of a trickle charge draining the battery unexpectedly if the battery?\n \n Current flows from high to low voltage, but the battery is at a lower voltage than the supply. Check the diode’s datasheet for the reverse current at the voltage that would be across it. It should be negligible\n \n Here’s an example from my notes:\n \n  """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150290 {#4545 : 2023-07-24 00:11:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4536 …} +nested: Doctrine\ORM\PersistentCollection {#4534 …} +votes: Doctrine\ORM\PersistentCollection {#4538 …} +reports: Doctrine\ORM\PersistentCollection {#4550 …} +favourites: Doctrine\ORM\PersistentCollection {#4552 …} +notifications: Doctrine\ORM\PersistentCollection {#4554 …} -id: 23281 -bodyTs: "'/pictrs/image/97a947f7-a757-49d5-8751-e33194983c87.png)':75 'across':60 'batteri':22,26,36 'charg':19 'check':45 'current':27,53 'datasheet':49 'diod':6,47 'drain':20 'exampl':69 'flow':28 'high':30 'lemmy.ml':74 'lemmy.ml/pictrs/image/97a947f7-a757-49d5-8751-e33194983c87.png)':73 'low':32 'lower':40 'neglig':65 'note':72 'revers':52 'risk':15 'solut':3 'sourc':10 'suppli':44 'trickl':18 'unexpect':23 'use':4 'voltag':9,33,41,56 'would':11,58" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.ml/comment/1904148" +editedAt: null +createdAt: DateTimeImmutable @1690150290 {#4548 : 2023-07-24 00:11:30.0 +02:00 } } +showMagazineName: false +showEntryTitle: false +showNested: true +level: 3 +canSeeTrash: false +dateAsUrl: false -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} -authorizationChecker: Symfony\Component\Security\Core\Authorization\AuthorizationChecker {#931 …} } |
user_inline | App\Twig\Components\UserInlineComponent | 12.0 MiB | 0.60 ms | |
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Input props | [ "user" => Proxies\__CG__\App\Entity\User {#4540 +avatar: null +cover: null +email: "glibg10b@lemmy.ml" +username: "@glibg10b@lemmy.ml" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1729159701 {#9141 : 2024-10-17 12:08:21.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#9144 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#9146 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#9148 …} +entries: Doctrine\ORM\PersistentCollection {#9150 …} +entryVotes: Doctrine\ORM\PersistentCollection {#9152 …} +entryComments: Doctrine\ORM\PersistentCollection {#9154 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#9156 …} +posts: Doctrine\ORM\PersistentCollection {#9158 …} +postVotes: Doctrine\ORM\PersistentCollection {#9160 …} +postComments: Doctrine\ORM\PersistentCollection {#9162 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#9164 …} +subscriptions: Doctrine\ORM\PersistentCollection {#9166 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#9168 …} +follows: Doctrine\ORM\PersistentCollection {#9170 …} +followers: Doctrine\ORM\PersistentCollection {#9172 …} +blocks: Doctrine\ORM\PersistentCollection {#9174 …} +blockers: Doctrine\ORM\PersistentCollection {#9176 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#9178 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#9180 …} +reports: Doctrine\ORM\PersistentCollection {#9182 …} +favourites: Doctrine\ORM\PersistentCollection {#9184 …} +violations: Doctrine\ORM\PersistentCollection {#9186 …} +notifications: Doctrine\ORM\PersistentCollection {#9188 …} +awards: Doctrine\ORM\PersistentCollection {#9190 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#9192 …} +categories: Doctrine\ORM\PersistentCollection {#9194 …} -id: 3332 -password: "$2y$13$3tz5Waay0r9JIVzV6RzcTuZrFi84ithdQMHgcmYp4hwWm1MW0KiTe" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#9196 …} +apId: "glibg10b@lemmy.ml" +apProfileId: "https://lemmy.ml/u/glibg10b" +apPublicUrl: "https://lemmy.ml/u/glibg10b" +apFollowersUrl: null +apInboxUrl: "https://lemmy.ml/inbox" +apDomain: "lemmy.ml" +apPreferredUsername: "glibg10b" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1729034083 {#9142 : 2024-10-16 01:14:43.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687067942 {#9143 : 2023-06-18 07:59:02.0 +02:00 } +__isInitialized__: true …2 } "showAvatar" => false ] |
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Attributes | [] |
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Component | App\Twig\Components\UserInlineComponent {#9104 +user: Proxies\__CG__\App\Entity\User {#4540 +avatar: null +cover: null +email: "glibg10b@lemmy.ml" +username: "@glibg10b@lemmy.ml" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1729159701 {#9141 : 2024-10-17 12:08:21.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#9144 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#9146 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#9148 …} +entries: Doctrine\ORM\PersistentCollection {#9150 …} +entryVotes: Doctrine\ORM\PersistentCollection {#9152 …} +entryComments: Doctrine\ORM\PersistentCollection {#9154 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#9156 …} +posts: Doctrine\ORM\PersistentCollection {#9158 …} +postVotes: Doctrine\ORM\PersistentCollection {#9160 …} +postComments: Doctrine\ORM\PersistentCollection {#9162 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#9164 …} +subscriptions: Doctrine\ORM\PersistentCollection {#9166 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#9168 …} +follows: Doctrine\ORM\PersistentCollection {#9170 …} +followers: Doctrine\ORM\PersistentCollection {#9172 …} +blocks: Doctrine\ORM\PersistentCollection {#9174 …} +blockers: Doctrine\ORM\PersistentCollection {#9176 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#9178 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#9180 …} +reports: Doctrine\ORM\PersistentCollection {#9182 …} +favourites: Doctrine\ORM\PersistentCollection {#9184 …} +violations: Doctrine\ORM\PersistentCollection {#9186 …} +notifications: Doctrine\ORM\PersistentCollection {#9188 …} +awards: Doctrine\ORM\PersistentCollection {#9190 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#9192 …} +categories: Doctrine\ORM\PersistentCollection {#9194 …} -id: 3332 -password: "$2y$13$3tz5Waay0r9JIVzV6RzcTuZrFi84ithdQMHgcmYp4hwWm1MW0KiTe" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#9196 …} +apId: "glibg10b@lemmy.ml" +apProfileId: "https://lemmy.ml/u/glibg10b" +apPublicUrl: "https://lemmy.ml/u/glibg10b" +apFollowersUrl: null +apInboxUrl: "https://lemmy.ml/inbox" +apDomain: "lemmy.ml" +apPreferredUsername: "glibg10b" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1729034083 {#9142 : 2024-10-16 01:14:43.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687067942 {#9143 : 2023-06-18 07:59:02.0 +02:00 } +__isInitialized__: true …2 } +showAvatar: false } |
date | App\Twig\Components\DateComponent | 12.0 MiB | 0.54 ms | |
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Input props | [ "date" => DateTimeImmutable @1690150290 {#4548 : 2023-07-24 00:11:30.0 +02:00 } ] |
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Attributes | [] |
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Component | App\Twig\Components\DateComponent {#9217 +date: DateTimeImmutable @1690150290 {#4548 : 2023-07-24 00:11:30.0 +02:00 } } |
date_edited | App\Twig\Components\DateEditedComponent | 12.0 MiB | 0.09 ms | |
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Input props | [ "createdAt" => DateTimeImmutable @1690150290 {#4548 : 2023-07-24 00:11:30.0 +02:00 } "editedAt" => null ] |
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Attributes | [] |
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Component | App\Twig\Components\DateEditedComponent {#9271 +createdAt: DateTimeImmutable @1690150290 {#4548 : 2023-07-24 00:11:30.0 +02:00 } +editedAt: null } |
user_avatar | App\Twig\Components\UserAvatarComponent | 12.0 MiB | 0.18 ms | |
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Input props | [ "user" => Proxies\__CG__\App\Entity\User {#4540 +avatar: null +cover: null +email: "glibg10b@lemmy.ml" +username: "@glibg10b@lemmy.ml" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1729159701 {#9141 : 2024-10-17 12:08:21.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#9144 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#9146 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#9148 …} +entries: Doctrine\ORM\PersistentCollection {#9150 …} +entryVotes: Doctrine\ORM\PersistentCollection {#9152 …} +entryComments: Doctrine\ORM\PersistentCollection {#9154 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#9156 …} +posts: Doctrine\ORM\PersistentCollection {#9158 …} +postVotes: Doctrine\ORM\PersistentCollection {#9160 …} +postComments: Doctrine\ORM\PersistentCollection {#9162 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#9164 …} +subscriptions: Doctrine\ORM\PersistentCollection {#9166 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#9168 …} +follows: Doctrine\ORM\PersistentCollection {#9170 …} +followers: Doctrine\ORM\PersistentCollection {#9172 …} +blocks: Doctrine\ORM\PersistentCollection {#9174 …} +blockers: Doctrine\ORM\PersistentCollection {#9176 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#9178 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#9180 …} +reports: Doctrine\ORM\PersistentCollection {#9182 …} +favourites: Doctrine\ORM\PersistentCollection {#9184 …} +violations: Doctrine\ORM\PersistentCollection {#9186 …} +notifications: Doctrine\ORM\PersistentCollection {#9188 …} +awards: Doctrine\ORM\PersistentCollection {#9190 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#9192 …} +categories: Doctrine\ORM\PersistentCollection {#9194 …} -id: 3332 -password: "$2y$13$3tz5Waay0r9JIVzV6RzcTuZrFi84ithdQMHgcmYp4hwWm1MW0KiTe" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#9196 …} +apId: "glibg10b@lemmy.ml" +apProfileId: "https://lemmy.ml/u/glibg10b" +apPublicUrl: "https://lemmy.ml/u/glibg10b" +apFollowersUrl: null +apInboxUrl: "https://lemmy.ml/inbox" +apDomain: "lemmy.ml" +apPreferredUsername: "glibg10b" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1729034083 {#9142 : 2024-10-16 01:14:43.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687067942 {#9143 : 2023-06-18 07:59:02.0 +02:00 } +__isInitialized__: true …2 } "width" => 40 "height" => 40 "asLink" => true ] |
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Attributes | [] |
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Component | App\Twig\Components\UserAvatarComponent {#9325 +width: 40 +height: 40 +user: Proxies\__CG__\App\Entity\User {#4540 +avatar: null +cover: null +email: "glibg10b@lemmy.ml" +username: "@glibg10b@lemmy.ml" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1729159701 {#9141 : 2024-10-17 12:08:21.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#9144 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#9146 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#9148 …} +entries: Doctrine\ORM\PersistentCollection {#9150 …} +entryVotes: Doctrine\ORM\PersistentCollection {#9152 …} +entryComments: Doctrine\ORM\PersistentCollection {#9154 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#9156 …} +posts: Doctrine\ORM\PersistentCollection {#9158 …} +postVotes: Doctrine\ORM\PersistentCollection {#9160 …} +postComments: Doctrine\ORM\PersistentCollection {#9162 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#9164 …} +subscriptions: Doctrine\ORM\PersistentCollection {#9166 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#9168 …} +follows: Doctrine\ORM\PersistentCollection {#9170 …} +followers: Doctrine\ORM\PersistentCollection {#9172 …} +blocks: Doctrine\ORM\PersistentCollection {#9174 …} +blockers: Doctrine\ORM\PersistentCollection {#9176 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#9178 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#9180 …} +reports: Doctrine\ORM\PersistentCollection {#9182 …} +favourites: Doctrine\ORM\PersistentCollection {#9184 …} +violations: Doctrine\ORM\PersistentCollection {#9186 …} +notifications: Doctrine\ORM\PersistentCollection {#9188 …} +awards: Doctrine\ORM\PersistentCollection {#9190 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#9192 …} +categories: Doctrine\ORM\PersistentCollection {#9194 …} -id: 3332 -password: "$2y$13$3tz5Waay0r9JIVzV6RzcTuZrFi84ithdQMHgcmYp4hwWm1MW0KiTe" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#9196 …} +apId: "glibg10b@lemmy.ml" +apProfileId: "https://lemmy.ml/u/glibg10b" +apPublicUrl: "https://lemmy.ml/u/glibg10b" +apFollowersUrl: null +apInboxUrl: "https://lemmy.ml/inbox" +apDomain: "lemmy.ml" +apPreferredUsername: "glibg10b" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1729034083 {#9142 : 2024-10-16 01:14:43.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687067942 {#9143 : 2023-06-18 07:59:02.0 +02:00 } +__isInitialized__: true …2 } +asLink: true } |
vote | App\Twig\Components\VoteComponent | 12.0 MiB | 0.83 ms | |
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Input props | [ "subject" => App\Entity\EntryComment {#4544 +user: Proxies\__CG__\App\Entity\User {#4540 +avatar: null +cover: null +email: "glibg10b@lemmy.ml" +username: "@glibg10b@lemmy.ml" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1729159701 {#9141 : 2024-10-17 12:08:21.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#9144 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#9146 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#9148 …} +entries: Doctrine\ORM\PersistentCollection {#9150 …} +entryVotes: Doctrine\ORM\PersistentCollection {#9152 …} +entryComments: Doctrine\ORM\PersistentCollection {#9154 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#9156 …} +posts: Doctrine\ORM\PersistentCollection {#9158 …} +postVotes: Doctrine\ORM\PersistentCollection {#9160 …} +postComments: Doctrine\ORM\PersistentCollection {#9162 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#9164 …} +subscriptions: Doctrine\ORM\PersistentCollection {#9166 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#9168 …} +follows: Doctrine\ORM\PersistentCollection {#9170 …} +followers: Doctrine\ORM\PersistentCollection {#9172 …} +blocks: Doctrine\ORM\PersistentCollection {#9174 …} +blockers: Doctrine\ORM\PersistentCollection {#9176 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#9178 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#9180 …} +reports: Doctrine\ORM\PersistentCollection {#9182 …} +favourites: Doctrine\ORM\PersistentCollection {#9184 …} +violations: Doctrine\ORM\PersistentCollection {#9186 …} +notifications: Doctrine\ORM\PersistentCollection {#9188 …} +awards: Doctrine\ORM\PersistentCollection {#9190 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#9192 …} +categories: Doctrine\ORM\PersistentCollection {#9194 …} -id: 3332 -password: "$2y$13$3tz5Waay0r9JIVzV6RzcTuZrFi84ithdQMHgcmYp4hwWm1MW0KiTe" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#9196 …} +apId: "glibg10b@lemmy.ml" +apProfileId: "https://lemmy.ml/u/glibg10b" +apPublicUrl: "https://lemmy.ml/u/glibg10b" +apFollowersUrl: null +apInboxUrl: "https://lemmy.ml/inbox" +apDomain: "lemmy.ml" +apPreferredUsername: "glibg10b" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1729034083 {#9142 : 2024-10-16 01:14:43.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687067942 {#9143 : 2023-06-18 07:59:02.0 +02:00 } +__isInitialized__: true …2 } +entry: App\Entity\Entry {#2388 +user: Proxies\__CG__\App\Entity\User {#1943 +avatar: null +cover: null +email: "trafguy@midwest.social" +username: "@trafguy@midwest.social" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1701527013 {#1516 : 2023-12-02 15:23:33.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#1632 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#1406 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#1713 …} +entries: Doctrine\ORM\PersistentCollection {#1710 …} +entryVotes: Doctrine\ORM\PersistentCollection {#1742 …} +entryComments: Doctrine\ORM\PersistentCollection {#1659 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#1470 …} +posts: Doctrine\ORM\PersistentCollection {#1746 …} +postVotes: Doctrine\ORM\PersistentCollection {#1490 …} +postComments: Doctrine\ORM\PersistentCollection {#1772 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#1622 …} +subscriptions: Doctrine\ORM\PersistentCollection {#1758 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#1450 …} +follows: Doctrine\ORM\PersistentCollection {#1422 …} +followers: Doctrine\ORM\PersistentCollection {#1660 …} +blocks: Doctrine\ORM\PersistentCollection {#1454 …} +blockers: Doctrine\ORM\PersistentCollection {#1425 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#1439 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#1428 …} +reports: Doctrine\ORM\PersistentCollection {#1461 …} +favourites: Doctrine\ORM\PersistentCollection {#1438 …} +violations: Doctrine\ORM\PersistentCollection {#1697 …} +notifications: Doctrine\ORM\PersistentCollection {#1690 …} +awards: Doctrine\ORM\PersistentCollection {#1429 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#1612 …} +categories: Doctrine\ORM\PersistentCollection {#1675 …} -id: 30753 -password: "$2y$13$V.iCe02RTvsCKlk9VR8eyO/XOHNlerws30k4pHsZdtecSqn5repUW" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1668 …} +apId: "trafguy@midwest.social" +apProfileId: "https://midwest.social/u/trafguy" +apPublicUrl: "https://midwest.social/u/trafguy" +apFollowersUrl: null +apInboxUrl: "https://midwest.social/inbox" +apDomain: "midwest.social" +apPreferredUsername: "trafguy" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1705341170 {#1537 : 2024-01-15 18:52:50.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1689652756 {#1515 : 2023-07-18 05:59:16.0 +02:00 } +__isInitialized__: true …2 } +magazine: App\Entity\Magazine {#266 +icon: Proxies\__CG__\App\Entity\Image {#247 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: Doctrine\ORM\PersistentCollection {#72 …} +awards: Doctrine\ORM\PersistentCollection {#61 …} +categories: Doctrine\ORM\PersistentCollection {#1820 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 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true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4169 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4171 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4173 …} +entries: Doctrine\ORM\PersistentCollection {#4175 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4177 …} +entryComments: Doctrine\ORM\PersistentCollection {#4179 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4181 …} +posts: Doctrine\ORM\PersistentCollection {#4183 …} +postVotes: Doctrine\ORM\PersistentCollection {#4185 …} +postComments: Doctrine\ORM\PersistentCollection {#4187 …} 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"$2y$13$FmgOU4pnDcL2OYNRIDI73.ySc/mZ56hTOiam56.7y3Wf6.XOQHZfe" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4221 …} +apId: "M_Reimer@lemmy.world" +apProfileId: "https://lemmy.world/u/M_Reimer" +apPublicUrl: "https://lemmy.world/u/M_Reimer" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "M_Reimer" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1692619767 {#4153 : 2023-08-21 14:09:27.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687758897 {#4154 : 2023-06-26 07:54:57.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ The relay will cause a short voltage drop when switching. This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: """ Thanks, I don’t think there are any external settings for the power supply, but it does provide a few more volts than I strictly need. Toggling a single relay hasn’t caused me any issues in the limited testing I’ve done. A momentary drop to as low as 5V should be perfectly fine, although, looking over the specs for my components, I see I’m getting dangerously close to the upper limits for the power supply’s current rating. I’ll have to look into connecting 2 supplies in parallel (or getting a larger supply) I suppose.\n \n I haven’t worked with battery backups yet, so I was thinking it would be best to keep that element simple to minimize potential issues like a trickle charge draining the battery unexpectedly, or damaging the battery from overcharge. The minimum requirement is just to ensure the hardware (a motorized ball valve) returns to a closed position if power is lost. The battery needs to provide at least 9V to power the motor, so I could use a 9V (or a few smaller cells in series) to keep it below the 12V supply.\n \n With your solution using a diode on each voltage source, would there be any risk of a trickle charge draining the battery unexpectedly if the battery? If so, in that configuration I’d need to do more research and figure out how to use a BMS, rather than an externally recharged or disposable cell. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690140298 {#4472 : 2023-07-23 21:24:58.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4475 …} +nested: Doctrine\ORM\PersistentCollection {#4477 …} +votes: Doctrine\ORM\PersistentCollection {#4479 …} +reports: Doctrine\ORM\PersistentCollection {#4481 …} +favourites: Doctrine\ORM\PersistentCollection {#4483 …} +notifications: Doctrine\ORM\PersistentCollection {#4485 …} -id: 23266 -bodyTs: "'12v':191 '2':89 '5v':51 '9v':168,178 'although':56 'backup':106 'ball':150 'batteri':105,131,136,162,214,218 'best':115 'bms':238 'caus':33 'cell':183,246 'charg':128,211 'close':70,155 'compon':63 'configur':223 'connect':88 'could':175 'current':80 'd':225 'damag':134 'danger':69 'diod':198 'dispos':245 'done':43 'drain':129,212 'drop':46 'element':119 'ensur':145 'extern':9,242 'figur':232 'fine':55 'get':68,94 'hardwar':147 'hasn':31 'haven':101 'issu':36,124 'keep':117,187 'larger':96 'least':167 'like':125 'limit':39,74 'll':83 'look':57,86 'lost':160 'low':49 'm':67 'minim':122 'minimum':140 'momentari':45 'motor':149,172 'need':26,163,226 'overcharg':138 'parallel':92 'perfect':54 'posit':156 'potenti':123 'power':13,77,158,170 'provid':18,165 'rate':81 'rather':239 'recharg':243 'relay':30 'requir':141 'research':230 'return':152 'risk':207 'see':65 'seri':185 'set':10 'simpl':120 'singl':29 'smaller':182 'solut':195 'sourc':202 'spec':60 'strict':25 'suppli':14,78,90,97,192 'suppos':99 'test':40 'thank':1 'think':5,111 'toggl':27 'trickl':127,210 'unexpect':132,215 'upper':73 'use':176,196,236 'valv':151 've':42 'volt':22 'voltag':201 'work':103 'would':113,203 'yet':107" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1279452" +editedAt: null +createdAt: DateTimeImmutable @1690140298 {#4473 : 2023-07-23 21:24:58.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: """ > With your solution using a diode on each voltage source, would there be any risk of a trickle charge draining the battery unexpectedly if the battery?\n \n Current flows from high to low voltage, but the battery is at a lower voltage than the supply. Check the diode’s datasheet for the reverse current at the voltage that would be across it. It should be negligible\n \n Here’s an example from my notes:\n \n  """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150290 {#4545 : 2023-07-24 00:11:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4536 …} +nested: Doctrine\ORM\PersistentCollection {#4534 …} +votes: Doctrine\ORM\PersistentCollection {#4538 …} +reports: Doctrine\ORM\PersistentCollection {#4550 …} +favourites: Doctrine\ORM\PersistentCollection {#4552 …} +notifications: Doctrine\ORM\PersistentCollection {#4554 …} -id: 23281 -bodyTs: "'/pictrs/image/97a947f7-a757-49d5-8751-e33194983c87.png)':75 'across':60 'batteri':22,26,36 'charg':19 'check':45 'current':27,53 'datasheet':49 'diod':6,47 'drain':20 'exampl':69 'flow':28 'high':30 'lemmy.ml':74 'lemmy.ml/pictrs/image/97a947f7-a757-49d5-8751-e33194983c87.png)':73 'low':32 'lower':40 'neglig':65 'note':72 'revers':52 'risk':15 'solut':3 'sourc':10 'suppli':44 'trickl':18 'unexpect':23 'use':4 'voltag':9,33,41,56 'would':11,58" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.ml/comment/1904148" +editedAt: null +createdAt: DateTimeImmutable @1690150290 {#4548 : 2023-07-24 00:11:30.0 +02:00 } } ] |
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+url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4169 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4171 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4173 …} +entries: Doctrine\ORM\PersistentCollection {#4175 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4177 …} +entryComments: Doctrine\ORM\PersistentCollection {#4179 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4181 …} +posts: Doctrine\ORM\PersistentCollection {#4183 …} +postVotes: Doctrine\ORM\PersistentCollection {#4185 …} +postComments: Doctrine\ORM\PersistentCollection {#4187 …} 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"$2y$13$FmgOU4pnDcL2OYNRIDI73.ySc/mZ56hTOiam56.7y3Wf6.XOQHZfe" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4221 …} +apId: "M_Reimer@lemmy.world" +apProfileId: "https://lemmy.world/u/M_Reimer" +apPublicUrl: "https://lemmy.world/u/M_Reimer" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "M_Reimer" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1692619767 {#4153 : 2023-08-21 14:09:27.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687758897 {#4154 : 2023-06-26 07:54:57.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ The relay will cause a short voltage drop when switching. This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: """ Thanks, I don’t think there are any external settings for the power supply, but it does provide a few more volts than I strictly need. Toggling a single relay hasn’t caused me any issues in the limited testing I’ve done. A momentary drop to as low as 5V should be perfectly fine, although, looking over the specs for my components, I see I’m getting dangerously close to the upper limits for the power supply’s current rating. I’ll have to look into connecting 2 supplies in parallel (or getting a larger supply) I suppose.\n \n I haven’t worked with battery backups yet, so I was thinking it would be best to keep that element simple to minimize potential issues like a trickle charge draining the battery unexpectedly, or damaging the battery from overcharge. The minimum requirement is just to ensure the hardware (a motorized ball valve) returns to a closed position if power is lost. The battery needs to provide at least 9V to power the motor, so I could use a 9V (or a few smaller cells in series) to keep it below the 12V supply.\n \n With your solution using a diode on each voltage source, would there be any risk of a trickle charge draining the battery unexpectedly if the battery? If so, in that configuration I’d need to do more research and figure out how to use a BMS, rather than an externally recharged or disposable cell. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690140298 {#4472 : 2023-07-23 21:24:58.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4475 …} +nested: Doctrine\ORM\PersistentCollection {#4477 …} +votes: Doctrine\ORM\PersistentCollection {#4479 …} +reports: Doctrine\ORM\PersistentCollection {#4481 …} +favourites: Doctrine\ORM\PersistentCollection {#4483 …} +notifications: Doctrine\ORM\PersistentCollection {#4485 …} -id: 23266 -bodyTs: "'12v':191 '2':89 '5v':51 '9v':168,178 'although':56 'backup':106 'ball':150 'batteri':105,131,136,162,214,218 'best':115 'bms':238 'caus':33 'cell':183,246 'charg':128,211 'close':70,155 'compon':63 'configur':223 'connect':88 'could':175 'current':80 'd':225 'damag':134 'danger':69 'diod':198 'dispos':245 'done':43 'drain':129,212 'drop':46 'element':119 'ensur':145 'extern':9,242 'figur':232 'fine':55 'get':68,94 'hardwar':147 'hasn':31 'haven':101 'issu':36,124 'keep':117,187 'larger':96 'least':167 'like':125 'limit':39,74 'll':83 'look':57,86 'lost':160 'low':49 'm':67 'minim':122 'minimum':140 'momentari':45 'motor':149,172 'need':26,163,226 'overcharg':138 'parallel':92 'perfect':54 'posit':156 'potenti':123 'power':13,77,158,170 'provid':18,165 'rate':81 'rather':239 'recharg':243 'relay':30 'requir':141 'research':230 'return':152 'risk':207 'see':65 'seri':185 'set':10 'simpl':120 'singl':29 'smaller':182 'solut':195 'sourc':202 'spec':60 'strict':25 'suppli':14,78,90,97,192 'suppos':99 'test':40 'thank':1 'think':5,111 'toggl':27 'trickl':127,210 'unexpect':132,215 'upper':73 'use':176,196,236 'valv':151 've':42 'volt':22 'voltag':201 'work':103 'would':113,203 'yet':107" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1279452" +editedAt: null +createdAt: DateTimeImmutable @1690140298 {#4473 : 2023-07-23 21:24:58.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: """ > With your solution using a diode on each voltage source, would there be any risk of a trickle charge draining the battery unexpectedly if the battery?\n \n Current flows from high to low voltage, but the battery is at a lower voltage than the supply. Check the diode’s datasheet for the reverse current at the voltage that would be across it. It should be negligible\n \n Here’s an example from my notes:\n \n  """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150290 {#4545 : 2023-07-24 00:11:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4536 …} +nested: Doctrine\ORM\PersistentCollection {#4534 …} +votes: Doctrine\ORM\PersistentCollection {#4538 …} +reports: Doctrine\ORM\PersistentCollection {#4550 …} +favourites: Doctrine\ORM\PersistentCollection {#4552 …} +notifications: Doctrine\ORM\PersistentCollection {#4554 …} -id: 23281 -bodyTs: "'/pictrs/image/97a947f7-a757-49d5-8751-e33194983c87.png)':75 'across':60 'batteri':22,26,36 'charg':19 'check':45 'current':27,53 'datasheet':49 'diod':6,47 'drain':20 'exampl':69 'flow':28 'high':30 'lemmy.ml':74 'lemmy.ml/pictrs/image/97a947f7-a757-49d5-8751-e33194983c87.png)':73 'low':32 'lower':40 'neglig':65 'note':72 'revers':52 'risk':15 'solut':3 'sourc':10 'suppli':44 'trickl':18 'unexpect':23 'use':4 'voltag':9,33,41,56 'would':11,58" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.ml/comment/1904148" +editedAt: null +createdAt: DateTimeImmutable @1690150290 {#4548 : 2023-07-24 00:11:30.0 +02:00 } } +formDest: "entry_comment" +showDownvote: true -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} } |
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+url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 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true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4169 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4171 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4173 …} +entries: Doctrine\ORM\PersistentCollection {#4175 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4177 …} +entryComments: Doctrine\ORM\PersistentCollection {#4179 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4181 …} +posts: Doctrine\ORM\PersistentCollection {#4183 …} +postVotes: Doctrine\ORM\PersistentCollection {#4185 …} +postComments: Doctrine\ORM\PersistentCollection {#4187 …} 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"$2y$13$FmgOU4pnDcL2OYNRIDI73.ySc/mZ56hTOiam56.7y3Wf6.XOQHZfe" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4221 …} +apId: "M_Reimer@lemmy.world" +apProfileId: "https://lemmy.world/u/M_Reimer" +apPublicUrl: "https://lemmy.world/u/M_Reimer" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "M_Reimer" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1692619767 {#4153 : 2023-08-21 14:09:27.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687758897 {#4154 : 2023-06-26 07:54:57.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ The relay will cause a short voltage drop when switching. This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: """ Thanks, I don’t think there are any external settings for the power supply, but it does provide a few more volts than I strictly need. Toggling a single relay hasn’t caused me any issues in the limited testing I’ve done. A momentary drop to as low as 5V should be perfectly fine, although, looking over the specs for my components, I see I’m getting dangerously close to the upper limits for the power supply’s current rating. I’ll have to look into connecting 2 supplies in parallel (or getting a larger supply) I suppose.\n \n I haven’t worked with battery backups yet, so I was thinking it would be best to keep that element simple to minimize potential issues like a trickle charge draining the battery unexpectedly, or damaging the battery from overcharge. The minimum requirement is just to ensure the hardware (a motorized ball valve) returns to a closed position if power is lost. The battery needs to provide at least 9V to power the motor, so I could use a 9V (or a few smaller cells in series) to keep it below the 12V supply.\n \n With your solution using a diode on each voltage source, would there be any risk of a trickle charge draining the battery unexpectedly if the battery? If so, in that configuration I’d need to do more research and figure out how to use a BMS, rather than an externally recharged or disposable cell. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690140298 {#4472 : 2023-07-23 21:24:58.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4475 …} +nested: Doctrine\ORM\PersistentCollection {#4477 …} +votes: Doctrine\ORM\PersistentCollection {#4479 …} +reports: Doctrine\ORM\PersistentCollection {#4481 …} +favourites: Doctrine\ORM\PersistentCollection {#4483 …} +notifications: Doctrine\ORM\PersistentCollection {#4485 …} -id: 23266 -bodyTs: "'12v':191 '2':89 '5v':51 '9v':168,178 'although':56 'backup':106 'ball':150 'batteri':105,131,136,162,214,218 'best':115 'bms':238 'caus':33 'cell':183,246 'charg':128,211 'close':70,155 'compon':63 'configur':223 'connect':88 'could':175 'current':80 'd':225 'damag':134 'danger':69 'diod':198 'dispos':245 'done':43 'drain':129,212 'drop':46 'element':119 'ensur':145 'extern':9,242 'figur':232 'fine':55 'get':68,94 'hardwar':147 'hasn':31 'haven':101 'issu':36,124 'keep':117,187 'larger':96 'least':167 'like':125 'limit':39,74 'll':83 'look':57,86 'lost':160 'low':49 'm':67 'minim':122 'minimum':140 'momentari':45 'motor':149,172 'need':26,163,226 'overcharg':138 'parallel':92 'perfect':54 'posit':156 'potenti':123 'power':13,77,158,170 'provid':18,165 'rate':81 'rather':239 'recharg':243 'relay':30 'requir':141 'research':230 'return':152 'risk':207 'see':65 'seri':185 'set':10 'simpl':120 'singl':29 'smaller':182 'solut':195 'sourc':202 'spec':60 'strict':25 'suppli':14,78,90,97,192 'suppos':99 'test':40 'thank':1 'think':5,111 'toggl':27 'trickl':127,210 'unexpect':132,215 'upper':73 'use':176,196,236 'valv':151 've':42 'volt':22 'voltag':201 'work':103 'would':113,203 'yet':107" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1279452" +editedAt: null +createdAt: DateTimeImmutable @1690140298 {#4473 : 2023-07-23 21:24:58.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: """ > With your solution using a diode on each voltage source, would there be any risk of a trickle charge draining the battery unexpectedly if the battery?\n \n Current flows from high to low voltage, but the battery is at a lower voltage than the supply. Check the diode’s datasheet for the reverse current at the voltage that would be across it. It should be negligible\n \n Here’s an example from my notes:\n \n  """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150290 {#4545 : 2023-07-24 00:11:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4536 …} +nested: Doctrine\ORM\PersistentCollection {#4534 …} +votes: Doctrine\ORM\PersistentCollection {#4538 …} +reports: Doctrine\ORM\PersistentCollection {#4550 …} +favourites: Doctrine\ORM\PersistentCollection {#4552 …} +notifications: Doctrine\ORM\PersistentCollection {#4554 …} -id: 23281 -bodyTs: "'/pictrs/image/97a947f7-a757-49d5-8751-e33194983c87.png)':75 'across':60 'batteri':22,26,36 'charg':19 'check':45 'current':27,53 'datasheet':49 'diod':6,47 'drain':20 'exampl':69 'flow':28 'high':30 'lemmy.ml':74 'lemmy.ml/pictrs/image/97a947f7-a757-49d5-8751-e33194983c87.png)':73 'low':32 'lower':40 'neglig':65 'note':72 'revers':52 'risk':15 'solut':3 'sourc':10 'suppli':44 'trickl':18 'unexpect':23 'use':4 'voltag':9,33,41,56 'would':11,58" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.ml/comment/1904148" +editedAt: null +createdAt: DateTimeImmutable @1690150290 {#4548 : 2023-07-24 00:11:30.0 +02:00 } } ] |
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"Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 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true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4169 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4171 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4173 …} +entries: Doctrine\ORM\PersistentCollection {#4175 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4177 …} +entryComments: Doctrine\ORM\PersistentCollection {#4179 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4181 …} +posts: Doctrine\ORM\PersistentCollection {#4183 …} +postVotes: Doctrine\ORM\PersistentCollection {#4185 …} +postComments: Doctrine\ORM\PersistentCollection {#4187 …} 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"$2y$13$FmgOU4pnDcL2OYNRIDI73.ySc/mZ56hTOiam56.7y3Wf6.XOQHZfe" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4221 …} +apId: "M_Reimer@lemmy.world" +apProfileId: "https://lemmy.world/u/M_Reimer" +apPublicUrl: "https://lemmy.world/u/M_Reimer" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "M_Reimer" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1692619767 {#4153 : 2023-08-21 14:09:27.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687758897 {#4154 : 2023-06-26 07:54:57.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ The relay will cause a short voltage drop when switching. This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: """ Thanks, I don’t think there are any external settings for the power supply, but it does provide a few more volts than I strictly need. Toggling a single relay hasn’t caused me any issues in the limited testing I’ve done. A momentary drop to as low as 5V should be perfectly fine, although, looking over the specs for my components, I see I’m getting dangerously close to the upper limits for the power supply’s current rating. I’ll have to look into connecting 2 supplies in parallel (or getting a larger supply) I suppose.\n \n I haven’t worked with battery backups yet, so I was thinking it would be best to keep that element simple to minimize potential issues like a trickle charge draining the battery unexpectedly, or damaging the battery from overcharge. The minimum requirement is just to ensure the hardware (a motorized ball valve) returns to a closed position if power is lost. The battery needs to provide at least 9V to power the motor, so I could use a 9V (or a few smaller cells in series) to keep it below the 12V supply.\n \n With your solution using a diode on each voltage source, would there be any risk of a trickle charge draining the battery unexpectedly if the battery? If so, in that configuration I’d need to do more research and figure out how to use a BMS, rather than an externally recharged or disposable cell. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690140298 {#4472 : 2023-07-23 21:24:58.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4475 …} +nested: Doctrine\ORM\PersistentCollection {#4477 …} +votes: Doctrine\ORM\PersistentCollection {#4479 …} +reports: Doctrine\ORM\PersistentCollection {#4481 …} +favourites: Doctrine\ORM\PersistentCollection {#4483 …} +notifications: Doctrine\ORM\PersistentCollection {#4485 …} -id: 23266 -bodyTs: "'12v':191 '2':89 '5v':51 '9v':168,178 'although':56 'backup':106 'ball':150 'batteri':105,131,136,162,214,218 'best':115 'bms':238 'caus':33 'cell':183,246 'charg':128,211 'close':70,155 'compon':63 'configur':223 'connect':88 'could':175 'current':80 'd':225 'damag':134 'danger':69 'diod':198 'dispos':245 'done':43 'drain':129,212 'drop':46 'element':119 'ensur':145 'extern':9,242 'figur':232 'fine':55 'get':68,94 'hardwar':147 'hasn':31 'haven':101 'issu':36,124 'keep':117,187 'larger':96 'least':167 'like':125 'limit':39,74 'll':83 'look':57,86 'lost':160 'low':49 'm':67 'minim':122 'minimum':140 'momentari':45 'motor':149,172 'need':26,163,226 'overcharg':138 'parallel':92 'perfect':54 'posit':156 'potenti':123 'power':13,77,158,170 'provid':18,165 'rate':81 'rather':239 'recharg':243 'relay':30 'requir':141 'research':230 'return':152 'risk':207 'see':65 'seri':185 'set':10 'simpl':120 'singl':29 'smaller':182 'solut':195 'sourc':202 'spec':60 'strict':25 'suppli':14,78,90,97,192 'suppos':99 'test':40 'thank':1 'think':5,111 'toggl':27 'trickl':127,210 'unexpect':132,215 'upper':73 'use':176,196,236 'valv':151 've':42 'volt':22 'voltag':201 'work':103 'would':113,203 'yet':107" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1279452" +editedAt: null +createdAt: DateTimeImmutable @1690140298 {#4473 : 2023-07-23 21:24:58.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: """ > With your solution using a diode on each voltage source, would there be any risk of a trickle charge draining the battery unexpectedly if the battery?\n \n Current flows from high to low voltage, but the battery is at a lower voltage than the supply. Check the diode’s datasheet for the reverse current at the voltage that would be across it. It should be negligible\n \n Here’s an example from my notes:\n \n  """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150290 {#4545 : 2023-07-24 00:11:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4536 …} +nested: Doctrine\ORM\PersistentCollection {#4534 …} +votes: Doctrine\ORM\PersistentCollection {#4538 …} +reports: Doctrine\ORM\PersistentCollection {#4550 …} +favourites: Doctrine\ORM\PersistentCollection {#4552 …} +notifications: Doctrine\ORM\PersistentCollection {#4554 …} -id: 23281 -bodyTs: "'/pictrs/image/97a947f7-a757-49d5-8751-e33194983c87.png)':75 'across':60 'batteri':22,26,36 'charg':19 'check':45 'current':27,53 'datasheet':49 'diod':6,47 'drain':20 'exampl':69 'flow':28 'high':30 'lemmy.ml':74 'lemmy.ml/pictrs/image/97a947f7-a757-49d5-8751-e33194983c87.png)':73 'low':32 'lower':40 'neglig':65 'note':72 'revers':52 'risk':15 'solut':3 'sourc':10 'suppli':44 'trickl':18 'unexpect':23 'use':4 'voltag':9,33,41,56 'would':11,58" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.ml/comment/1904148" +editedAt: null +createdAt: DateTimeImmutable @1690150290 {#4548 : 2023-07-24 00:11:30.0 +02:00 } } -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} } |
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+url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 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true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4169 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4171 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4173 …} +entries: Doctrine\ORM\PersistentCollection {#4175 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4177 …} +entryComments: Doctrine\ORM\PersistentCollection {#4179 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4181 …} +posts: Doctrine\ORM\PersistentCollection {#4183 …} +postVotes: Doctrine\ORM\PersistentCollection {#4185 …} +postComments: Doctrine\ORM\PersistentCollection {#4187 …} 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"$2y$13$FmgOU4pnDcL2OYNRIDI73.ySc/mZ56hTOiam56.7y3Wf6.XOQHZfe" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4221 …} +apId: "M_Reimer@lemmy.world" +apProfileId: "https://lemmy.world/u/M_Reimer" +apPublicUrl: "https://lemmy.world/u/M_Reimer" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "M_Reimer" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1692619767 {#4153 : 2023-08-21 14:09:27.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687758897 {#4154 : 2023-06-26 07:54:57.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ The relay will cause a short voltage drop when switching. This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: """ Thanks, I don’t think there are any external settings for the power supply, but it does provide a few more volts than I strictly need. Toggling a single relay hasn’t caused me any issues in the limited testing I’ve done. A momentary drop to as low as 5V should be perfectly fine, although, looking over the specs for my components, I see I’m getting dangerously close to the upper limits for the power supply’s current rating. I’ll have to look into connecting 2 supplies in parallel (or getting a larger supply) I suppose.\n \n I haven’t worked with battery backups yet, so I was thinking it would be best to keep that element simple to minimize potential issues like a trickle charge draining the battery unexpectedly, or damaging the battery from overcharge. The minimum requirement is just to ensure the hardware (a motorized ball valve) returns to a closed position if power is lost. The battery needs to provide at least 9V to power the motor, so I could use a 9V (or a few smaller cells in series) to keep it below the 12V supply.\n \n With your solution using a diode on each voltage source, would there be any risk of a trickle charge draining the battery unexpectedly if the battery? If so, in that configuration I’d need to do more research and figure out how to use a BMS, rather than an externally recharged or disposable cell. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690140298 {#4472 : 2023-07-23 21:24:58.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4475 …} +nested: Doctrine\ORM\PersistentCollection {#4477 …} +votes: Doctrine\ORM\PersistentCollection {#4479 …} +reports: Doctrine\ORM\PersistentCollection {#4481 …} +favourites: Doctrine\ORM\PersistentCollection {#4483 …} +notifications: Doctrine\ORM\PersistentCollection {#4485 …} -id: 23266 -bodyTs: "'12v':191 '2':89 '5v':51 '9v':168,178 'although':56 'backup':106 'ball':150 'batteri':105,131,136,162,214,218 'best':115 'bms':238 'caus':33 'cell':183,246 'charg':128,211 'close':70,155 'compon':63 'configur':223 'connect':88 'could':175 'current':80 'd':225 'damag':134 'danger':69 'diod':198 'dispos':245 'done':43 'drain':129,212 'drop':46 'element':119 'ensur':145 'extern':9,242 'figur':232 'fine':55 'get':68,94 'hardwar':147 'hasn':31 'haven':101 'issu':36,124 'keep':117,187 'larger':96 'least':167 'like':125 'limit':39,74 'll':83 'look':57,86 'lost':160 'low':49 'm':67 'minim':122 'minimum':140 'momentari':45 'motor':149,172 'need':26,163,226 'overcharg':138 'parallel':92 'perfect':54 'posit':156 'potenti':123 'power':13,77,158,170 'provid':18,165 'rate':81 'rather':239 'recharg':243 'relay':30 'requir':141 'research':230 'return':152 'risk':207 'see':65 'seri':185 'set':10 'simpl':120 'singl':29 'smaller':182 'solut':195 'sourc':202 'spec':60 'strict':25 'suppli':14,78,90,97,192 'suppos':99 'test':40 'thank':1 'think':5,111 'toggl':27 'trickl':127,210 'unexpect':132,215 'upper':73 'use':176,196,236 'valv':151 've':42 'volt':22 'voltag':201 'work':103 'would':113,203 'yet':107" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1279452" +editedAt: null +createdAt: DateTimeImmutable @1690140298 {#4473 : 2023-07-23 21:24:58.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: """ > With your solution using a diode on each voltage source, would there be any risk of a trickle charge draining the battery unexpectedly if the battery?\n \n Current flows from high to low voltage, but the battery is at a lower voltage than the supply. Check the diode’s datasheet for the reverse current at the voltage that would be across it. It should be negligible\n \n Here’s an example from my notes:\n \n  """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150290 {#4545 : 2023-07-24 00:11:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4536 …} +nested: Doctrine\ORM\PersistentCollection {#4534 …} +votes: Doctrine\ORM\PersistentCollection {#4538 …} +reports: Doctrine\ORM\PersistentCollection {#4550 …} +favourites: Doctrine\ORM\PersistentCollection {#4552 …} +notifications: Doctrine\ORM\PersistentCollection {#4554 …} -id: 23281 -bodyTs: "'/pictrs/image/97a947f7-a757-49d5-8751-e33194983c87.png)':75 'across':60 'batteri':22,26,36 'charg':19 'check':45 'current':27,53 'datasheet':49 'diod':6,47 'drain':20 'exampl':69 'flow':28 'high':30 'lemmy.ml':74 'lemmy.ml/pictrs/image/97a947f7-a757-49d5-8751-e33194983c87.png)':73 'low':32 'lower':40 'neglig':65 'note':72 'revers':52 'risk':15 'solut':3 'sourc':10 'suppli':44 'trickl':18 'unexpect':23 'use':4 'voltag':9,33,41,56 'would':11,58" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.ml/comment/1904148" +editedAt: null +createdAt: DateTimeImmutable @1690150290 {#4548 : 2023-07-24 00:11:30.0 +02:00 } } "level" => 3 "showNested" => true "view" => "tree" ] |
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"Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 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true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4169 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4171 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4173 …} +entries: Doctrine\ORM\PersistentCollection {#4175 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4177 …} +entryComments: Doctrine\ORM\PersistentCollection {#4179 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4181 …} +posts: Doctrine\ORM\PersistentCollection {#4183 …} +postVotes: Doctrine\ORM\PersistentCollection {#4185 …} +postComments: Doctrine\ORM\PersistentCollection {#4187 …} 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"$2y$13$FmgOU4pnDcL2OYNRIDI73.ySc/mZ56hTOiam56.7y3Wf6.XOQHZfe" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4221 …} +apId: "M_Reimer@lemmy.world" +apProfileId: "https://lemmy.world/u/M_Reimer" +apPublicUrl: "https://lemmy.world/u/M_Reimer" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "M_Reimer" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1692619767 {#4153 : 2023-08-21 14:09:27.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687758897 {#4154 : 2023-06-26 07:54:57.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ The relay will cause a short voltage drop when switching. This could be a problem if your circuit can’t handle a short voltage drop.\n \n Probably the Mean Well has adjustable output voltage. If you can trim the output voltage of the power supply to a higher voltage than your battery, then you can probably just run each power source through a diode and merge them after the diodes. """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150291 {#4149 : 2023-07-24 00:11:31.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4156 …} +nested: Doctrine\ORM\PersistentCollection {#4158 …} +votes: Doctrine\ORM\PersistentCollection {#4160 …} +reports: Doctrine\ORM\PersistentCollection {#4162 …} +favourites: Doctrine\ORM\PersistentCollection {#4164 …} +notifications: Doctrine\ORM\PersistentCollection {#4166 …} -id: 23257 -bodyTs: "'adjust':31 'batteri':51 'caus':4 'circuit':18 'could':12 'diod':63,69 'drop':8,25 'handl':21 'higher':47 'mean':28 'merg':65 'output':32,39 'power':43,59 'probabl':26,55 'problem':15 'relay':2 'run':57 'short':6,23 'sourc':60 'suppli':44 'switch':10 'trim':37 'voltag':7,24,33,40,48 'well':29" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/1639942" +editedAt: DateTimeImmutable @1690136039 {#4150 : 2023-07-23 20:13:59.0 +02:00 } +createdAt: DateTimeImmutable @1690136014 {#4151 : 2023-07-23 20:13:34.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: """ Thanks, I don’t think there are any external settings for the power supply, but it does provide a few more volts than I strictly need. Toggling a single relay hasn’t caused me any issues in the limited testing I’ve done. A momentary drop to as low as 5V should be perfectly fine, although, looking over the specs for my components, I see I’m getting dangerously close to the upper limits for the power supply’s current rating. I’ll have to look into connecting 2 supplies in parallel (or getting a larger supply) I suppose.\n \n I haven’t worked with battery backups yet, so I was thinking it would be best to keep that element simple to minimize potential issues like a trickle charge draining the battery unexpectedly, or damaging the battery from overcharge. The minimum requirement is just to ensure the hardware (a motorized ball valve) returns to a closed position if power is lost. The battery needs to provide at least 9V to power the motor, so I could use a 9V (or a few smaller cells in series) to keep it below the 12V supply.\n \n With your solution using a diode on each voltage source, would there be any risk of a trickle charge draining the battery unexpectedly if the battery? If so, in that configuration I’d need to do more research and figure out how to use a BMS, rather than an externally recharged or disposable cell. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690140298 {#4472 : 2023-07-23 21:24:58.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4475 …} +nested: Doctrine\ORM\PersistentCollection {#4477 …} +votes: Doctrine\ORM\PersistentCollection {#4479 …} +reports: Doctrine\ORM\PersistentCollection {#4481 …} +favourites: Doctrine\ORM\PersistentCollection {#4483 …} +notifications: Doctrine\ORM\PersistentCollection {#4485 …} -id: 23266 -bodyTs: "'12v':191 '2':89 '5v':51 '9v':168,178 'although':56 'backup':106 'ball':150 'batteri':105,131,136,162,214,218 'best':115 'bms':238 'caus':33 'cell':183,246 'charg':128,211 'close':70,155 'compon':63 'configur':223 'connect':88 'could':175 'current':80 'd':225 'damag':134 'danger':69 'diod':198 'dispos':245 'done':43 'drain':129,212 'drop':46 'element':119 'ensur':145 'extern':9,242 'figur':232 'fine':55 'get':68,94 'hardwar':147 'hasn':31 'haven':101 'issu':36,124 'keep':117,187 'larger':96 'least':167 'like':125 'limit':39,74 'll':83 'look':57,86 'lost':160 'low':49 'm':67 'minim':122 'minimum':140 'momentari':45 'motor':149,172 'need':26,163,226 'overcharg':138 'parallel':92 'perfect':54 'posit':156 'potenti':123 'power':13,77,158,170 'provid':18,165 'rate':81 'rather':239 'recharg':243 'relay':30 'requir':141 'research':230 'return':152 'risk':207 'see':65 'seri':185 'set':10 'simpl':120 'singl':29 'smaller':182 'solut':195 'sourc':202 'spec':60 'strict':25 'suppli':14,78,90,97,192 'suppos':99 'test':40 'thank':1 'think':5,111 'toggl':27 'trickl':127,210 'unexpect':132,215 'upper':73 'use':176,196,236 'valv':151 've':42 'volt':22 'voltag':201 'work':103 'would':113,203 'yet':107" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1279452" +editedAt: null +createdAt: DateTimeImmutable @1690140298 {#4473 : 2023-07-23 21:24:58.0 +02:00 } } +root: App\Entity\EntryComment {#4155} +body: """ > With your solution using a diode on each voltage source, would there be any risk of a trickle charge draining the battery unexpectedly if the battery?\n \n Current flows from high to low voltage, but the battery is at a lower voltage than the supply. Check the diode’s datasheet for the reverse current at the voltage that would be across it. It should be negligible\n \n Here’s an example from my notes:\n \n  """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690150290 {#4545 : 2023-07-24 00:11:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@M_Reimer@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4536 …} +nested: Doctrine\ORM\PersistentCollection {#4534 …} +votes: Doctrine\ORM\PersistentCollection {#4538 …} +reports: Doctrine\ORM\PersistentCollection {#4550 …} +favourites: Doctrine\ORM\PersistentCollection {#4552 …} +notifications: Doctrine\ORM\PersistentCollection {#4554 …} -id: 23281 -bodyTs: "'/pictrs/image/97a947f7-a757-49d5-8751-e33194983c87.png)':75 'across':60 'batteri':22,26,36 'charg':19 'check':45 'current':27,53 'datasheet':49 'diod':6,47 'drain':20 'exampl':69 'flow':28 'high':30 'lemmy.ml':74 'lemmy.ml/pictrs/image/97a947f7-a757-49d5-8751-e33194983c87.png)':73 'low':32 'lower':40 'neglig':65 'note':72 'revers':52 'risk':15 'solut':3 'sourc':10 'suppli':44 'trickl':18 'unexpect':23 'use':4 'voltag':9,33,41,56 'would':11,58" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.ml/comment/1904148" +editedAt: null +createdAt: DateTimeImmutable @1690150290 {#4548 : 2023-07-24 00:11:30.0 +02:00 } } +nestedComments: [] +level: 3 +view: "tree" -entryCommentRepository: App\Repository\EntryCommentRepository {#558 …} -twig: Twig\Environment {#1252 …} -security: Symfony\Bundle\SecurityBundle\Security {#1101 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} } |
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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ Unless otherwise specified at certain loads, relay duty cycles are always 100%.\n \n Most relay duty cycles are in relation to *switching currents*, not the coil operation. There is always a slight resistance between dissimilar contacts, and carrying current across the contacts creates heat, so they have a max rated current for continuous use. They can often exceed this, but only for short periods before needing a duty cycle cooldown.\n \n When the relay switches high near-max currents, especially in DC, it generates a large arc across the contacts. This makes them heat up. This limits the actuation frequency because too many arcs at max/overcurrent will overheat the contacts and could cause them to fuse together.\n \n But the coil itself is designed such that it will never overheat on it’s own just from the trigger voltage. Granted it’ll waste a lot of power to resistive heating that is undesirable if your goal is power efficiency, but it will be perfectly OK. 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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ Unless otherwise specified at certain loads, relay duty cycles are always 100%.\n \n Most relay duty cycles are in relation to *switching currents*, not the coil operation. There is always a slight resistance between dissimilar contacts, and carrying current across the contacts creates heat, so they have a max rated current for continuous use. They can often exceed this, but only for short periods before needing a duty cycle cooldown.\n \n When the relay switches high near-max currents, especially in DC, it generates a large arc across the contacts. This makes them heat up. This limits the actuation frequency because too many arcs at max/overcurrent will overheat the contacts and could cause them to fuse together.\n \n But the coil itself is designed such that it will never overheat on it’s own just from the trigger voltage. Granted it’ll waste a lot of power to resistive heating that is undesirable if your goal is power efficiency, but it will be perfectly OK. 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user_inline | App\Twig\Components\UserInlineComponent | 12.0 MiB | 0.27 ms | |
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Input props | [ "user" => App\Entity\User {#4242 +avatar: null +cover: null +email: "empireOfLove@lemmy.one" +username: "@empireOfLove@lemmy.one" +roles: [] +followersCount: 0 +homepage: "front" +about: """ ***DEAD ACCOUNT. Lemmy.one does not have active administration and I need to move on. Catch me over at dbzer0: [lemmy.dbzer0.com/u/empireOfLove2](https://lemmy.dbzer0.com/u/empireOfLove2)***\n \n Yet another Reddit refugee from the great 3rd party app purge of 2023. Obligatory fuck /u/Spez. """ +lastActive: DateTime @1711356701 {#4226 : 2024-03-25 09:51:41.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4243 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4245 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4247 …} +entries: Doctrine\ORM\PersistentCollection {#4249 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4251 …} +entryComments: Doctrine\ORM\PersistentCollection {#4253 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4255 …} +posts: Doctrine\ORM\PersistentCollection {#4257 …} +postVotes: Doctrine\ORM\PersistentCollection {#4259 …} +postComments: Doctrine\ORM\PersistentCollection {#4261 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4263 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4265 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4267 …} +follows: Doctrine\ORM\PersistentCollection {#4269 …} +followers: Doctrine\ORM\PersistentCollection {#4271 …} +blocks: Doctrine\ORM\PersistentCollection {#4273 …} +blockers: Doctrine\ORM\PersistentCollection {#4275 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4277 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4279 …} +reports: Doctrine\ORM\PersistentCollection {#4281 …} +favourites: Doctrine\ORM\PersistentCollection {#4283 …} +violations: Doctrine\ORM\PersistentCollection {#4285 …} +notifications: Doctrine\ORM\PersistentCollection {#4287 …} +awards: Doctrine\ORM\PersistentCollection {#4289 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4291 …} +categories: Doctrine\ORM\PersistentCollection {#4293 …} -id: 9226 -password: "$2y$13$jwekzKCTw8B.VmLHL05LeOB5QbA8YqmxsvRJM8jjPOWS5PC2Bh/Q6" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4295 …} +apId: "empireOfLove@lemmy.one" +apProfileId: "https://lemmy.one/u/empireOfLove" +apPublicUrl: "https://lemmy.one/u/empireOfLove" +apFollowersUrl: null +apInboxUrl: "https://lemmy.one/inbox" +apDomain: "lemmy.one" +apPreferredUsername: "empireOfLove" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1725343425 {#4227 : 2024-09-03 08:03:45.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687529967 {#4228 : 2023-06-23 16:19:27.0 +02:00 } } "showAvatar" => false ] |
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Attributes | [] |
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Component | App\Twig\Components\UserInlineComponent {#9837 +user: App\Entity\User {#4242 +avatar: null +cover: null +email: "empireOfLove@lemmy.one" +username: "@empireOfLove@lemmy.one" +roles: [] +followersCount: 0 +homepage: "front" +about: """ ***DEAD ACCOUNT. Lemmy.one does not have active administration and I need to move on. Catch me over at dbzer0: [lemmy.dbzer0.com/u/empireOfLove2](https://lemmy.dbzer0.com/u/empireOfLove2)***\n \n Yet another Reddit refugee from the great 3rd party app purge of 2023. Obligatory fuck /u/Spez. """ +lastActive: DateTime @1711356701 {#4226 : 2024-03-25 09:51:41.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4243 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4245 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4247 …} +entries: Doctrine\ORM\PersistentCollection {#4249 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4251 …} +entryComments: Doctrine\ORM\PersistentCollection {#4253 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4255 …} +posts: Doctrine\ORM\PersistentCollection {#4257 …} +postVotes: Doctrine\ORM\PersistentCollection {#4259 …} +postComments: Doctrine\ORM\PersistentCollection {#4261 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4263 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4265 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4267 …} +follows: Doctrine\ORM\PersistentCollection {#4269 …} +followers: Doctrine\ORM\PersistentCollection {#4271 …} +blocks: Doctrine\ORM\PersistentCollection {#4273 …} +blockers: Doctrine\ORM\PersistentCollection {#4275 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4277 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4279 …} +reports: Doctrine\ORM\PersistentCollection {#4281 …} +favourites: Doctrine\ORM\PersistentCollection {#4283 …} +violations: Doctrine\ORM\PersistentCollection {#4285 …} +notifications: Doctrine\ORM\PersistentCollection {#4287 …} +awards: Doctrine\ORM\PersistentCollection {#4289 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4291 …} +categories: Doctrine\ORM\PersistentCollection {#4293 …} -id: 9226 -password: "$2y$13$jwekzKCTw8B.VmLHL05LeOB5QbA8YqmxsvRJM8jjPOWS5PC2Bh/Q6" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4295 …} +apId: "empireOfLove@lemmy.one" +apProfileId: "https://lemmy.one/u/empireOfLove" +apPublicUrl: "https://lemmy.one/u/empireOfLove" +apFollowersUrl: null +apInboxUrl: "https://lemmy.one/inbox" +apDomain: "lemmy.one" +apPreferredUsername: "empireOfLove" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1725343425 {#4227 : 2024-09-03 08:03:45.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687529967 {#4228 : 2023-06-23 16:19:27.0 +02:00 } } +showAvatar: false } |
date | App\Twig\Components\DateComponent | 12.0 MiB | 0.24 ms | |
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Input props | [ "date" => DateTimeImmutable @1690138867 {#4225 : 2023-07-23 21:01:07.0 +02:00 } ] |
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Attributes | [] |
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Component | App\Twig\Components\DateComponent {#9892 +date: DateTimeImmutable @1690138867 {#4225 : 2023-07-23 21:01:07.0 +02:00 } } |
date_edited | App\Twig\Components\DateEditedComponent | 12.0 MiB | 0.16 ms | |
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Input props | [ "createdAt" => DateTimeImmutable @1690138867 {#4225 : 2023-07-23 21:01:07.0 +02:00 } "editedAt" => DateTimeImmutable @1690138891 {#4224 : 2023-07-23 21:01:31.0 +02:00 } ] |
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Attributes | [] |
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Component | App\Twig\Components\DateEditedComponent {#9946 +createdAt: DateTimeImmutable @1690138867 {#4225 : 2023-07-23 21:01:07.0 +02:00 } +editedAt: DateTimeImmutable @1690138891 {#4224 : 2023-07-23 21:01:31.0 +02:00 } } |
user_avatar | App\Twig\Components\UserAvatarComponent | 12.0 MiB | 0.15 ms | |
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Input props | [ "user" => App\Entity\User {#4242 +avatar: null +cover: null +email: "empireOfLove@lemmy.one" +username: "@empireOfLove@lemmy.one" +roles: [] +followersCount: 0 +homepage: "front" +about: """ ***DEAD ACCOUNT. Lemmy.one does not have active administration and I need to move on. Catch me over at dbzer0: [lemmy.dbzer0.com/u/empireOfLove2](https://lemmy.dbzer0.com/u/empireOfLove2)***\n \n Yet another Reddit refugee from the great 3rd party app purge of 2023. Obligatory fuck /u/Spez. """ +lastActive: DateTime @1711356701 {#4226 : 2024-03-25 09:51:41.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4243 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4245 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4247 …} +entries: Doctrine\ORM\PersistentCollection {#4249 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4251 …} +entryComments: Doctrine\ORM\PersistentCollection {#4253 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4255 …} +posts: Doctrine\ORM\PersistentCollection {#4257 …} +postVotes: Doctrine\ORM\PersistentCollection {#4259 …} +postComments: Doctrine\ORM\PersistentCollection {#4261 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4263 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4265 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4267 …} +follows: Doctrine\ORM\PersistentCollection {#4269 …} +followers: Doctrine\ORM\PersistentCollection {#4271 …} +blocks: Doctrine\ORM\PersistentCollection {#4273 …} +blockers: Doctrine\ORM\PersistentCollection {#4275 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4277 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4279 …} +reports: Doctrine\ORM\PersistentCollection {#4281 …} +favourites: Doctrine\ORM\PersistentCollection {#4283 …} +violations: Doctrine\ORM\PersistentCollection {#4285 …} +notifications: Doctrine\ORM\PersistentCollection {#4287 …} +awards: Doctrine\ORM\PersistentCollection {#4289 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4291 …} +categories: Doctrine\ORM\PersistentCollection {#4293 …} -id: 9226 -password: "$2y$13$jwekzKCTw8B.VmLHL05LeOB5QbA8YqmxsvRJM8jjPOWS5PC2Bh/Q6" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4295 …} +apId: "empireOfLove@lemmy.one" +apProfileId: "https://lemmy.one/u/empireOfLove" +apPublicUrl: "https://lemmy.one/u/empireOfLove" +apFollowersUrl: null +apInboxUrl: "https://lemmy.one/inbox" +apDomain: "lemmy.one" +apPreferredUsername: "empireOfLove" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1725343425 {#4227 : 2024-09-03 08:03:45.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687529967 {#4228 : 2023-06-23 16:19:27.0 +02:00 } } "width" => 40 "height" => 40 "asLink" => true ] |
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Attributes | [] |
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Component | App\Twig\Components\UserAvatarComponent {#10000 +width: 40 +height: 40 +user: App\Entity\User {#4242 +avatar: null +cover: null +email: "empireOfLove@lemmy.one" +username: "@empireOfLove@lemmy.one" +roles: [] +followersCount: 0 +homepage: "front" +about: """ ***DEAD ACCOUNT. Lemmy.one does not have active administration and I need to move on. Catch me over at dbzer0: [lemmy.dbzer0.com/u/empireOfLove2](https://lemmy.dbzer0.com/u/empireOfLove2)***\n \n Yet another Reddit refugee from the great 3rd party app purge of 2023. Obligatory fuck /u/Spez. """ +lastActive: DateTime @1711356701 {#4226 : 2024-03-25 09:51:41.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4243 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4245 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4247 …} +entries: Doctrine\ORM\PersistentCollection {#4249 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4251 …} +entryComments: Doctrine\ORM\PersistentCollection {#4253 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4255 …} +posts: Doctrine\ORM\PersistentCollection {#4257 …} +postVotes: Doctrine\ORM\PersistentCollection {#4259 …} +postComments: Doctrine\ORM\PersistentCollection {#4261 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4263 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4265 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4267 …} +follows: Doctrine\ORM\PersistentCollection {#4269 …} +followers: Doctrine\ORM\PersistentCollection {#4271 …} +blocks: Doctrine\ORM\PersistentCollection {#4273 …} +blockers: Doctrine\ORM\PersistentCollection {#4275 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4277 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4279 …} +reports: Doctrine\ORM\PersistentCollection {#4281 …} +favourites: Doctrine\ORM\PersistentCollection {#4283 …} +violations: Doctrine\ORM\PersistentCollection {#4285 …} +notifications: Doctrine\ORM\PersistentCollection {#4287 …} +awards: Doctrine\ORM\PersistentCollection {#4289 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4291 …} +categories: Doctrine\ORM\PersistentCollection {#4293 …} -id: 9226 -password: "$2y$13$jwekzKCTw8B.VmLHL05LeOB5QbA8YqmxsvRJM8jjPOWS5PC2Bh/Q6" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4295 …} +apId: "empireOfLove@lemmy.one" +apProfileId: "https://lemmy.one/u/empireOfLove" +apPublicUrl: "https://lemmy.one/u/empireOfLove" +apFollowersUrl: null +apInboxUrl: "https://lemmy.one/inbox" +apDomain: "lemmy.one" +apPreferredUsername: "empireOfLove" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1725343425 {#4227 : 2024-09-03 08:03:45.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687529967 {#4228 : 2023-06-23 16:19:27.0 +02:00 } } +asLink: true } |
vote | App\Twig\Components\VoteComponent | 12.0 MiB | 0.73 ms | |
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Input props | [ "subject" => App\Entity\EntryComment {#4229 +user: App\Entity\User {#4242 +avatar: null +cover: null +email: "empireOfLove@lemmy.one" +username: "@empireOfLove@lemmy.one" +roles: [] +followersCount: 0 +homepage: "front" +about: """ ***DEAD ACCOUNT. Lemmy.one does not have active administration and I need to move on. Catch me over at dbzer0: [lemmy.dbzer0.com/u/empireOfLove2](https://lemmy.dbzer0.com/u/empireOfLove2)***\n \n Yet another Reddit refugee from the great 3rd party app purge of 2023. Obligatory fuck /u/Spez. """ +lastActive: DateTime @1711356701 {#4226 : 2024-03-25 09:51:41.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4243 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4245 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4247 …} +entries: Doctrine\ORM\PersistentCollection {#4249 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4251 …} +entryComments: Doctrine\ORM\PersistentCollection {#4253 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4255 …} +posts: Doctrine\ORM\PersistentCollection {#4257 …} +postVotes: Doctrine\ORM\PersistentCollection {#4259 …} +postComments: Doctrine\ORM\PersistentCollection {#4261 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4263 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4265 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4267 …} +follows: Doctrine\ORM\PersistentCollection {#4269 …} +followers: Doctrine\ORM\PersistentCollection {#4271 …} +blocks: Doctrine\ORM\PersistentCollection {#4273 …} +blockers: Doctrine\ORM\PersistentCollection {#4275 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4277 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4279 …} +reports: Doctrine\ORM\PersistentCollection {#4281 …} +favourites: Doctrine\ORM\PersistentCollection {#4283 …} +violations: Doctrine\ORM\PersistentCollection {#4285 …} +notifications: Doctrine\ORM\PersistentCollection {#4287 …} +awards: Doctrine\ORM\PersistentCollection {#4289 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4291 …} +categories: Doctrine\ORM\PersistentCollection {#4293 …} -id: 9226 -password: "$2y$13$jwekzKCTw8B.VmLHL05LeOB5QbA8YqmxsvRJM8jjPOWS5PC2Bh/Q6" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4295 …} +apId: "empireOfLove@lemmy.one" +apProfileId: "https://lemmy.one/u/empireOfLove" +apPublicUrl: "https://lemmy.one/u/empireOfLove" +apFollowersUrl: null +apInboxUrl: "https://lemmy.one/inbox" +apDomain: "lemmy.one" +apPreferredUsername: "empireOfLove" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1725343425 {#4227 : 2024-09-03 08:03:45.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687529967 {#4228 : 2023-06-23 16:19:27.0 +02:00 } } +entry: App\Entity\Entry {#2388 +user: Proxies\__CG__\App\Entity\User {#1943 +avatar: null +cover: null +email: "trafguy@midwest.social" +username: "@trafguy@midwest.social" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1701527013 {#1516 : 2023-12-02 15:23:33.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#1632 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#1406 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#1713 …} +entries: Doctrine\ORM\PersistentCollection {#1710 …} +entryVotes: Doctrine\ORM\PersistentCollection {#1742 …} +entryComments: Doctrine\ORM\PersistentCollection {#1659 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#1470 …} +posts: Doctrine\ORM\PersistentCollection {#1746 …} +postVotes: Doctrine\ORM\PersistentCollection {#1490 …} +postComments: Doctrine\ORM\PersistentCollection {#1772 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#1622 …} +subscriptions: Doctrine\ORM\PersistentCollection {#1758 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#1450 …} +follows: Doctrine\ORM\PersistentCollection {#1422 …} +followers: Doctrine\ORM\PersistentCollection {#1660 …} +blocks: Doctrine\ORM\PersistentCollection {#1454 …} +blockers: Doctrine\ORM\PersistentCollection {#1425 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#1439 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#1428 …} +reports: Doctrine\ORM\PersistentCollection {#1461 …} +favourites: Doctrine\ORM\PersistentCollection {#1438 …} +violations: Doctrine\ORM\PersistentCollection {#1697 …} +notifications: Doctrine\ORM\PersistentCollection {#1690 …} +awards: Doctrine\ORM\PersistentCollection {#1429 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#1612 …} +categories: Doctrine\ORM\PersistentCollection {#1675 …} -id: 30753 -password: "$2y$13$V.iCe02RTvsCKlk9VR8eyO/XOHNlerws30k4pHsZdtecSqn5repUW" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1668 …} +apId: "trafguy@midwest.social" +apProfileId: "https://midwest.social/u/trafguy" +apPublicUrl: "https://midwest.social/u/trafguy" +apFollowersUrl: null +apInboxUrl: "https://midwest.social/inbox" +apDomain: "midwest.social" +apPreferredUsername: "trafguy" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1705341170 {#1537 : 2024-01-15 18:52:50.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1689652756 {#1515 : 2023-07-18 05:59:16.0 +02:00 } +__isInitialized__: true …2 } +magazine: App\Entity\Magazine {#266 +icon: Proxies\__CG__\App\Entity\Image {#247 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null 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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ Unless otherwise specified at certain loads, relay duty cycles are always 100%.\n \n Most relay duty cycles are in relation to *switching currents*, not the coil operation. There is always a slight resistance between dissimilar contacts, and carrying current across the contacts creates heat, so they have a max rated current for continuous use. They can often exceed this, but only for short periods before needing a duty cycle cooldown.\n \n When the relay switches high near-max currents, especially in DC, it generates a large arc across the contacts. This makes them heat up. This limits the actuation frequency because too many arcs at max/overcurrent will overheat the contacts and could cause them to fuse together.\n \n But the coil itself is designed such that it will never overheat on it’s own just from the trigger voltage. Granted it’ll waste a lot of power to resistive heating that is undesirable if your goal is power efficiency, but it will be perfectly OK. 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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ Unless otherwise specified at certain loads, relay duty cycles are always 100%.\n \n Most relay duty cycles are in relation to *switching currents*, not the coil operation. There is always a slight resistance between dissimilar contacts, and carrying current across the contacts creates heat, so they have a max rated current for continuous use. They can often exceed this, but only for short periods before needing a duty cycle cooldown.\n \n When the relay switches high near-max currents, especially in DC, it generates a large arc across the contacts. This makes them heat up. This limits the actuation frequency because too many arcs at max/overcurrent will overheat the contacts and could cause them to fuse together.\n \n But the coil itself is designed such that it will never overheat on it’s own just from the trigger voltage. Granted it’ll waste a lot of power to resistive heating that is undesirable if your goal is power efficiency, but it will be perfectly OK. 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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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There is always a slight resistance between dissimilar contacts, and carrying current across the contacts creates heat, so they have a max rated current for continuous use. They can often exceed this, but only for short periods before needing a duty cycle cooldown.\n \n When the relay switches high near-max currents, especially in DC, it generates a large arc across the contacts. This makes them heat up. This limits the actuation frequency because too many arcs at max/overcurrent will overheat the contacts and could cause them to fuse together.\n \n But the coil itself is designed such that it will never overheat on it’s own just from the trigger voltage. Granted it’ll waste a lot of power to resistive heating that is undesirable if your goal is power efficiency, but it will be perfectly OK. 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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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There is always a slight resistance between dissimilar contacts, and carrying current across the contacts creates heat, so they have a max rated current for continuous use. They can often exceed this, but only for short periods before needing a duty cycle cooldown.\n \n When the relay switches high near-max currents, especially in DC, it generates a large arc across the contacts. This makes them heat up. This limits the actuation frequency because too many arcs at max/overcurrent will overheat the contacts and could cause them to fuse together.\n \n But the coil itself is designed such that it will never overheat on it’s own just from the trigger voltage. Granted it’ll waste a lot of power to resistive heating that is undesirable if your goal is power efficiency, but it will be perfectly OK. 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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ Unless otherwise specified at certain loads, relay duty cycles are always 100%.\n \n Most relay duty cycles are in relation to *switching currents*, not the coil operation. There is always a slight resistance between dissimilar contacts, and carrying current across the contacts creates heat, so they have a max rated current for continuous use. They can often exceed this, but only for short periods before needing a duty cycle cooldown.\n \n When the relay switches high near-max currents, especially in DC, it generates a large arc across the contacts. This makes them heat up. This limits the actuation frequency because too many arcs at max/overcurrent will overheat the contacts and could cause them to fuse together.\n \n But the coil itself is designed such that it will never overheat on it’s own just from the trigger voltage. Granted it’ll waste a lot of power to resistive heating that is undesirable if your goal is power efficiency, but it will be perfectly OK. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690144235 {#4223 : 2023-07-23 22:30:35.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4230 …} +nested: Doctrine\ORM\PersistentCollection {#4232 …} +votes: Doctrine\ORM\PersistentCollection {#4234 …} +reports: Doctrine\ORM\PersistentCollection {#4236 …} +favourites: Doctrine\ORM\PersistentCollection {#4238 …} +notifications: Doctrine\ORM\PersistentCollection {#4240 …} -id: 23262 -bodyTs: "'100':12 'across':39,87 'actuat':98 'alway':11,29 'arc':86,103 'carri':37 'caus':112 'certain':5 'coil':25,119 'contact':35,41,89,109 'continu':52 'cooldown':69 'could':111 'creat':42 'current':22,38,50,78 'cycl':9,16,68 'dc':81 'design':122 'dissimilar':34 'duti':8,15,67 'effici':157 'especi':79 'exceed':57 'frequenc':99 'fuse':115 'generat':83 'goal':154 'grant':138 'heat':43,93,148 'high':74 'larg':85 'limit':96 'll':140 'load':6 'lot':143 'make':91 'mani':102 'max':48,77 'max/overcurrent':105 'near':76 'near-max':75 'need':65 'never':127 'often':56 'ok':163 'oper':26 'otherwis':2 'overheat':107,128 'perfect':162 'period':63 'power':145,156 'rate':49 'relat':19 'relay':7,14,72 'resist':32,147 'short':62 'slight':31 'specifi':3 'switch':21,73 'togeth':116 'trigger':136 'undesir':151 'unless':1 'use':53 'voltag':137 'wast':141" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.one/comment/1411557" +editedAt: DateTimeImmutable @1690138891 {#4224 : 2023-07-23 21:01:31.0 +02:00 } +createdAt: DateTimeImmutable @1690138867 {#4225 : 2023-07-23 21:01:07.0 +02:00 } } "level" => 1 "showNested" => true "view" => "tree" ] |
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"https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ Unless otherwise specified at certain loads, relay duty cycles are always 100%.\n \n Most relay duty cycles are in relation to *switching currents*, not the coil operation. There is always a slight resistance between dissimilar contacts, and carrying current across the contacts creates heat, so they have a max rated current for continuous use. They can often exceed this, but only for short periods before needing a duty cycle cooldown.\n \n When the relay switches high near-max currents, especially in DC, it generates a large arc across the contacts. This makes them heat up. This limits the actuation frequency because too many arcs at max/overcurrent will overheat the contacts and could cause them to fuse together.\n \n But the coil itself is designed such that it will never overheat on it’s own just from the trigger voltage. Granted it’ll waste a lot of power to resistive heating that is undesirable if your goal is power efficiency, but it will be perfectly OK. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690144235 {#4223 : 2023-07-23 22:30:35.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4230 …} +nested: Doctrine\ORM\PersistentCollection {#4232 …} +votes: Doctrine\ORM\PersistentCollection {#4234 …} +reports: Doctrine\ORM\PersistentCollection {#4236 …} +favourites: Doctrine\ORM\PersistentCollection {#4238 …} +notifications: Doctrine\ORM\PersistentCollection {#4240 …} -id: 23262 -bodyTs: "'100':12 'across':39,87 'actuat':98 'alway':11,29 'arc':86,103 'carri':37 'caus':112 'certain':5 'coil':25,119 'contact':35,41,89,109 'continu':52 'cooldown':69 'could':111 'creat':42 'current':22,38,50,78 'cycl':9,16,68 'dc':81 'design':122 'dissimilar':34 'duti':8,15,67 'effici':157 'especi':79 'exceed':57 'frequenc':99 'fuse':115 'generat':83 'goal':154 'grant':138 'heat':43,93,148 'high':74 'larg':85 'limit':96 'll':140 'load':6 'lot':143 'make':91 'mani':102 'max':48,77 'max/overcurrent':105 'near':76 'near-max':75 'need':65 'never':127 'often':56 'ok':163 'oper':26 'otherwis':2 'overheat':107,128 'perfect':162 'period':63 'power':145,156 'rate':49 'relat':19 'relay':7,14,72 'resist':32,147 'short':62 'slight':31 'specifi':3 'switch':21,73 'togeth':116 'trigger':136 'undesir':151 'unless':1 'use':53 'voltag':137 'wast':141" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.one/comment/1411557" +editedAt: DateTimeImmutable @1690138891 {#4224 : 2023-07-23 21:01:31.0 +02:00 } +createdAt: DateTimeImmutable @1690138867 {#4225 : 2023-07-23 21:01:07.0 +02:00 } } +nestedComments: [ 23273 => App\Entity\EntryComment {#4504 +user: Proxies\__CG__\App\Entity\User {#1943 …2} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4229} +root: App\Entity\EntryComment {#4229} +body: """ I’m a little new to the terminology, so to clarify, the switching current refers to the amperage across the terminals other than the coil, right? I’m definitely within those limits; I don’t expect to transfer more than ~1/8 of the maximum amperage.\n \n Is there a rule of thumb for the minimum current I should allow across the coil? The only specification I see on the datasheet for coil amperage is that it was tested to failure at 100mA. I don’t think power consumption is too big of a deal with this use case, but resistive heating sounds like it could shorten component life (and even if it’s only a secondary consideration here, I’d still prefer to minimize waste). """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690143291 {#4502 : 2023-07-23 22:14:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@empireOfLove@lemmy.one" ] +children: Doctrine\ORM\PersistentCollection {#4505 …} +nested: Doctrine\ORM\PersistentCollection {#4507 …} +votes: Doctrine\ORM\PersistentCollection {#4509 …} +reports: Doctrine\ORM\PersistentCollection {#4511 …} +favourites: Doctrine\ORM\PersistentCollection {#4513 …} +notifications: Doctrine\ORM\PersistentCollection {#4515 …} -id: 23273 -bodyTs: "'1/8':41 '100ma':81 'across':19,59 'allow':58 'amperag':18,45,72 'big':90 'case':97 'clarifi':11 'coil':25,61,71 'compon':106 'consider':116 'consumpt':87 'could':104 'current':14,55 'd':119 'datasheet':69 'deal':93 'definit':29 'even':109 'expect':36 'failur':79 'heat':100 'life':107 'like':102 'limit':32 'littl':4 'm':2,28 'maximum':44 'minim':123 'minimum':54 'new':5 'power':86 'prefer':121 'refer':15 'resist':99 'right':26 'rule':49 'secondari':115 'see':66 'shorten':105 'sound':101 'specif':64 'still':120 'switch':13 'termin':21 'terminolog':8 'test':77 'think':85 'thumb':51 'transfer':38 'use':96 'wast':124 'within':30" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1280598" +editedAt: null +createdAt: DateTimeImmutable @1690143291 {#4503 : 2023-07-23 22:14:51.0 +02:00 } } 23275 => App\Entity\EntryComment {#4558 +user: App\Entity\User {#4242} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4504} +root: App\Entity\EntryComment {#4229} +body: """ > the switching current refers to the amperage across the terminals other than the coil\n \n Yes. “Switching current” is the load current being controlled across the main contacts. I figured you were well within specs, I was just clarifying what typically limits relay duty cycle other than the coil.\n \n > Is there a rule of thumb for the minimum current I should allow across the coil?\n \n Stick to the rated coil voltage in the datasheet or below and you’ll be fine. They set the coil resistance to be within the safe current zone per V=IR at rated control voltage.\n \n Many relays can reliably switch well underneath their rated control voltage depending on their design- there’s a *lot* of safety factor built in. I’ve had some 12v automotive relays switch successfully at around 5v (by accident, lol). Experiment a bit and you may be able to cut down on waste power\n \n Just be aware that control voltage (coil) and rated switching voltage (load) is often different, since many relays use low control voltages to switch high voltage loads. Don’t confuse the two! """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690144234 {#4556 : 2023-07-23 22:30:34.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@empireOfLove@lemmy.one" ] +children: Doctrine\ORM\PersistentCollection {#4559 …} +nested: Doctrine\ORM\PersistentCollection {#4561 …} +votes: Doctrine\ORM\PersistentCollection {#4563 …} +reports: Doctrine\ORM\PersistentCollection {#4565 …} +favourites: Doctrine\ORM\PersistentCollection {#4567 …} +notifications: Doctrine\ORM\PersistentCollection {#4569 …} -id: 23275 -bodyTs: "'12v':128 '5v':135 'abl':146 'accid':137 'across':8,24,62 'allow':61 'amperag':7 'around':134 'automot':129 'awar':155 'bit':141 'built':122 'clarifi':38 'coil':14,48,64,69,84,159 'confus':182 'contact':27 'control':23,98,109,157,173 'current':3,17,21,58,91 'cut':148 'cycl':44 'datasheet':73 'depend':111 'design':114 'differ':167 'duti':43 'experi':139 'factor':121 'figur':29 'fine':80 'high':177 'ir':95 'limit':41 'll':78 'load':20,164,179 'lol':138 'lot':118 'low':172 'main':26 'mani':100,169 'may':144 'minimum':57 'often':166 'per':93 'power':152 'rate':68,97,108,161 'refer':4 'relay':42,101,130,170 'reliabl':103 'resist':85 'rule':52 'safe':90 'safeti':120 'set':82 'sinc':168 'spec':34 'stick':65 'success':132 'switch':2,16,104,131,162,176 'termin':10 'thumb':54 'two':184 'typic':40 'underneath':106 'use':171 'v':94 've':125 'voltag':70,99,110,158,163,174,178 'wast':151 'well':32,105 'within':33,88 'yes':15 'zone':92" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.one/comment/1413628" +editedAt: null +createdAt: DateTimeImmutable @1690144234 {#4557 : 2023-07-23 22:30:34.0 +02:00 } } ] +level: 1 +view: "tree" -entryCommentRepository: App\Repository\EntryCommentRepository {#558 …} -twig: Twig\Environment {#1252 …} -security: Symfony\Bundle\SecurityBundle\Security {#1101 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} } |
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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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Lemmy.one does not have active administration and I need to move on. Catch me over at dbzer0: [lemmy.dbzer0.com/u/empireOfLove2](https://lemmy.dbzer0.com/u/empireOfLove2)***\n \n Yet another Reddit refugee from the great 3rd party app purge of 2023. Obligatory fuck /u/Spez. 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There is always a slight resistance between dissimilar contacts, and carrying current across the contacts creates heat, so they have a max rated current for continuous use. They can often exceed this, but only for short periods before needing a duty cycle cooldown.\n \n When the relay switches high near-max currents, especially in DC, it generates a large arc across the contacts. This makes them heat up. This limits the actuation frequency because too many arcs at max/overcurrent will overheat the contacts and could cause them to fuse together.\n \n But the coil itself is designed such that it will never overheat on it’s own just from the trigger voltage. Granted it’ll waste a lot of power to resistive heating that is undesirable if your goal is power efficiency, but it will be perfectly OK. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690144235 {#4223 : 2023-07-23 22:30:35.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4230 …} +nested: Doctrine\ORM\PersistentCollection {#4232 …} +votes: Doctrine\ORM\PersistentCollection {#4234 …} +reports: Doctrine\ORM\PersistentCollection {#4236 …} +favourites: Doctrine\ORM\PersistentCollection {#4238 …} +notifications: Doctrine\ORM\PersistentCollection {#4240 …} -id: 23262 -bodyTs: "'100':12 'across':39,87 'actuat':98 'alway':11,29 'arc':86,103 'carri':37 'caus':112 'certain':5 'coil':25,119 'contact':35,41,89,109 'continu':52 'cooldown':69 'could':111 'creat':42 'current':22,38,50,78 'cycl':9,16,68 'dc':81 'design':122 'dissimilar':34 'duti':8,15,67 'effici':157 'especi':79 'exceed':57 'frequenc':99 'fuse':115 'generat':83 'goal':154 'grant':138 'heat':43,93,148 'high':74 'larg':85 'limit':96 'll':140 'load':6 'lot':143 'make':91 'mani':102 'max':48,77 'max/overcurrent':105 'near':76 'near-max':75 'need':65 'never':127 'often':56 'ok':163 'oper':26 'otherwis':2 'overheat':107,128 'perfect':162 'period':63 'power':145,156 'rate':49 'relat':19 'relay':7,14,72 'resist':32,147 'short':62 'slight':31 'specifi':3 'switch':21,73 'togeth':116 'trigger':136 'undesir':151 'unless':1 'use':53 'voltag':137 'wast':141" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.one/comment/1411557" +editedAt: DateTimeImmutable @1690138891 {#4224 : 2023-07-23 21:01:31.0 +02:00 } +createdAt: DateTimeImmutable @1690138867 {#4225 : 2023-07-23 21:01:07.0 +02:00 } } +root: App\Entity\EntryComment {#4229} +body: """ I’m a little new to the terminology, so to clarify, the switching current refers to the amperage across the terminals other than the coil, right? I’m definitely within those limits; I don’t expect to transfer more than ~1/8 of the maximum amperage.\n \n Is there a rule of thumb for the minimum current I should allow across the coil? The only specification I see on the datasheet for coil amperage is that it was tested to failure at 100mA. I don’t think power consumption is too big of a deal with this use case, but resistive heating sounds like it could shorten component life (and even if it’s only a secondary consideration here, I’d still prefer to minimize waste). 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"https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4229 +user: App\Entity\User {#4242 +avatar: null +cover: null +email: "empireOfLove@lemmy.one" +username: "@empireOfLove@lemmy.one" +roles: [] +followersCount: 0 +homepage: "front" +about: """ ***DEAD ACCOUNT. Lemmy.one does not have active administration and I need to move on. Catch me over at dbzer0: [lemmy.dbzer0.com/u/empireOfLove2](https://lemmy.dbzer0.com/u/empireOfLove2)***\n \n Yet another Reddit refugee from the great 3rd party app purge of 2023. Obligatory fuck /u/Spez. 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There is always a slight resistance between dissimilar contacts, and carrying current across the contacts creates heat, so they have a max rated current for continuous use. They can often exceed this, but only for short periods before needing a duty cycle cooldown.\n \n When the relay switches high near-max currents, especially in DC, it generates a large arc across the contacts. This makes them heat up. This limits the actuation frequency because too many arcs at max/overcurrent will overheat the contacts and could cause them to fuse together.\n \n But the coil itself is designed such that it will never overheat on it’s own just from the trigger voltage. Granted it’ll waste a lot of power to resistive heating that is undesirable if your goal is power efficiency, but it will be perfectly OK. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690144235 {#4223 : 2023-07-23 22:30:35.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4230 …} +nested: Doctrine\ORM\PersistentCollection {#4232 …} +votes: Doctrine\ORM\PersistentCollection {#4234 …} +reports: Doctrine\ORM\PersistentCollection {#4236 …} +favourites: Doctrine\ORM\PersistentCollection {#4238 …} +notifications: Doctrine\ORM\PersistentCollection {#4240 …} -id: 23262 -bodyTs: "'100':12 'across':39,87 'actuat':98 'alway':11,29 'arc':86,103 'carri':37 'caus':112 'certain':5 'coil':25,119 'contact':35,41,89,109 'continu':52 'cooldown':69 'could':111 'creat':42 'current':22,38,50,78 'cycl':9,16,68 'dc':81 'design':122 'dissimilar':34 'duti':8,15,67 'effici':157 'especi':79 'exceed':57 'frequenc':99 'fuse':115 'generat':83 'goal':154 'grant':138 'heat':43,93,148 'high':74 'larg':85 'limit':96 'll':140 'load':6 'lot':143 'make':91 'mani':102 'max':48,77 'max/overcurrent':105 'near':76 'near-max':75 'need':65 'never':127 'often':56 'ok':163 'oper':26 'otherwis':2 'overheat':107,128 'perfect':162 'period':63 'power':145,156 'rate':49 'relat':19 'relay':7,14,72 'resist':32,147 'short':62 'slight':31 'specifi':3 'switch':21,73 'togeth':116 'trigger':136 'undesir':151 'unless':1 'use':53 'voltag':137 'wast':141" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.one/comment/1411557" +editedAt: DateTimeImmutable @1690138891 {#4224 : 2023-07-23 21:01:31.0 +02:00 } +createdAt: DateTimeImmutable @1690138867 {#4225 : 2023-07-23 21:01:07.0 +02:00 } } +root: App\Entity\EntryComment {#4229} +body: """ I’m a little new to the terminology, so to clarify, the switching current refers to the amperage across the terminals other than the coil, right? I’m definitely within those limits; I don’t expect to transfer more than ~1/8 of the maximum amperage.\n \n Is there a rule of thumb for the minimum current I should allow across the coil? The only specification I see on the datasheet for coil amperage is that it was tested to failure at 100mA. I don’t think power consumption is too big of a deal with this use case, but resistive heating sounds like it could shorten component life (and even if it’s only a secondary consideration here, I’d still prefer to minimize waste). 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"https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4229 +user: App\Entity\User {#4242 +avatar: null +cover: null +email: "empireOfLove@lemmy.one" +username: "@empireOfLove@lemmy.one" +roles: [] +followersCount: 0 +homepage: "front" +about: """ ***DEAD ACCOUNT. Lemmy.one does not have active administration and I need to move on. Catch me over at dbzer0: [lemmy.dbzer0.com/u/empireOfLove2](https://lemmy.dbzer0.com/u/empireOfLove2)***\n \n Yet another Reddit refugee from the great 3rd party app purge of 2023. Obligatory fuck /u/Spez. 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There is always a slight resistance between dissimilar contacts, and carrying current across the contacts creates heat, so they have a max rated current for continuous use. They can often exceed this, but only for short periods before needing a duty cycle cooldown.\n \n When the relay switches high near-max currents, especially in DC, it generates a large arc across the contacts. This makes them heat up. This limits the actuation frequency because too many arcs at max/overcurrent will overheat the contacts and could cause them to fuse together.\n \n But the coil itself is designed such that it will never overheat on it’s own just from the trigger voltage. Granted it’ll waste a lot of power to resistive heating that is undesirable if your goal is power efficiency, but it will be perfectly OK. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690144235 {#4223 : 2023-07-23 22:30:35.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4230 …} +nested: Doctrine\ORM\PersistentCollection {#4232 …} +votes: Doctrine\ORM\PersistentCollection {#4234 …} +reports: Doctrine\ORM\PersistentCollection {#4236 …} +favourites: Doctrine\ORM\PersistentCollection {#4238 …} +notifications: Doctrine\ORM\PersistentCollection {#4240 …} -id: 23262 -bodyTs: "'100':12 'across':39,87 'actuat':98 'alway':11,29 'arc':86,103 'carri':37 'caus':112 'certain':5 'coil':25,119 'contact':35,41,89,109 'continu':52 'cooldown':69 'could':111 'creat':42 'current':22,38,50,78 'cycl':9,16,68 'dc':81 'design':122 'dissimilar':34 'duti':8,15,67 'effici':157 'especi':79 'exceed':57 'frequenc':99 'fuse':115 'generat':83 'goal':154 'grant':138 'heat':43,93,148 'high':74 'larg':85 'limit':96 'll':140 'load':6 'lot':143 'make':91 'mani':102 'max':48,77 'max/overcurrent':105 'near':76 'near-max':75 'need':65 'never':127 'often':56 'ok':163 'oper':26 'otherwis':2 'overheat':107,128 'perfect':162 'period':63 'power':145,156 'rate':49 'relat':19 'relay':7,14,72 'resist':32,147 'short':62 'slight':31 'specifi':3 'switch':21,73 'togeth':116 'trigger':136 'undesir':151 'unless':1 'use':53 'voltag':137 'wast':141" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.one/comment/1411557" +editedAt: DateTimeImmutable @1690138891 {#4224 : 2023-07-23 21:01:31.0 +02:00 } +createdAt: DateTimeImmutable @1690138867 {#4225 : 2023-07-23 21:01:07.0 +02:00 } } +root: App\Entity\EntryComment {#4229} +body: """ I’m a little new to the terminology, so to clarify, the switching current refers to the amperage across the terminals other than the coil, right? I’m definitely within those limits; I don’t expect to transfer more than ~1/8 of the maximum amperage.\n \n Is there a rule of thumb for the minimum current I should allow across the coil? The only specification I see on the datasheet for coil amperage is that it was tested to failure at 100mA. I don’t think power consumption is too big of a deal with this use case, but resistive heating sounds like it could shorten component life (and even if it’s only a secondary consideration here, I’d still prefer to minimize waste). 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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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Lemmy.one does not have active administration and I need to move on. Catch me over at dbzer0: [lemmy.dbzer0.com/u/empireOfLove2](https://lemmy.dbzer0.com/u/empireOfLove2)***\n \n Yet another Reddit refugee from the great 3rd party app purge of 2023. Obligatory fuck /u/Spez. 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There is always a slight resistance between dissimilar contacts, and carrying current across the contacts creates heat, so they have a max rated current for continuous use. They can often exceed this, but only for short periods before needing a duty cycle cooldown.\n \n When the relay switches high near-max currents, especially in DC, it generates a large arc across the contacts. This makes them heat up. This limits the actuation frequency because too many arcs at max/overcurrent will overheat the contacts and could cause them to fuse together.\n \n But the coil itself is designed such that it will never overheat on it’s own just from the trigger voltage. Granted it’ll waste a lot of power to resistive heating that is undesirable if your goal is power efficiency, but it will be perfectly OK. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690144235 {#4223 : 2023-07-23 22:30:35.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4230 …} +nested: Doctrine\ORM\PersistentCollection {#4232 …} +votes: Doctrine\ORM\PersistentCollection {#4234 …} +reports: Doctrine\ORM\PersistentCollection {#4236 …} +favourites: Doctrine\ORM\PersistentCollection {#4238 …} +notifications: Doctrine\ORM\PersistentCollection {#4240 …} -id: 23262 -bodyTs: "'100':12 'across':39,87 'actuat':98 'alway':11,29 'arc':86,103 'carri':37 'caus':112 'certain':5 'coil':25,119 'contact':35,41,89,109 'continu':52 'cooldown':69 'could':111 'creat':42 'current':22,38,50,78 'cycl':9,16,68 'dc':81 'design':122 'dissimilar':34 'duti':8,15,67 'effici':157 'especi':79 'exceed':57 'frequenc':99 'fuse':115 'generat':83 'goal':154 'grant':138 'heat':43,93,148 'high':74 'larg':85 'limit':96 'll':140 'load':6 'lot':143 'make':91 'mani':102 'max':48,77 'max/overcurrent':105 'near':76 'near-max':75 'need':65 'never':127 'often':56 'ok':163 'oper':26 'otherwis':2 'overheat':107,128 'perfect':162 'period':63 'power':145,156 'rate':49 'relat':19 'relay':7,14,72 'resist':32,147 'short':62 'slight':31 'specifi':3 'switch':21,73 'togeth':116 'trigger':136 'undesir':151 'unless':1 'use':53 'voltag':137 'wast':141" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.one/comment/1411557" +editedAt: DateTimeImmutable @1690138891 {#4224 : 2023-07-23 21:01:31.0 +02:00 } +createdAt: DateTimeImmutable @1690138867 {#4225 : 2023-07-23 21:01:07.0 +02:00 } } +root: App\Entity\EntryComment {#4229} +body: """ I’m a little new to the terminology, so to clarify, the switching current refers to the amperage across the terminals other than the coil, right? I’m definitely within those limits; I don’t expect to transfer more than ~1/8 of the maximum amperage.\n \n Is there a rule of thumb for the minimum current I should allow across the coil? The only specification I see on the datasheet for coil amperage is that it was tested to failure at 100mA. I don’t think power consumption is too big of a deal with this use case, but resistive heating sounds like it could shorten component life (and even if it’s only a secondary consideration here, I’d still prefer to minimize waste). 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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4229 +user: App\Entity\User {#4242 +avatar: null +cover: null +email: "empireOfLove@lemmy.one" +username: "@empireOfLove@lemmy.one" +roles: [] +followersCount: 0 +homepage: "front" +about: """ ***DEAD ACCOUNT. Lemmy.one does not have active administration and I need to move on. Catch me over at dbzer0: [lemmy.dbzer0.com/u/empireOfLove2](https://lemmy.dbzer0.com/u/empireOfLove2)***\n \n Yet another Reddit refugee from the great 3rd party app purge of 2023. Obligatory fuck /u/Spez. 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There is always a slight resistance between dissimilar contacts, and carrying current across the contacts creates heat, so they have a max rated current for continuous use. They can often exceed this, but only for short periods before needing a duty cycle cooldown.\n \n When the relay switches high near-max currents, especially in DC, it generates a large arc across the contacts. This makes them heat up. This limits the actuation frequency because too many arcs at max/overcurrent will overheat the contacts and could cause them to fuse together.\n \n But the coil itself is designed such that it will never overheat on it’s own just from the trigger voltage. Granted it’ll waste a lot of power to resistive heating that is undesirable if your goal is power efficiency, but it will be perfectly OK. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690144235 {#4223 : 2023-07-23 22:30:35.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4230 …} +nested: Doctrine\ORM\PersistentCollection {#4232 …} +votes: Doctrine\ORM\PersistentCollection {#4234 …} +reports: Doctrine\ORM\PersistentCollection {#4236 …} +favourites: Doctrine\ORM\PersistentCollection {#4238 …} +notifications: Doctrine\ORM\PersistentCollection {#4240 …} -id: 23262 -bodyTs: "'100':12 'across':39,87 'actuat':98 'alway':11,29 'arc':86,103 'carri':37 'caus':112 'certain':5 'coil':25,119 'contact':35,41,89,109 'continu':52 'cooldown':69 'could':111 'creat':42 'current':22,38,50,78 'cycl':9,16,68 'dc':81 'design':122 'dissimilar':34 'duti':8,15,67 'effici':157 'especi':79 'exceed':57 'frequenc':99 'fuse':115 'generat':83 'goal':154 'grant':138 'heat':43,93,148 'high':74 'larg':85 'limit':96 'll':140 'load':6 'lot':143 'make':91 'mani':102 'max':48,77 'max/overcurrent':105 'near':76 'near-max':75 'need':65 'never':127 'often':56 'ok':163 'oper':26 'otherwis':2 'overheat':107,128 'perfect':162 'period':63 'power':145,156 'rate':49 'relat':19 'relay':7,14,72 'resist':32,147 'short':62 'slight':31 'specifi':3 'switch':21,73 'togeth':116 'trigger':136 'undesir':151 'unless':1 'use':53 'voltag':137 'wast':141" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.one/comment/1411557" +editedAt: DateTimeImmutable @1690138891 {#4224 : 2023-07-23 21:01:31.0 +02:00 } +createdAt: DateTimeImmutable @1690138867 {#4225 : 2023-07-23 21:01:07.0 +02:00 } } +root: App\Entity\EntryComment {#4229} +body: """ I’m a little new to the terminology, so to clarify, the switching current refers to the amperage across the terminals other than the coil, right? I’m definitely within those limits; I don’t expect to transfer more than ~1/8 of the maximum amperage.\n \n Is there a rule of thumb for the minimum current I should allow across the coil? The only specification I see on the datasheet for coil amperage is that it was tested to failure at 100mA. I don’t think power consumption is too big of a deal with this use case, but resistive heating sounds like it could shorten component life (and even if it’s only a secondary consideration here, I’d still prefer to minimize waste). 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"https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4229 +user: App\Entity\User {#4242 +avatar: null +cover: null +email: "empireOfLove@lemmy.one" +username: "@empireOfLove@lemmy.one" +roles: [] +followersCount: 0 +homepage: "front" +about: """ ***DEAD ACCOUNT. Lemmy.one does not have active administration and I need to move on. Catch me over at dbzer0: [lemmy.dbzer0.com/u/empireOfLove2](https://lemmy.dbzer0.com/u/empireOfLove2)***\n \n Yet another Reddit refugee from the great 3rd party app purge of 2023. Obligatory fuck /u/Spez. 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There is always a slight resistance between dissimilar contacts, and carrying current across the contacts creates heat, so they have a max rated current for continuous use. They can often exceed this, but only for short periods before needing a duty cycle cooldown.\n \n When the relay switches high near-max currents, especially in DC, it generates a large arc across the contacts. This makes them heat up. This limits the actuation frequency because too many arcs at max/overcurrent will overheat the contacts and could cause them to fuse together.\n \n But the coil itself is designed such that it will never overheat on it’s own just from the trigger voltage. Granted it’ll waste a lot of power to resistive heating that is undesirable if your goal is power efficiency, but it will be perfectly OK. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690144235 {#4223 : 2023-07-23 22:30:35.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4230 …} +nested: Doctrine\ORM\PersistentCollection {#4232 …} +votes: Doctrine\ORM\PersistentCollection {#4234 …} +reports: Doctrine\ORM\PersistentCollection {#4236 …} +favourites: Doctrine\ORM\PersistentCollection {#4238 …} +notifications: Doctrine\ORM\PersistentCollection {#4240 …} -id: 23262 -bodyTs: "'100':12 'across':39,87 'actuat':98 'alway':11,29 'arc':86,103 'carri':37 'caus':112 'certain':5 'coil':25,119 'contact':35,41,89,109 'continu':52 'cooldown':69 'could':111 'creat':42 'current':22,38,50,78 'cycl':9,16,68 'dc':81 'design':122 'dissimilar':34 'duti':8,15,67 'effici':157 'especi':79 'exceed':57 'frequenc':99 'fuse':115 'generat':83 'goal':154 'grant':138 'heat':43,93,148 'high':74 'larg':85 'limit':96 'll':140 'load':6 'lot':143 'make':91 'mani':102 'max':48,77 'max/overcurrent':105 'near':76 'near-max':75 'need':65 'never':127 'often':56 'ok':163 'oper':26 'otherwis':2 'overheat':107,128 'perfect':162 'period':63 'power':145,156 'rate':49 'relat':19 'relay':7,14,72 'resist':32,147 'short':62 'slight':31 'specifi':3 'switch':21,73 'togeth':116 'trigger':136 'undesir':151 'unless':1 'use':53 'voltag':137 'wast':141" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.one/comment/1411557" +editedAt: DateTimeImmutable @1690138891 {#4224 : 2023-07-23 21:01:31.0 +02:00 } +createdAt: DateTimeImmutable @1690138867 {#4225 : 2023-07-23 21:01:07.0 +02:00 } } +root: App\Entity\EntryComment {#4229} +body: """ I’m a little new to the terminology, so to clarify, the switching current refers to the amperage across the terminals other than the coil, right? I’m definitely within those limits; I don’t expect to transfer more than ~1/8 of the maximum amperage.\n \n Is there a rule of thumb for the minimum current I should allow across the coil? The only specification I see on the datasheet for coil amperage is that it was tested to failure at 100mA. I don’t think power consumption is too big of a deal with this use case, but resistive heating sounds like it could shorten component life (and even if it’s only a secondary consideration here, I’d still prefer to minimize waste). 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"https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4229 +user: App\Entity\User {#4242 +avatar: null +cover: null +email: "empireOfLove@lemmy.one" +username: "@empireOfLove@lemmy.one" +roles: [] +followersCount: 0 +homepage: "front" +about: """ ***DEAD ACCOUNT. Lemmy.one does not have active administration and I need to move on. Catch me over at dbzer0: [lemmy.dbzer0.com/u/empireOfLove2](https://lemmy.dbzer0.com/u/empireOfLove2)***\n \n Yet another Reddit refugee from the great 3rd party app purge of 2023. Obligatory fuck /u/Spez. 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There is always a slight resistance between dissimilar contacts, and carrying current across the contacts creates heat, so they have a max rated current for continuous use. They can often exceed this, but only for short periods before needing a duty cycle cooldown.\n \n When the relay switches high near-max currents, especially in DC, it generates a large arc across the contacts. This makes them heat up. This limits the actuation frequency because too many arcs at max/overcurrent will overheat the contacts and could cause them to fuse together.\n \n But the coil itself is designed such that it will never overheat on it’s own just from the trigger voltage. Granted it’ll waste a lot of power to resistive heating that is undesirable if your goal is power efficiency, but it will be perfectly OK. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690144235 {#4223 : 2023-07-23 22:30:35.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4230 …} +nested: Doctrine\ORM\PersistentCollection {#4232 …} +votes: Doctrine\ORM\PersistentCollection {#4234 …} +reports: Doctrine\ORM\PersistentCollection {#4236 …} +favourites: Doctrine\ORM\PersistentCollection {#4238 …} +notifications: Doctrine\ORM\PersistentCollection {#4240 …} -id: 23262 -bodyTs: "'100':12 'across':39,87 'actuat':98 'alway':11,29 'arc':86,103 'carri':37 'caus':112 'certain':5 'coil':25,119 'contact':35,41,89,109 'continu':52 'cooldown':69 'could':111 'creat':42 'current':22,38,50,78 'cycl':9,16,68 'dc':81 'design':122 'dissimilar':34 'duti':8,15,67 'effici':157 'especi':79 'exceed':57 'frequenc':99 'fuse':115 'generat':83 'goal':154 'grant':138 'heat':43,93,148 'high':74 'larg':85 'limit':96 'll':140 'load':6 'lot':143 'make':91 'mani':102 'max':48,77 'max/overcurrent':105 'near':76 'near-max':75 'need':65 'never':127 'often':56 'ok':163 'oper':26 'otherwis':2 'overheat':107,128 'perfect':162 'period':63 'power':145,156 'rate':49 'relat':19 'relay':7,14,72 'resist':32,147 'short':62 'slight':31 'specifi':3 'switch':21,73 'togeth':116 'trigger':136 'undesir':151 'unless':1 'use':53 'voltag':137 'wast':141" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.one/comment/1411557" +editedAt: DateTimeImmutable @1690138891 {#4224 : 2023-07-23 21:01:31.0 +02:00 } +createdAt: DateTimeImmutable @1690138867 {#4225 : 2023-07-23 21:01:07.0 +02:00 } } +root: App\Entity\EntryComment {#4229} +body: """ I’m a little new to the terminology, so to clarify, the switching current refers to the amperage across the terminals other than the coil, right? I’m definitely within those limits; I don’t expect to transfer more than ~1/8 of the maximum amperage.\n \n Is there a rule of thumb for the minimum current I should allow across the coil? The only specification I see on the datasheet for coil amperage is that it was tested to failure at 100mA. I don’t think power consumption is too big of a deal with this use case, but resistive heating sounds like it could shorten component life (and even if it’s only a secondary consideration here, I’d still prefer to minimize waste). 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"https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4229 +user: App\Entity\User {#4242 +avatar: null +cover: null +email: "empireOfLove@lemmy.one" +username: "@empireOfLove@lemmy.one" +roles: [] +followersCount: 0 +homepage: "front" +about: """ ***DEAD ACCOUNT. Lemmy.one does not have active administration and I need to move on. Catch me over at dbzer0: [lemmy.dbzer0.com/u/empireOfLove2](https://lemmy.dbzer0.com/u/empireOfLove2)***\n \n Yet another Reddit refugee from the great 3rd party app purge of 2023. Obligatory fuck /u/Spez. 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There is always a slight resistance between dissimilar contacts, and carrying current across the contacts creates heat, so they have a max rated current for continuous use. They can often exceed this, but only for short periods before needing a duty cycle cooldown.\n \n When the relay switches high near-max currents, especially in DC, it generates a large arc across the contacts. This makes them heat up. This limits the actuation frequency because too many arcs at max/overcurrent will overheat the contacts and could cause them to fuse together.\n \n But the coil itself is designed such that it will never overheat on it’s own just from the trigger voltage. Granted it’ll waste a lot of power to resistive heating that is undesirable if your goal is power efficiency, but it will be perfectly OK. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690144235 {#4223 : 2023-07-23 22:30:35.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4230 …} +nested: Doctrine\ORM\PersistentCollection {#4232 …} +votes: Doctrine\ORM\PersistentCollection {#4234 …} +reports: Doctrine\ORM\PersistentCollection {#4236 …} +favourites: Doctrine\ORM\PersistentCollection {#4238 …} +notifications: Doctrine\ORM\PersistentCollection {#4240 …} -id: 23262 -bodyTs: "'100':12 'across':39,87 'actuat':98 'alway':11,29 'arc':86,103 'carri':37 'caus':112 'certain':5 'coil':25,119 'contact':35,41,89,109 'continu':52 'cooldown':69 'could':111 'creat':42 'current':22,38,50,78 'cycl':9,16,68 'dc':81 'design':122 'dissimilar':34 'duti':8,15,67 'effici':157 'especi':79 'exceed':57 'frequenc':99 'fuse':115 'generat':83 'goal':154 'grant':138 'heat':43,93,148 'high':74 'larg':85 'limit':96 'll':140 'load':6 'lot':143 'make':91 'mani':102 'max':48,77 'max/overcurrent':105 'near':76 'near-max':75 'need':65 'never':127 'often':56 'ok':163 'oper':26 'otherwis':2 'overheat':107,128 'perfect':162 'period':63 'power':145,156 'rate':49 'relat':19 'relay':7,14,72 'resist':32,147 'short':62 'slight':31 'specifi':3 'switch':21,73 'togeth':116 'trigger':136 'undesir':151 'unless':1 'use':53 'voltag':137 'wast':141" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.one/comment/1411557" +editedAt: DateTimeImmutable @1690138891 {#4224 : 2023-07-23 21:01:31.0 +02:00 } +createdAt: DateTimeImmutable @1690138867 {#4225 : 2023-07-23 21:01:07.0 +02:00 } } +root: App\Entity\EntryComment {#4229} +body: """ I’m a little new to the terminology, so to clarify, the switching current refers to the amperage across the terminals other than the coil, right? I’m definitely within those limits; I don’t expect to transfer more than ~1/8 of the maximum amperage.\n \n Is there a rule of thumb for the minimum current I should allow across the coil? The only specification I see on the datasheet for coil amperage is that it was tested to failure at 100mA. I don’t think power consumption is too big of a deal with this use case, but resistive heating sounds like it could shorten component life (and even if it’s only a secondary consideration here, I’d still prefer to minimize waste). 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"https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4504 +user: Proxies\__CG__\App\Entity\User {#1943 …2} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4229 +user: App\Entity\User {#4242} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ Unless otherwise specified at certain loads, relay duty cycles are always 100%.\n \n Most relay duty cycles are in relation to *switching currents*, not the coil operation. There is always a slight resistance between dissimilar contacts, and carrying current across the contacts creates heat, so they have a max rated current for continuous use. They can often exceed this, but only for short periods before needing a duty cycle cooldown.\n \n When the relay switches high near-max currents, especially in DC, it generates a large arc across the contacts. This makes them heat up. This limits the actuation frequency because too many arcs at max/overcurrent will overheat the contacts and could cause them to fuse together.\n \n But the coil itself is designed such that it will never overheat on it’s own just from the trigger voltage. Granted it’ll waste a lot of power to resistive heating that is undesirable if your goal is power efficiency, but it will be perfectly OK. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690144235 {#4223 : 2023-07-23 22:30:35.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4230 …} +nested: Doctrine\ORM\PersistentCollection {#4232 …} +votes: Doctrine\ORM\PersistentCollection {#4234 …} +reports: Doctrine\ORM\PersistentCollection {#4236 …} +favourites: Doctrine\ORM\PersistentCollection {#4238 …} +notifications: Doctrine\ORM\PersistentCollection {#4240 …} -id: 23262 -bodyTs: "'100':12 'across':39,87 'actuat':98 'alway':11,29 'arc':86,103 'carri':37 'caus':112 'certain':5 'coil':25,119 'contact':35,41,89,109 'continu':52 'cooldown':69 'could':111 'creat':42 'current':22,38,50,78 'cycl':9,16,68 'dc':81 'design':122 'dissimilar':34 'duti':8,15,67 'effici':157 'especi':79 'exceed':57 'frequenc':99 'fuse':115 'generat':83 'goal':154 'grant':138 'heat':43,93,148 'high':74 'larg':85 'limit':96 'll':140 'load':6 'lot':143 'make':91 'mani':102 'max':48,77 'max/overcurrent':105 'near':76 'near-max':75 'need':65 'never':127 'often':56 'ok':163 'oper':26 'otherwis':2 'overheat':107,128 'perfect':162 'period':63 'power':145,156 'rate':49 'relat':19 'relay':7,14,72 'resist':32,147 'short':62 'slight':31 'specifi':3 'switch':21,73 'togeth':116 'trigger':136 'undesir':151 'unless':1 'use':53 'voltag':137 'wast':141" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.one/comment/1411557" +editedAt: DateTimeImmutable @1690138891 {#4224 : 2023-07-23 21:01:31.0 +02:00 } +createdAt: DateTimeImmutable @1690138867 {#4225 : 2023-07-23 21:01:07.0 +02:00 } } +root: App\Entity\EntryComment {#4229} +body: """ I’m a little new to the terminology, so to clarify, the switching current refers to the amperage across the terminals other than the coil, right? I’m definitely within those limits; I don’t expect to transfer more than ~1/8 of the maximum amperage.\n \n Is there a rule of thumb for the minimum current I should allow across the coil? The only specification I see on the datasheet for coil amperage is that it was tested to failure at 100mA. I don’t think power consumption is too big of a deal with this use case, but resistive heating sounds like it could shorten component life (and even if it’s only a secondary consideration here, I’d still prefer to minimize waste). """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690143291 {#4502 : 2023-07-23 22:14:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@empireOfLove@lemmy.one" ] +children: Doctrine\ORM\PersistentCollection {#4505 …} +nested: Doctrine\ORM\PersistentCollection {#4507 …} +votes: Doctrine\ORM\PersistentCollection {#4509 …} +reports: Doctrine\ORM\PersistentCollection {#4511 …} +favourites: Doctrine\ORM\PersistentCollection {#4513 …} +notifications: Doctrine\ORM\PersistentCollection {#4515 …} -id: 23273 -bodyTs: "'1/8':41 '100ma':81 'across':19,59 'allow':58 'amperag':18,45,72 'big':90 'case':97 'clarifi':11 'coil':25,61,71 'compon':106 'consider':116 'consumpt':87 'could':104 'current':14,55 'd':119 'datasheet':69 'deal':93 'definit':29 'even':109 'expect':36 'failur':79 'heat':100 'life':107 'like':102 'limit':32 'littl':4 'm':2,28 'maximum':44 'minim':123 'minimum':54 'new':5 'power':86 'prefer':121 'refer':15 'resist':99 'right':26 'rule':49 'secondari':115 'see':66 'shorten':105 'sound':101 'specif':64 'still':120 'switch':13 'termin':21 'terminolog':8 'test':77 'think':85 'thumb':51 'transfer':38 'use':96 'wast':124 'within':30" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1280598" +editedAt: null +createdAt: DateTimeImmutable @1690143291 {#4503 : 2023-07-23 22:14:51.0 +02:00 } } +root: App\Entity\EntryComment {#4229} +body: """ > the switching current refers to the amperage across the terminals other than the coil\n \n Yes. “Switching current” is the load current being controlled across the main contacts. I figured you were well within specs, I was just clarifying what typically limits relay duty cycle other than the coil.\n \n > Is there a rule of thumb for the minimum current I should allow across the coil?\n \n Stick to the rated coil voltage in the datasheet or below and you’ll be fine. They set the coil resistance to be within the safe current zone per V=IR at rated control voltage.\n \n Many relays can reliably switch well underneath their rated control voltage depending on their design- there’s a *lot* of safety factor built in. I’ve had some 12v automotive relays switch successfully at around 5v (by accident, lol). Experiment a bit and you may be able to cut down on waste power\n \n Just be aware that control voltage (coil) and rated switching voltage (load) is often different, since many relays use low control voltages to switch high voltage loads. Don’t confuse the two! 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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4504 +user: Proxies\__CG__\App\Entity\User {#1943 …2} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4229 +user: App\Entity\User {#4242} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ Unless otherwise specified at certain loads, relay duty cycles are always 100%.\n \n Most relay duty cycles are in relation to *switching currents*, not the coil operation. There is always a slight resistance between dissimilar contacts, and carrying current across the contacts creates heat, so they have a max rated current for continuous use. They can often exceed this, but only for short periods before needing a duty cycle cooldown.\n \n When the relay switches high near-max currents, especially in DC, it generates a large arc across the contacts. This makes them heat up. This limits the actuation frequency because too many arcs at max/overcurrent will overheat the contacts and could cause them to fuse together.\n \n But the coil itself is designed such that it will never overheat on it’s own just from the trigger voltage. Granted it’ll waste a lot of power to resistive heating that is undesirable if your goal is power efficiency, but it will be perfectly OK. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690144235 {#4223 : 2023-07-23 22:30:35.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4230 …} +nested: Doctrine\ORM\PersistentCollection {#4232 …} +votes: Doctrine\ORM\PersistentCollection {#4234 …} +reports: Doctrine\ORM\PersistentCollection {#4236 …} +favourites: Doctrine\ORM\PersistentCollection {#4238 …} +notifications: Doctrine\ORM\PersistentCollection {#4240 …} -id: 23262 -bodyTs: "'100':12 'across':39,87 'actuat':98 'alway':11,29 'arc':86,103 'carri':37 'caus':112 'certain':5 'coil':25,119 'contact':35,41,89,109 'continu':52 'cooldown':69 'could':111 'creat':42 'current':22,38,50,78 'cycl':9,16,68 'dc':81 'design':122 'dissimilar':34 'duti':8,15,67 'effici':157 'especi':79 'exceed':57 'frequenc':99 'fuse':115 'generat':83 'goal':154 'grant':138 'heat':43,93,148 'high':74 'larg':85 'limit':96 'll':140 'load':6 'lot':143 'make':91 'mani':102 'max':48,77 'max/overcurrent':105 'near':76 'near-max':75 'need':65 'never':127 'often':56 'ok':163 'oper':26 'otherwis':2 'overheat':107,128 'perfect':162 'period':63 'power':145,156 'rate':49 'relat':19 'relay':7,14,72 'resist':32,147 'short':62 'slight':31 'specifi':3 'switch':21,73 'togeth':116 'trigger':136 'undesir':151 'unless':1 'use':53 'voltag':137 'wast':141" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.one/comment/1411557" +editedAt: DateTimeImmutable @1690138891 {#4224 : 2023-07-23 21:01:31.0 +02:00 } +createdAt: DateTimeImmutable @1690138867 {#4225 : 2023-07-23 21:01:07.0 +02:00 } } +root: App\Entity\EntryComment {#4229} +body: """ I’m a little new to the terminology, so to clarify, the switching current refers to the amperage across the terminals other than the coil, right? I’m definitely within those limits; I don’t expect to transfer more than ~1/8 of the maximum amperage.\n \n Is there a rule of thumb for the minimum current I should allow across the coil? The only specification I see on the datasheet for coil amperage is that it was tested to failure at 100mA. I don’t think power consumption is too big of a deal with this use case, but resistive heating sounds like it could shorten component life (and even if it’s only a secondary consideration here, I’d still prefer to minimize waste). """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690143291 {#4502 : 2023-07-23 22:14:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@empireOfLove@lemmy.one" ] +children: Doctrine\ORM\PersistentCollection {#4505 …} +nested: Doctrine\ORM\PersistentCollection {#4507 …} +votes: Doctrine\ORM\PersistentCollection {#4509 …} +reports: Doctrine\ORM\PersistentCollection {#4511 …} +favourites: Doctrine\ORM\PersistentCollection {#4513 …} +notifications: Doctrine\ORM\PersistentCollection {#4515 …} -id: 23273 -bodyTs: "'1/8':41 '100ma':81 'across':19,59 'allow':58 'amperag':18,45,72 'big':90 'case':97 'clarifi':11 'coil':25,61,71 'compon':106 'consider':116 'consumpt':87 'could':104 'current':14,55 'd':119 'datasheet':69 'deal':93 'definit':29 'even':109 'expect':36 'failur':79 'heat':100 'life':107 'like':102 'limit':32 'littl':4 'm':2,28 'maximum':44 'minim':123 'minimum':54 'new':5 'power':86 'prefer':121 'refer':15 'resist':99 'right':26 'rule':49 'secondari':115 'see':66 'shorten':105 'sound':101 'specif':64 'still':120 'switch':13 'termin':21 'terminolog':8 'test':77 'think':85 'thumb':51 'transfer':38 'use':96 'wast':124 'within':30" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1280598" +editedAt: null +createdAt: DateTimeImmutable @1690143291 {#4503 : 2023-07-23 22:14:51.0 +02:00 } } +root: App\Entity\EntryComment {#4229} +body: """ > the switching current refers to the amperage across the terminals other than the coil\n \n Yes. “Switching current” is the load current being controlled across the main contacts. I figured you were well within specs, I was just clarifying what typically limits relay duty cycle other than the coil.\n \n > Is there a rule of thumb for the minimum current I should allow across the coil?\n \n Stick to the rated coil voltage in the datasheet or below and you’ll be fine. They set the coil resistance to be within the safe current zone per V=IR at rated control voltage.\n \n Many relays can reliably switch well underneath their rated control voltage depending on their design- there’s a *lot* of safety factor built in. I’ve had some 12v automotive relays switch successfully at around 5v (by accident, lol). Experiment a bit and you may be able to cut down on waste power\n \n Just be aware that control voltage (coil) and rated switching voltage (load) is often different, since many relays use low control voltages to switch high voltage loads. Don’t confuse the two! """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690144234 {#4556 : 2023-07-23 22:30:34.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@empireOfLove@lemmy.one" ] +children: Doctrine\ORM\PersistentCollection {#4559 …} +nested: Doctrine\ORM\PersistentCollection {#4561 …} +votes: Doctrine\ORM\PersistentCollection {#4563 …} +reports: Doctrine\ORM\PersistentCollection {#4565 …} +favourites: Doctrine\ORM\PersistentCollection {#4567 …} +notifications: Doctrine\ORM\PersistentCollection {#4569 …} -id: 23275 -bodyTs: "'12v':128 '5v':135 'abl':146 'accid':137 'across':8,24,62 'allow':61 'amperag':7 'around':134 'automot':129 'awar':155 'bit':141 'built':122 'clarifi':38 'coil':14,48,64,69,84,159 'confus':182 'contact':27 'control':23,98,109,157,173 'current':3,17,21,58,91 'cut':148 'cycl':44 'datasheet':73 'depend':111 'design':114 'differ':167 'duti':43 'experi':139 'factor':121 'figur':29 'fine':80 'high':177 'ir':95 'limit':41 'll':78 'load':20,164,179 'lol':138 'lot':118 'low':172 'main':26 'mani':100,169 'may':144 'minimum':57 'often':166 'per':93 'power':152 'rate':68,97,108,161 'refer':4 'relay':42,101,130,170 'reliabl':103 'resist':85 'rule':52 'safe':90 'safeti':120 'set':82 'sinc':168 'spec':34 'stick':65 'success':132 'switch':2,16,104,131,162,176 'termin':10 'thumb':54 'two':184 'typic':40 'underneath':106 'use':171 'v':94 've':125 'voltag':70,99,110,158,163,174,178 'wast':151 'well':32,105 'within':33,88 'yes':15 'zone':92" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.one/comment/1413628" +editedAt: null +createdAt: DateTimeImmutable @1690144234 {#4557 : 2023-07-23 22:30:34.0 +02:00 } } +showMagazineName: false +showEntryTitle: false +showNested: true +level: 3 +canSeeTrash: false +dateAsUrl: false -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} -authorizationChecker: Symfony\Component\Security\Core\Authorization\AuthorizationChecker {#931 …} } |
user_inline | App\Twig\Components\UserInlineComponent | 12.0 MiB | 0.21 ms | |
---|---|---|---|---|
Input props | [ "user" => App\Entity\User {#4242 +avatar: null +cover: null +email: "empireOfLove@lemmy.one" +username: "@empireOfLove@lemmy.one" +roles: [] +followersCount: 0 +homepage: "front" +about: """ ***DEAD ACCOUNT. Lemmy.one does not have active administration and I need to move on. Catch me over at dbzer0: [lemmy.dbzer0.com/u/empireOfLove2](https://lemmy.dbzer0.com/u/empireOfLove2)***\n \n Yet another Reddit refugee from the great 3rd party app purge of 2023. Obligatory fuck /u/Spez. """ +lastActive: DateTime @1711356701 {#4226 : 2024-03-25 09:51:41.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4243 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4245 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4247 …} +entries: Doctrine\ORM\PersistentCollection {#4249 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4251 …} +entryComments: Doctrine\ORM\PersistentCollection {#4253 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4255 …} +posts: Doctrine\ORM\PersistentCollection {#4257 …} +postVotes: Doctrine\ORM\PersistentCollection {#4259 …} +postComments: Doctrine\ORM\PersistentCollection {#4261 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4263 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4265 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4267 …} +follows: Doctrine\ORM\PersistentCollection {#4269 …} +followers: Doctrine\ORM\PersistentCollection {#4271 …} +blocks: Doctrine\ORM\PersistentCollection {#4273 …} +blockers: Doctrine\ORM\PersistentCollection {#4275 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4277 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4279 …} +reports: Doctrine\ORM\PersistentCollection {#4281 …} +favourites: Doctrine\ORM\PersistentCollection {#4283 …} +violations: Doctrine\ORM\PersistentCollection {#4285 …} +notifications: Doctrine\ORM\PersistentCollection {#4287 …} +awards: Doctrine\ORM\PersistentCollection {#4289 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4291 …} +categories: Doctrine\ORM\PersistentCollection {#4293 …} -id: 9226 -password: "$2y$13$jwekzKCTw8B.VmLHL05LeOB5QbA8YqmxsvRJM8jjPOWS5PC2Bh/Q6" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4295 …} +apId: "empireOfLove@lemmy.one" +apProfileId: "https://lemmy.one/u/empireOfLove" +apPublicUrl: "https://lemmy.one/u/empireOfLove" +apFollowersUrl: null +apInboxUrl: "https://lemmy.one/inbox" +apDomain: "lemmy.one" +apPreferredUsername: "empireOfLove" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1725343425 {#4227 : 2024-09-03 08:03:45.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687529967 {#4228 : 2023-06-23 16:19:27.0 +02:00 } } "showAvatar" => false ] |
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Attributes | [] |
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Component | App\Twig\Components\UserInlineComponent {#11122 +user: App\Entity\User {#4242 +avatar: null +cover: null +email: "empireOfLove@lemmy.one" +username: "@empireOfLove@lemmy.one" +roles: [] +followersCount: 0 +homepage: "front" +about: """ ***DEAD ACCOUNT. Lemmy.one does not have active administration and I need to move on. Catch me over at dbzer0: [lemmy.dbzer0.com/u/empireOfLove2](https://lemmy.dbzer0.com/u/empireOfLove2)***\n \n Yet another Reddit refugee from the great 3rd party app purge of 2023. Obligatory fuck /u/Spez. """ +lastActive: DateTime @1711356701 {#4226 : 2024-03-25 09:51:41.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4243 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4245 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4247 …} +entries: Doctrine\ORM\PersistentCollection {#4249 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4251 …} +entryComments: Doctrine\ORM\PersistentCollection {#4253 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4255 …} +posts: Doctrine\ORM\PersistentCollection {#4257 …} +postVotes: Doctrine\ORM\PersistentCollection {#4259 …} +postComments: Doctrine\ORM\PersistentCollection {#4261 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4263 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4265 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4267 …} +follows: Doctrine\ORM\PersistentCollection {#4269 …} +followers: Doctrine\ORM\PersistentCollection {#4271 …} +blocks: Doctrine\ORM\PersistentCollection {#4273 …} +blockers: Doctrine\ORM\PersistentCollection {#4275 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4277 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4279 …} +reports: Doctrine\ORM\PersistentCollection {#4281 …} +favourites: Doctrine\ORM\PersistentCollection {#4283 …} +violations: Doctrine\ORM\PersistentCollection {#4285 …} +notifications: Doctrine\ORM\PersistentCollection {#4287 …} +awards: Doctrine\ORM\PersistentCollection {#4289 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4291 …} +categories: Doctrine\ORM\PersistentCollection {#4293 …} -id: 9226 -password: "$2y$13$jwekzKCTw8B.VmLHL05LeOB5QbA8YqmxsvRJM8jjPOWS5PC2Bh/Q6" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4295 …} +apId: "empireOfLove@lemmy.one" +apProfileId: "https://lemmy.one/u/empireOfLove" +apPublicUrl: "https://lemmy.one/u/empireOfLove" +apFollowersUrl: null +apInboxUrl: "https://lemmy.one/inbox" +apDomain: "lemmy.one" +apPreferredUsername: "empireOfLove" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1725343425 {#4227 : 2024-09-03 08:03:45.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687529967 {#4228 : 2023-06-23 16:19:27.0 +02:00 } } +showAvatar: false } |
date | App\Twig\Components\DateComponent | 12.0 MiB | 0.20 ms | |
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Input props | [ "date" => DateTimeImmutable @1690144234 {#4557 : 2023-07-23 22:30:34.0 +02:00 } ] |
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Attributes | [] |
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Component | App\Twig\Components\DateComponent {#11177 +date: DateTimeImmutable @1690144234 {#4557 : 2023-07-23 22:30:34.0 +02:00 } } |
date_edited | App\Twig\Components\DateEditedComponent | 12.0 MiB | 0.14 ms | |
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Input props | [ "createdAt" => DateTimeImmutable @1690144234 {#4557 : 2023-07-23 22:30:34.0 +02:00 } "editedAt" => null ] |
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Attributes | [] |
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Component | App\Twig\Components\DateEditedComponent {#11231 +createdAt: DateTimeImmutable @1690144234 {#4557 : 2023-07-23 22:30:34.0 +02:00 } +editedAt: null } |
user_avatar | App\Twig\Components\UserAvatarComponent | 12.0 MiB | 0.20 ms | |
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Input props | [ "user" => App\Entity\User {#4242 +avatar: null +cover: null +email: "empireOfLove@lemmy.one" +username: "@empireOfLove@lemmy.one" +roles: [] +followersCount: 0 +homepage: "front" +about: """ ***DEAD ACCOUNT. Lemmy.one does not have active administration and I need to move on. Catch me over at dbzer0: [lemmy.dbzer0.com/u/empireOfLove2](https://lemmy.dbzer0.com/u/empireOfLove2)***\n \n Yet another Reddit refugee from the great 3rd party app purge of 2023. Obligatory fuck /u/Spez. """ +lastActive: DateTime @1711356701 {#4226 : 2024-03-25 09:51:41.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4243 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4245 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4247 …} +entries: Doctrine\ORM\PersistentCollection {#4249 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4251 …} +entryComments: Doctrine\ORM\PersistentCollection {#4253 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4255 …} +posts: Doctrine\ORM\PersistentCollection {#4257 …} +postVotes: Doctrine\ORM\PersistentCollection {#4259 …} +postComments: Doctrine\ORM\PersistentCollection {#4261 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4263 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4265 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4267 …} +follows: Doctrine\ORM\PersistentCollection {#4269 …} +followers: Doctrine\ORM\PersistentCollection {#4271 …} +blocks: Doctrine\ORM\PersistentCollection {#4273 …} +blockers: Doctrine\ORM\PersistentCollection {#4275 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4277 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4279 …} +reports: Doctrine\ORM\PersistentCollection {#4281 …} +favourites: Doctrine\ORM\PersistentCollection {#4283 …} +violations: Doctrine\ORM\PersistentCollection {#4285 …} +notifications: Doctrine\ORM\PersistentCollection {#4287 …} +awards: Doctrine\ORM\PersistentCollection {#4289 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4291 …} +categories: Doctrine\ORM\PersistentCollection {#4293 …} -id: 9226 -password: "$2y$13$jwekzKCTw8B.VmLHL05LeOB5QbA8YqmxsvRJM8jjPOWS5PC2Bh/Q6" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4295 …} +apId: "empireOfLove@lemmy.one" +apProfileId: "https://lemmy.one/u/empireOfLove" +apPublicUrl: "https://lemmy.one/u/empireOfLove" +apFollowersUrl: null +apInboxUrl: "https://lemmy.one/inbox" +apDomain: "lemmy.one" +apPreferredUsername: "empireOfLove" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1725343425 {#4227 : 2024-09-03 08:03:45.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687529967 {#4228 : 2023-06-23 16:19:27.0 +02:00 } } "width" => 40 "height" => 40 "asLink" => true ] |
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Attributes | [] |
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Component | App\Twig\Components\UserAvatarComponent {#11285 +width: 40 +height: 40 +user: App\Entity\User {#4242 +avatar: null +cover: null +email: "empireOfLove@lemmy.one" +username: "@empireOfLove@lemmy.one" +roles: [] +followersCount: 0 +homepage: "front" +about: """ ***DEAD ACCOUNT. Lemmy.one does not have active administration and I need to move on. Catch me over at dbzer0: [lemmy.dbzer0.com/u/empireOfLove2](https://lemmy.dbzer0.com/u/empireOfLove2)***\n \n Yet another Reddit refugee from the great 3rd party app purge of 2023. Obligatory fuck /u/Spez. """ +lastActive: DateTime @1711356701 {#4226 : 2024-03-25 09:51:41.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4243 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4245 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4247 …} +entries: Doctrine\ORM\PersistentCollection {#4249 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4251 …} +entryComments: Doctrine\ORM\PersistentCollection {#4253 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4255 …} +posts: Doctrine\ORM\PersistentCollection {#4257 …} +postVotes: Doctrine\ORM\PersistentCollection {#4259 …} +postComments: Doctrine\ORM\PersistentCollection {#4261 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4263 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4265 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4267 …} +follows: Doctrine\ORM\PersistentCollection {#4269 …} +followers: Doctrine\ORM\PersistentCollection {#4271 …} +blocks: Doctrine\ORM\PersistentCollection {#4273 …} +blockers: Doctrine\ORM\PersistentCollection {#4275 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4277 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4279 …} +reports: Doctrine\ORM\PersistentCollection {#4281 …} +favourites: Doctrine\ORM\PersistentCollection {#4283 …} +violations: Doctrine\ORM\PersistentCollection {#4285 …} +notifications: Doctrine\ORM\PersistentCollection {#4287 …} +awards: Doctrine\ORM\PersistentCollection {#4289 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4291 …} +categories: Doctrine\ORM\PersistentCollection {#4293 …} -id: 9226 -password: "$2y$13$jwekzKCTw8B.VmLHL05LeOB5QbA8YqmxsvRJM8jjPOWS5PC2Bh/Q6" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4295 …} +apId: "empireOfLove@lemmy.one" +apProfileId: "https://lemmy.one/u/empireOfLove" +apPublicUrl: "https://lemmy.one/u/empireOfLove" +apFollowersUrl: null +apInboxUrl: "https://lemmy.one/inbox" +apDomain: "lemmy.one" +apPreferredUsername: "empireOfLove" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1725343425 {#4227 : 2024-09-03 08:03:45.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687529967 {#4228 : 2023-06-23 16:19:27.0 +02:00 } } +asLink: true } |
vote | App\Twig\Components\VoteComponent | 12.0 MiB | 0.56 ms | |
---|---|---|---|---|
Input props | [ "subject" => App\Entity\EntryComment {#4558 +user: App\Entity\User {#4242 +avatar: null +cover: null +email: "empireOfLove@lemmy.one" +username: "@empireOfLove@lemmy.one" +roles: [] +followersCount: 0 +homepage: "front" +about: """ ***DEAD ACCOUNT. Lemmy.one does not have active administration and I need to move on. Catch me over at dbzer0: [lemmy.dbzer0.com/u/empireOfLove2](https://lemmy.dbzer0.com/u/empireOfLove2)***\n \n Yet another Reddit refugee from the great 3rd party app purge of 2023. Obligatory fuck /u/Spez. """ +lastActive: DateTime @1711356701 {#4226 : 2024-03-25 09:51:41.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4243 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4245 …} +moderatorRequests: 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"https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4504 +user: Proxies\__CG__\App\Entity\User {#1943 …2} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4229 +user: App\Entity\User {#4242} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ Unless otherwise specified at certain loads, relay duty cycles are always 100%.\n \n Most relay duty cycles are in relation to *switching currents*, not the coil operation. There is always a slight resistance between dissimilar contacts, and carrying current across the contacts creates heat, so they have a max rated current for continuous use. They can often exceed this, but only for short periods before needing a duty cycle cooldown.\n \n When the relay switches high near-max currents, especially in DC, it generates a large arc across the contacts. This makes them heat up. This limits the actuation frequency because too many arcs at max/overcurrent will overheat the contacts and could cause them to fuse together.\n \n But the coil itself is designed such that it will never overheat on it’s own just from the trigger voltage. Granted it’ll waste a lot of power to resistive heating that is undesirable if your goal is power efficiency, but it will be perfectly OK. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690144235 {#4223 : 2023-07-23 22:30:35.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4230 …} +nested: Doctrine\ORM\PersistentCollection {#4232 …} +votes: Doctrine\ORM\PersistentCollection {#4234 …} +reports: Doctrine\ORM\PersistentCollection {#4236 …} +favourites: Doctrine\ORM\PersistentCollection {#4238 …} +notifications: Doctrine\ORM\PersistentCollection {#4240 …} -id: 23262 -bodyTs: "'100':12 'across':39,87 'actuat':98 'alway':11,29 'arc':86,103 'carri':37 'caus':112 'certain':5 'coil':25,119 'contact':35,41,89,109 'continu':52 'cooldown':69 'could':111 'creat':42 'current':22,38,50,78 'cycl':9,16,68 'dc':81 'design':122 'dissimilar':34 'duti':8,15,67 'effici':157 'especi':79 'exceed':57 'frequenc':99 'fuse':115 'generat':83 'goal':154 'grant':138 'heat':43,93,148 'high':74 'larg':85 'limit':96 'll':140 'load':6 'lot':143 'make':91 'mani':102 'max':48,77 'max/overcurrent':105 'near':76 'near-max':75 'need':65 'never':127 'often':56 'ok':163 'oper':26 'otherwis':2 'overheat':107,128 'perfect':162 'period':63 'power':145,156 'rate':49 'relat':19 'relay':7,14,72 'resist':32,147 'short':62 'slight':31 'specifi':3 'switch':21,73 'togeth':116 'trigger':136 'undesir':151 'unless':1 'use':53 'voltag':137 'wast':141" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.one/comment/1411557" +editedAt: DateTimeImmutable @1690138891 {#4224 : 2023-07-23 21:01:31.0 +02:00 } +createdAt: DateTimeImmutable @1690138867 {#4225 : 2023-07-23 21:01:07.0 +02:00 } } +root: App\Entity\EntryComment {#4229} +body: """ I’m a little new to the terminology, so to clarify, the switching current refers to the amperage across the terminals other than the coil, right? I’m definitely within those limits; I don’t expect to transfer more than ~1/8 of the maximum amperage.\n \n Is there a rule of thumb for the minimum current I should allow across the coil? The only specification I see on the datasheet for coil amperage is that it was tested to failure at 100mA. I don’t think power consumption is too big of a deal with this use case, but resistive heating sounds like it could shorten component life (and even if it’s only a secondary consideration here, I’d still prefer to minimize waste). """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690143291 {#4502 : 2023-07-23 22:14:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@empireOfLove@lemmy.one" ] +children: Doctrine\ORM\PersistentCollection {#4505 …} +nested: Doctrine\ORM\PersistentCollection {#4507 …} +votes: Doctrine\ORM\PersistentCollection {#4509 …} +reports: Doctrine\ORM\PersistentCollection {#4511 …} +favourites: Doctrine\ORM\PersistentCollection {#4513 …} +notifications: Doctrine\ORM\PersistentCollection {#4515 …} -id: 23273 -bodyTs: "'1/8':41 '100ma':81 'across':19,59 'allow':58 'amperag':18,45,72 'big':90 'case':97 'clarifi':11 'coil':25,61,71 'compon':106 'consider':116 'consumpt':87 'could':104 'current':14,55 'd':119 'datasheet':69 'deal':93 'definit':29 'even':109 'expect':36 'failur':79 'heat':100 'life':107 'like':102 'limit':32 'littl':4 'm':2,28 'maximum':44 'minim':123 'minimum':54 'new':5 'power':86 'prefer':121 'refer':15 'resist':99 'right':26 'rule':49 'secondari':115 'see':66 'shorten':105 'sound':101 'specif':64 'still':120 'switch':13 'termin':21 'terminolog':8 'test':77 'think':85 'thumb':51 'transfer':38 'use':96 'wast':124 'within':30" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1280598" +editedAt: null +createdAt: DateTimeImmutable @1690143291 {#4503 : 2023-07-23 22:14:51.0 +02:00 } } +root: App\Entity\EntryComment {#4229} +body: """ > the switching current refers to the amperage across the terminals other than the coil\n \n Yes. “Switching current” is the load current being controlled across the main contacts. I figured you were well within specs, I was just clarifying what typically limits relay duty cycle other than the coil.\n \n > Is there a rule of thumb for the minimum current I should allow across the coil?\n \n Stick to the rated coil voltage in the datasheet or below and you’ll be fine. They set the coil resistance to be within the safe current zone per V=IR at rated control voltage.\n \n Many relays can reliably switch well underneath their rated control voltage depending on their design- there’s a *lot* of safety factor built in. I’ve had some 12v automotive relays switch successfully at around 5v (by accident, lol). Experiment a bit and you may be able to cut down on waste power\n \n Just be aware that control voltage (coil) and rated switching voltage (load) is often different, since many relays use low control voltages to switch high voltage loads. Don’t confuse the two! 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"https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4504 +user: Proxies\__CG__\App\Entity\User {#1943 …2} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4229 +user: App\Entity\User {#4242} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ Unless otherwise specified at certain loads, relay duty cycles are always 100%.\n \n Most relay duty cycles are in relation to *switching currents*, not the coil operation. There is always a slight resistance between dissimilar contacts, and carrying current across the contacts creates heat, so they have a max rated current for continuous use. They can often exceed this, but only for short periods before needing a duty cycle cooldown.\n \n When the relay switches high near-max currents, especially in DC, it generates a large arc across the contacts. This makes them heat up. This limits the actuation frequency because too many arcs at max/overcurrent will overheat the contacts and could cause them to fuse together.\n \n But the coil itself is designed such that it will never overheat on it’s own just from the trigger voltage. Granted it’ll waste a lot of power to resistive heating that is undesirable if your goal is power efficiency, but it will be perfectly OK. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690144235 {#4223 : 2023-07-23 22:30:35.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4230 …} +nested: Doctrine\ORM\PersistentCollection {#4232 …} +votes: Doctrine\ORM\PersistentCollection {#4234 …} +reports: Doctrine\ORM\PersistentCollection {#4236 …} +favourites: Doctrine\ORM\PersistentCollection {#4238 …} +notifications: Doctrine\ORM\PersistentCollection {#4240 …} -id: 23262 -bodyTs: "'100':12 'across':39,87 'actuat':98 'alway':11,29 'arc':86,103 'carri':37 'caus':112 'certain':5 'coil':25,119 'contact':35,41,89,109 'continu':52 'cooldown':69 'could':111 'creat':42 'current':22,38,50,78 'cycl':9,16,68 'dc':81 'design':122 'dissimilar':34 'duti':8,15,67 'effici':157 'especi':79 'exceed':57 'frequenc':99 'fuse':115 'generat':83 'goal':154 'grant':138 'heat':43,93,148 'high':74 'larg':85 'limit':96 'll':140 'load':6 'lot':143 'make':91 'mani':102 'max':48,77 'max/overcurrent':105 'near':76 'near-max':75 'need':65 'never':127 'often':56 'ok':163 'oper':26 'otherwis':2 'overheat':107,128 'perfect':162 'period':63 'power':145,156 'rate':49 'relat':19 'relay':7,14,72 'resist':32,147 'short':62 'slight':31 'specifi':3 'switch':21,73 'togeth':116 'trigger':136 'undesir':151 'unless':1 'use':53 'voltag':137 'wast':141" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.one/comment/1411557" +editedAt: DateTimeImmutable @1690138891 {#4224 : 2023-07-23 21:01:31.0 +02:00 } +createdAt: DateTimeImmutable @1690138867 {#4225 : 2023-07-23 21:01:07.0 +02:00 } } +root: App\Entity\EntryComment {#4229} +body: """ I’m a little new to the terminology, so to clarify, the switching current refers to the amperage across the terminals other than the coil, right? I’m definitely within those limits; I don’t expect to transfer more than ~1/8 of the maximum amperage.\n \n Is there a rule of thumb for the minimum current I should allow across the coil? The only specification I see on the datasheet for coil amperage is that it was tested to failure at 100mA. I don’t think power consumption is too big of a deal with this use case, but resistive heating sounds like it could shorten component life (and even if it’s only a secondary consideration here, I’d still prefer to minimize waste). """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690143291 {#4502 : 2023-07-23 22:14:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@empireOfLove@lemmy.one" ] +children: Doctrine\ORM\PersistentCollection {#4505 …} +nested: Doctrine\ORM\PersistentCollection {#4507 …} +votes: Doctrine\ORM\PersistentCollection {#4509 …} +reports: Doctrine\ORM\PersistentCollection {#4511 …} +favourites: Doctrine\ORM\PersistentCollection {#4513 …} +notifications: Doctrine\ORM\PersistentCollection {#4515 …} -id: 23273 -bodyTs: "'1/8':41 '100ma':81 'across':19,59 'allow':58 'amperag':18,45,72 'big':90 'case':97 'clarifi':11 'coil':25,61,71 'compon':106 'consider':116 'consumpt':87 'could':104 'current':14,55 'd':119 'datasheet':69 'deal':93 'definit':29 'even':109 'expect':36 'failur':79 'heat':100 'life':107 'like':102 'limit':32 'littl':4 'm':2,28 'maximum':44 'minim':123 'minimum':54 'new':5 'power':86 'prefer':121 'refer':15 'resist':99 'right':26 'rule':49 'secondari':115 'see':66 'shorten':105 'sound':101 'specif':64 'still':120 'switch':13 'termin':21 'terminolog':8 'test':77 'think':85 'thumb':51 'transfer':38 'use':96 'wast':124 'within':30" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1280598" +editedAt: null +createdAt: DateTimeImmutable @1690143291 {#4503 : 2023-07-23 22:14:51.0 +02:00 } } +root: App\Entity\EntryComment {#4229} +body: """ > the switching current refers to the amperage across the terminals other than the coil\n \n Yes. “Switching current” is the load current being controlled across the main contacts. I figured you were well within specs, I was just clarifying what typically limits relay duty cycle other than the coil.\n \n > Is there a rule of thumb for the minimum current I should allow across the coil?\n \n Stick to the rated coil voltage in the datasheet or below and you’ll be fine. They set the coil resistance to be within the safe current zone per V=IR at rated control voltage.\n \n Many relays can reliably switch well underneath their rated control voltage depending on their design- there’s a *lot* of safety factor built in. I’ve had some 12v automotive relays switch successfully at around 5v (by accident, lol). Experiment a bit and you may be able to cut down on waste power\n \n Just be aware that control voltage (coil) and rated switching voltage (load) is often different, since many relays use low control voltages to switch high voltage loads. Don’t confuse the two! 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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4504 +user: Proxies\__CG__\App\Entity\User {#1943 …2} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4229 +user: App\Entity\User {#4242} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ Unless otherwise specified at certain loads, relay duty cycles are always 100%.\n \n Most relay duty cycles are in relation to *switching currents*, not the coil operation. There is always a slight resistance between dissimilar contacts, and carrying current across the contacts creates heat, so they have a max rated current for continuous use. They can often exceed this, but only for short periods before needing a duty cycle cooldown.\n \n When the relay switches high near-max currents, especially in DC, it generates a large arc across the contacts. This makes them heat up. This limits the actuation frequency because too many arcs at max/overcurrent will overheat the contacts and could cause them to fuse together.\n \n But the coil itself is designed such that it will never overheat on it’s own just from the trigger voltage. Granted it’ll waste a lot of power to resistive heating that is undesirable if your goal is power efficiency, but it will be perfectly OK. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690144235 {#4223 : 2023-07-23 22:30:35.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4230 …} +nested: Doctrine\ORM\PersistentCollection {#4232 …} +votes: Doctrine\ORM\PersistentCollection {#4234 …} +reports: Doctrine\ORM\PersistentCollection {#4236 …} +favourites: Doctrine\ORM\PersistentCollection {#4238 …} +notifications: Doctrine\ORM\PersistentCollection {#4240 …} -id: 23262 -bodyTs: "'100':12 'across':39,87 'actuat':98 'alway':11,29 'arc':86,103 'carri':37 'caus':112 'certain':5 'coil':25,119 'contact':35,41,89,109 'continu':52 'cooldown':69 'could':111 'creat':42 'current':22,38,50,78 'cycl':9,16,68 'dc':81 'design':122 'dissimilar':34 'duti':8,15,67 'effici':157 'especi':79 'exceed':57 'frequenc':99 'fuse':115 'generat':83 'goal':154 'grant':138 'heat':43,93,148 'high':74 'larg':85 'limit':96 'll':140 'load':6 'lot':143 'make':91 'mani':102 'max':48,77 'max/overcurrent':105 'near':76 'near-max':75 'need':65 'never':127 'often':56 'ok':163 'oper':26 'otherwis':2 'overheat':107,128 'perfect':162 'period':63 'power':145,156 'rate':49 'relat':19 'relay':7,14,72 'resist':32,147 'short':62 'slight':31 'specifi':3 'switch':21,73 'togeth':116 'trigger':136 'undesir':151 'unless':1 'use':53 'voltag':137 'wast':141" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.one/comment/1411557" +editedAt: DateTimeImmutable @1690138891 {#4224 : 2023-07-23 21:01:31.0 +02:00 } +createdAt: DateTimeImmutable @1690138867 {#4225 : 2023-07-23 21:01:07.0 +02:00 } } +root: App\Entity\EntryComment {#4229} +body: """ I’m a little new to the terminology, so to clarify, the switching current refers to the amperage across the terminals other than the coil, right? I’m definitely within those limits; I don’t expect to transfer more than ~1/8 of the maximum amperage.\n \n Is there a rule of thumb for the minimum current I should allow across the coil? The only specification I see on the datasheet for coil amperage is that it was tested to failure at 100mA. I don’t think power consumption is too big of a deal with this use case, but resistive heating sounds like it could shorten component life (and even if it’s only a secondary consideration here, I’d still prefer to minimize waste). """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690143291 {#4502 : 2023-07-23 22:14:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@empireOfLove@lemmy.one" ] +children: Doctrine\ORM\PersistentCollection {#4505 …} +nested: Doctrine\ORM\PersistentCollection {#4507 …} +votes: Doctrine\ORM\PersistentCollection {#4509 …} +reports: Doctrine\ORM\PersistentCollection {#4511 …} +favourites: Doctrine\ORM\PersistentCollection {#4513 …} +notifications: Doctrine\ORM\PersistentCollection {#4515 …} -id: 23273 -bodyTs: "'1/8':41 '100ma':81 'across':19,59 'allow':58 'amperag':18,45,72 'big':90 'case':97 'clarifi':11 'coil':25,61,71 'compon':106 'consider':116 'consumpt':87 'could':104 'current':14,55 'd':119 'datasheet':69 'deal':93 'definit':29 'even':109 'expect':36 'failur':79 'heat':100 'life':107 'like':102 'limit':32 'littl':4 'm':2,28 'maximum':44 'minim':123 'minimum':54 'new':5 'power':86 'prefer':121 'refer':15 'resist':99 'right':26 'rule':49 'secondari':115 'see':66 'shorten':105 'sound':101 'specif':64 'still':120 'switch':13 'termin':21 'terminolog':8 'test':77 'think':85 'thumb':51 'transfer':38 'use':96 'wast':124 'within':30" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1280598" +editedAt: null +createdAt: DateTimeImmutable @1690143291 {#4503 : 2023-07-23 22:14:51.0 +02:00 } } +root: App\Entity\EntryComment {#4229} +body: """ > the switching current refers to the amperage across the terminals other than the coil\n \n Yes. “Switching current” is the load current being controlled across the main contacts. I figured you were well within specs, I was just clarifying what typically limits relay duty cycle other than the coil.\n \n > Is there a rule of thumb for the minimum current I should allow across the coil?\n \n Stick to the rated coil voltage in the datasheet or below and you’ll be fine. They set the coil resistance to be within the safe current zone per V=IR at rated control voltage.\n \n Many relays can reliably switch well underneath their rated control voltage depending on their design- there’s a *lot* of safety factor built in. I’ve had some 12v automotive relays switch successfully at around 5v (by accident, lol). Experiment a bit and you may be able to cut down on waste power\n \n Just be aware that control voltage (coil) and rated switching voltage (load) is often different, since many relays use low control voltages to switch high voltage loads. Don’t confuse the two! 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"https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4504 +user: Proxies\__CG__\App\Entity\User {#1943 …2} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4229 +user: App\Entity\User {#4242} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ Unless otherwise specified at certain loads, relay duty cycles are always 100%.\n \n Most relay duty cycles are in relation to *switching currents*, not the coil operation. There is always a slight resistance between dissimilar contacts, and carrying current across the contacts creates heat, so they have a max rated current for continuous use. They can often exceed this, but only for short periods before needing a duty cycle cooldown.\n \n When the relay switches high near-max currents, especially in DC, it generates a large arc across the contacts. This makes them heat up. This limits the actuation frequency because too many arcs at max/overcurrent will overheat the contacts and could cause them to fuse together.\n \n But the coil itself is designed such that it will never overheat on it’s own just from the trigger voltage. Granted it’ll waste a lot of power to resistive heating that is undesirable if your goal is power efficiency, but it will be perfectly OK. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690144235 {#4223 : 2023-07-23 22:30:35.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4230 …} +nested: Doctrine\ORM\PersistentCollection {#4232 …} +votes: Doctrine\ORM\PersistentCollection {#4234 …} +reports: Doctrine\ORM\PersistentCollection {#4236 …} +favourites: Doctrine\ORM\PersistentCollection {#4238 …} +notifications: Doctrine\ORM\PersistentCollection {#4240 …} -id: 23262 -bodyTs: "'100':12 'across':39,87 'actuat':98 'alway':11,29 'arc':86,103 'carri':37 'caus':112 'certain':5 'coil':25,119 'contact':35,41,89,109 'continu':52 'cooldown':69 'could':111 'creat':42 'current':22,38,50,78 'cycl':9,16,68 'dc':81 'design':122 'dissimilar':34 'duti':8,15,67 'effici':157 'especi':79 'exceed':57 'frequenc':99 'fuse':115 'generat':83 'goal':154 'grant':138 'heat':43,93,148 'high':74 'larg':85 'limit':96 'll':140 'load':6 'lot':143 'make':91 'mani':102 'max':48,77 'max/overcurrent':105 'near':76 'near-max':75 'need':65 'never':127 'often':56 'ok':163 'oper':26 'otherwis':2 'overheat':107,128 'perfect':162 'period':63 'power':145,156 'rate':49 'relat':19 'relay':7,14,72 'resist':32,147 'short':62 'slight':31 'specifi':3 'switch':21,73 'togeth':116 'trigger':136 'undesir':151 'unless':1 'use':53 'voltag':137 'wast':141" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.one/comment/1411557" +editedAt: DateTimeImmutable @1690138891 {#4224 : 2023-07-23 21:01:31.0 +02:00 } +createdAt: DateTimeImmutable @1690138867 {#4225 : 2023-07-23 21:01:07.0 +02:00 } } +root: App\Entity\EntryComment {#4229} +body: """ I’m a little new to the terminology, so to clarify, the switching current refers to the amperage across the terminals other than the coil, right? I’m definitely within those limits; I don’t expect to transfer more than ~1/8 of the maximum amperage.\n \n Is there a rule of thumb for the minimum current I should allow across the coil? The only specification I see on the datasheet for coil amperage is that it was tested to failure at 100mA. I don’t think power consumption is too big of a deal with this use case, but resistive heating sounds like it could shorten component life (and even if it’s only a secondary consideration here, I’d still prefer to minimize waste). """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690143291 {#4502 : 2023-07-23 22:14:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@empireOfLove@lemmy.one" ] +children: Doctrine\ORM\PersistentCollection {#4505 …} +nested: Doctrine\ORM\PersistentCollection {#4507 …} +votes: Doctrine\ORM\PersistentCollection {#4509 …} +reports: Doctrine\ORM\PersistentCollection {#4511 …} +favourites: Doctrine\ORM\PersistentCollection {#4513 …} +notifications: Doctrine\ORM\PersistentCollection {#4515 …} -id: 23273 -bodyTs: "'1/8':41 '100ma':81 'across':19,59 'allow':58 'amperag':18,45,72 'big':90 'case':97 'clarifi':11 'coil':25,61,71 'compon':106 'consider':116 'consumpt':87 'could':104 'current':14,55 'd':119 'datasheet':69 'deal':93 'definit':29 'even':109 'expect':36 'failur':79 'heat':100 'life':107 'like':102 'limit':32 'littl':4 'm':2,28 'maximum':44 'minim':123 'minimum':54 'new':5 'power':86 'prefer':121 'refer':15 'resist':99 'right':26 'rule':49 'secondari':115 'see':66 'shorten':105 'sound':101 'specif':64 'still':120 'switch':13 'termin':21 'terminolog':8 'test':77 'think':85 'thumb':51 'transfer':38 'use':96 'wast':124 'within':30" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1280598" +editedAt: null +createdAt: DateTimeImmutable @1690143291 {#4503 : 2023-07-23 22:14:51.0 +02:00 } } +root: App\Entity\EntryComment {#4229} +body: """ > the switching current refers to the amperage across the terminals other than the coil\n \n Yes. “Switching current” is the load current being controlled across the main contacts. I figured you were well within specs, I was just clarifying what typically limits relay duty cycle other than the coil.\n \n > Is there a rule of thumb for the minimum current I should allow across the coil?\n \n Stick to the rated coil voltage in the datasheet or below and you’ll be fine. They set the coil resistance to be within the safe current zone per V=IR at rated control voltage.\n \n Many relays can reliably switch well underneath their rated control voltage depending on their design- there’s a *lot* of safety factor built in. I’ve had some 12v automotive relays switch successfully at around 5v (by accident, lol). Experiment a bit and you may be able to cut down on waste power\n \n Just be aware that control voltage (coil) and rated switching voltage (load) is often different, since many relays use low control voltages to switch high voltage loads. Don’t confuse the two! 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"https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4504 +user: Proxies\__CG__\App\Entity\User {#1943 …2} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4229 +user: App\Entity\User {#4242} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ Unless otherwise specified at certain loads, relay duty cycles are always 100%.\n \n Most relay duty cycles are in relation to *switching currents*, not the coil operation. There is always a slight resistance between dissimilar contacts, and carrying current across the contacts creates heat, so they have a max rated current for continuous use. They can often exceed this, but only for short periods before needing a duty cycle cooldown.\n \n When the relay switches high near-max currents, especially in DC, it generates a large arc across the contacts. This makes them heat up. This limits the actuation frequency because too many arcs at max/overcurrent will overheat the contacts and could cause them to fuse together.\n \n But the coil itself is designed such that it will never overheat on it’s own just from the trigger voltage. Granted it’ll waste a lot of power to resistive heating that is undesirable if your goal is power efficiency, but it will be perfectly OK. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690144235 {#4223 : 2023-07-23 22:30:35.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4230 …} +nested: Doctrine\ORM\PersistentCollection {#4232 …} +votes: Doctrine\ORM\PersistentCollection {#4234 …} +reports: Doctrine\ORM\PersistentCollection {#4236 …} +favourites: Doctrine\ORM\PersistentCollection {#4238 …} +notifications: Doctrine\ORM\PersistentCollection {#4240 …} -id: 23262 -bodyTs: "'100':12 'across':39,87 'actuat':98 'alway':11,29 'arc':86,103 'carri':37 'caus':112 'certain':5 'coil':25,119 'contact':35,41,89,109 'continu':52 'cooldown':69 'could':111 'creat':42 'current':22,38,50,78 'cycl':9,16,68 'dc':81 'design':122 'dissimilar':34 'duti':8,15,67 'effici':157 'especi':79 'exceed':57 'frequenc':99 'fuse':115 'generat':83 'goal':154 'grant':138 'heat':43,93,148 'high':74 'larg':85 'limit':96 'll':140 'load':6 'lot':143 'make':91 'mani':102 'max':48,77 'max/overcurrent':105 'near':76 'near-max':75 'need':65 'never':127 'often':56 'ok':163 'oper':26 'otherwis':2 'overheat':107,128 'perfect':162 'period':63 'power':145,156 'rate':49 'relat':19 'relay':7,14,72 'resist':32,147 'short':62 'slight':31 'specifi':3 'switch':21,73 'togeth':116 'trigger':136 'undesir':151 'unless':1 'use':53 'voltag':137 'wast':141" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.one/comment/1411557" +editedAt: DateTimeImmutable @1690138891 {#4224 : 2023-07-23 21:01:31.0 +02:00 } +createdAt: DateTimeImmutable @1690138867 {#4225 : 2023-07-23 21:01:07.0 +02:00 } } +root: App\Entity\EntryComment {#4229} +body: """ I’m a little new to the terminology, so to clarify, the switching current refers to the amperage across the terminals other than the coil, right? I’m definitely within those limits; I don’t expect to transfer more than ~1/8 of the maximum amperage.\n \n Is there a rule of thumb for the minimum current I should allow across the coil? The only specification I see on the datasheet for coil amperage is that it was tested to failure at 100mA. I don’t think power consumption is too big of a deal with this use case, but resistive heating sounds like it could shorten component life (and even if it’s only a secondary consideration here, I’d still prefer to minimize waste). """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690143291 {#4502 : 2023-07-23 22:14:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@empireOfLove@lemmy.one" ] +children: Doctrine\ORM\PersistentCollection {#4505 …} +nested: Doctrine\ORM\PersistentCollection {#4507 …} +votes: Doctrine\ORM\PersistentCollection {#4509 …} +reports: Doctrine\ORM\PersistentCollection {#4511 …} +favourites: Doctrine\ORM\PersistentCollection {#4513 …} +notifications: Doctrine\ORM\PersistentCollection {#4515 …} -id: 23273 -bodyTs: "'1/8':41 '100ma':81 'across':19,59 'allow':58 'amperag':18,45,72 'big':90 'case':97 'clarifi':11 'coil':25,61,71 'compon':106 'consider':116 'consumpt':87 'could':104 'current':14,55 'd':119 'datasheet':69 'deal':93 'definit':29 'even':109 'expect':36 'failur':79 'heat':100 'life':107 'like':102 'limit':32 'littl':4 'm':2,28 'maximum':44 'minim':123 'minimum':54 'new':5 'power':86 'prefer':121 'refer':15 'resist':99 'right':26 'rule':49 'secondari':115 'see':66 'shorten':105 'sound':101 'specif':64 'still':120 'switch':13 'termin':21 'terminolog':8 'test':77 'think':85 'thumb':51 'transfer':38 'use':96 'wast':124 'within':30" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1280598" +editedAt: null +createdAt: DateTimeImmutable @1690143291 {#4503 : 2023-07-23 22:14:51.0 +02:00 } } +root: App\Entity\EntryComment {#4229} +body: """ > the switching current refers to the amperage across the terminals other than the coil\n \n Yes. “Switching current” is the load current being controlled across the main contacts. I figured you were well within specs, I was just clarifying what typically limits relay duty cycle other than the coil.\n \n > Is there a rule of thumb for the minimum current I should allow across the coil?\n \n Stick to the rated coil voltage in the datasheet or below and you’ll be fine. They set the coil resistance to be within the safe current zone per V=IR at rated control voltage.\n \n Many relays can reliably switch well underneath their rated control voltage depending on their design- there’s a *lot* of safety factor built in. I’ve had some 12v automotive relays switch successfully at around 5v (by accident, lol). Experiment a bit and you may be able to cut down on waste power\n \n Just be aware that control voltage (coil) and rated switching voltage (load) is often different, since many relays use low control voltages to switch high voltage loads. Don’t confuse the two! """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690144234 {#4556 : 2023-07-23 22:30:34.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@empireOfLove@lemmy.one" ] +children: Doctrine\ORM\PersistentCollection {#4559 …} +nested: Doctrine\ORM\PersistentCollection {#4561 …} +votes: Doctrine\ORM\PersistentCollection {#4563 …} +reports: Doctrine\ORM\PersistentCollection {#4565 …} +favourites: Doctrine\ORM\PersistentCollection {#4567 …} +notifications: Doctrine\ORM\PersistentCollection {#4569 …} -id: 23275 -bodyTs: "'12v':128 '5v':135 'abl':146 'accid':137 'across':8,24,62 'allow':61 'amperag':7 'around':134 'automot':129 'awar':155 'bit':141 'built':122 'clarifi':38 'coil':14,48,64,69,84,159 'confus':182 'contact':27 'control':23,98,109,157,173 'current':3,17,21,58,91 'cut':148 'cycl':44 'datasheet':73 'depend':111 'design':114 'differ':167 'duti':43 'experi':139 'factor':121 'figur':29 'fine':80 'high':177 'ir':95 'limit':41 'll':78 'load':20,164,179 'lol':138 'lot':118 'low':172 'main':26 'mani':100,169 'may':144 'minimum':57 'often':166 'per':93 'power':152 'rate':68,97,108,161 'refer':4 'relay':42,101,130,170 'reliabl':103 'resist':85 'rule':52 'safe':90 'safeti':120 'set':82 'sinc':168 'spec':34 'stick':65 'success':132 'switch':2,16,104,131,162,176 'termin':10 'thumb':54 'two':184 'typic':40 'underneath':106 'use':171 'v':94 've':125 'voltag':70,99,110,158,163,174,178 'wast':151 'well':32,105 'within':33,88 'yes':15 'zone':92" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.one/comment/1413628" +editedAt: null +createdAt: DateTimeImmutable @1690144234 {#4557 : 2023-07-23 22:30:34.0 +02:00 } } "level" => 3 "showNested" => true "view" => "tree" ] |
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"https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4504 +user: Proxies\__CG__\App\Entity\User {#1943 …2} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4229 +user: App\Entity\User {#4242} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: """ Unless otherwise specified at certain loads, relay duty cycles are always 100%.\n \n Most relay duty cycles are in relation to *switching currents*, not the coil operation. There is always a slight resistance between dissimilar contacts, and carrying current across the contacts creates heat, so they have a max rated current for continuous use. They can often exceed this, but only for short periods before needing a duty cycle cooldown.\n \n When the relay switches high near-max currents, especially in DC, it generates a large arc across the contacts. This makes them heat up. This limits the actuation frequency because too many arcs at max/overcurrent will overheat the contacts and could cause them to fuse together.\n \n But the coil itself is designed such that it will never overheat on it’s own just from the trigger voltage. Granted it’ll waste a lot of power to resistive heating that is undesirable if your goal is power efficiency, but it will be perfectly OK. """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690144235 {#4223 : 2023-07-23 22:30:35.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4230 …} +nested: Doctrine\ORM\PersistentCollection {#4232 …} +votes: Doctrine\ORM\PersistentCollection {#4234 …} +reports: Doctrine\ORM\PersistentCollection {#4236 …} +favourites: Doctrine\ORM\PersistentCollection {#4238 …} +notifications: Doctrine\ORM\PersistentCollection {#4240 …} -id: 23262 -bodyTs: "'100':12 'across':39,87 'actuat':98 'alway':11,29 'arc':86,103 'carri':37 'caus':112 'certain':5 'coil':25,119 'contact':35,41,89,109 'continu':52 'cooldown':69 'could':111 'creat':42 'current':22,38,50,78 'cycl':9,16,68 'dc':81 'design':122 'dissimilar':34 'duti':8,15,67 'effici':157 'especi':79 'exceed':57 'frequenc':99 'fuse':115 'generat':83 'goal':154 'grant':138 'heat':43,93,148 'high':74 'larg':85 'limit':96 'll':140 'load':6 'lot':143 'make':91 'mani':102 'max':48,77 'max/overcurrent':105 'near':76 'near-max':75 'need':65 'never':127 'often':56 'ok':163 'oper':26 'otherwis':2 'overheat':107,128 'perfect':162 'period':63 'power':145,156 'rate':49 'relat':19 'relay':7,14,72 'resist':32,147 'short':62 'slight':31 'specifi':3 'switch':21,73 'togeth':116 'trigger':136 'undesir':151 'unless':1 'use':53 'voltag':137 'wast':141" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.one/comment/1411557" +editedAt: DateTimeImmutable @1690138891 {#4224 : 2023-07-23 21:01:31.0 +02:00 } +createdAt: DateTimeImmutable @1690138867 {#4225 : 2023-07-23 21:01:07.0 +02:00 } } +root: App\Entity\EntryComment {#4229} +body: """ I’m a little new to the terminology, so to clarify, the switching current refers to the amperage across the terminals other than the coil, right? I’m definitely within those limits; I don’t expect to transfer more than ~1/8 of the maximum amperage.\n \n Is there a rule of thumb for the minimum current I should allow across the coil? The only specification I see on the datasheet for coil amperage is that it was tested to failure at 100mA. I don’t think power consumption is too big of a deal with this use case, but resistive heating sounds like it could shorten component life (and even if it’s only a secondary consideration here, I’d still prefer to minimize waste). """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690143291 {#4502 : 2023-07-23 22:14:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@empireOfLove@lemmy.one" ] +children: Doctrine\ORM\PersistentCollection {#4505 …} +nested: Doctrine\ORM\PersistentCollection {#4507 …} +votes: Doctrine\ORM\PersistentCollection {#4509 …} +reports: Doctrine\ORM\PersistentCollection {#4511 …} +favourites: Doctrine\ORM\PersistentCollection {#4513 …} +notifications: Doctrine\ORM\PersistentCollection {#4515 …} -id: 23273 -bodyTs: "'1/8':41 '100ma':81 'across':19,59 'allow':58 'amperag':18,45,72 'big':90 'case':97 'clarifi':11 'coil':25,61,71 'compon':106 'consider':116 'consumpt':87 'could':104 'current':14,55 'd':119 'datasheet':69 'deal':93 'definit':29 'even':109 'expect':36 'failur':79 'heat':100 'life':107 'like':102 'limit':32 'littl':4 'm':2,28 'maximum':44 'minim':123 'minimum':54 'new':5 'power':86 'prefer':121 'refer':15 'resist':99 'right':26 'rule':49 'secondari':115 'see':66 'shorten':105 'sound':101 'specif':64 'still':120 'switch':13 'termin':21 'terminolog':8 'test':77 'think':85 'thumb':51 'transfer':38 'use':96 'wast':124 'within':30" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1280598" +editedAt: null +createdAt: DateTimeImmutable @1690143291 {#4503 : 2023-07-23 22:14:51.0 +02:00 } } +root: App\Entity\EntryComment {#4229} +body: """ > the switching current refers to the amperage across the terminals other than the coil\n \n Yes. “Switching current” is the load current being controlled across the main contacts. I figured you were well within specs, I was just clarifying what typically limits relay duty cycle other than the coil.\n \n > Is there a rule of thumb for the minimum current I should allow across the coil?\n \n Stick to the rated coil voltage in the datasheet or below and you’ll be fine. They set the coil resistance to be within the safe current zone per V=IR at rated control voltage.\n \n Many relays can reliably switch well underneath their rated control voltage depending on their design- there’s a *lot* of safety factor built in. I’ve had some 12v automotive relays switch successfully at around 5v (by accident, lol). Experiment a bit and you may be able to cut down on waste power\n \n Just be aware that control voltage (coil) and rated switching voltage (load) is often different, since many relays use low control voltages to switch high voltage loads. Don’t confuse the two! 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Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: "Look for the duty cycle on the datasheet. 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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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Component | App\Twig\Components\UserInlineComponent {#11813 +user: App\Entity\User {#4315 +avatar: null +cover: null +email: "collegefurtrader@discuss.tchncs.de" +username: "@collegefurtrader@discuss.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: "u/collegefurtrader from reddit, former mod of r/skookum, keeper of the sacred lathe Hamatu." +lastActive: DateTime @1711401619 {#4299 : 2024-03-25 22:20:19.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4316 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4318 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4320 …} +entries: Doctrine\ORM\PersistentCollection {#4322 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4324 …} +entryComments: Doctrine\ORM\PersistentCollection {#4326 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4328 …} +posts: Doctrine\ORM\PersistentCollection {#4330 …} +postVotes: Doctrine\ORM\PersistentCollection {#4332 …} +postComments: Doctrine\ORM\PersistentCollection {#4334 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4336 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4338 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4340 …} +follows: Doctrine\ORM\PersistentCollection {#4342 …} +followers: Doctrine\ORM\PersistentCollection {#4344 …} +blocks: Doctrine\ORM\PersistentCollection {#4346 …} +blockers: Doctrine\ORM\PersistentCollection {#4348 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4350 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4352 …} +reports: Doctrine\ORM\PersistentCollection {#4354 …} +favourites: Doctrine\ORM\PersistentCollection {#4356 …} +violations: Doctrine\ORM\PersistentCollection {#4358 …} +notifications: Doctrine\ORM\PersistentCollection {#4360 …} +awards: Doctrine\ORM\PersistentCollection {#4362 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4364 …} +categories: Doctrine\ORM\PersistentCollection {#4366 …} -id: 233 -password: "$2y$13$M1vPEUzxNeECtC7LDHFjVu4N4v4C/Zy2k4DaoulcYGGaWDLxTPRSS" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4368 …} +apId: "collegefurtrader@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/collegefurtrader" +apPublicUrl: "https://discuss.tchncs.de/u/collegefurtrader" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "collegefurtrader" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1701707354 {#4300 : 2023-12-04 17:29:14.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1686844755 {#4301 : 2023-06-15 17:59:15.0 +02:00 } } +showAvatar: false } |
date | App\Twig\Components\DateComponent | 12.0 MiB | 0.17 ms | |
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Input props | [ "date" => DateTimeImmutable @1690137041 {#4298 : 2023-07-23 20:30:41.0 +02:00 } ] |
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Attributes | [] |
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Component | App\Twig\Components\DateComponent {#11868 +date: DateTimeImmutable @1690137041 {#4298 : 2023-07-23 20:30:41.0 +02:00 } } |
date_edited | App\Twig\Components\DateEditedComponent | 12.0 MiB | 0.09 ms | |
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Input props | [ "createdAt" => DateTimeImmutable @1690137041 {#4298 : 2023-07-23 20:30:41.0 +02:00 } "editedAt" => null ] |
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Attributes | [] |
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Component | App\Twig\Components\DateEditedComponent {#11922 +createdAt: DateTimeImmutable @1690137041 {#4298 : 2023-07-23 20:30:41.0 +02:00 } +editedAt: null } |
user_avatar | App\Twig\Components\UserAvatarComponent | 12.0 MiB | 0.16 ms | |
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Input props | [ "user" => App\Entity\User {#4315 +avatar: null +cover: null +email: "collegefurtrader@discuss.tchncs.de" +username: "@collegefurtrader@discuss.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: "u/collegefurtrader from reddit, former mod of r/skookum, keeper of the sacred lathe Hamatu." +lastActive: DateTime @1711401619 {#4299 : 2024-03-25 22:20:19.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4316 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4318 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4320 …} +entries: Doctrine\ORM\PersistentCollection {#4322 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4324 …} +entryComments: Doctrine\ORM\PersistentCollection {#4326 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4328 …} +posts: Doctrine\ORM\PersistentCollection {#4330 …} +postVotes: Doctrine\ORM\PersistentCollection {#4332 …} +postComments: Doctrine\ORM\PersistentCollection {#4334 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4336 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4338 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4340 …} +follows: Doctrine\ORM\PersistentCollection {#4342 …} +followers: Doctrine\ORM\PersistentCollection {#4344 …} +blocks: Doctrine\ORM\PersistentCollection {#4346 …} +blockers: Doctrine\ORM\PersistentCollection {#4348 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4350 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4352 …} +reports: Doctrine\ORM\PersistentCollection {#4354 …} +favourites: Doctrine\ORM\PersistentCollection {#4356 …} +violations: Doctrine\ORM\PersistentCollection {#4358 …} +notifications: Doctrine\ORM\PersistentCollection {#4360 …} +awards: Doctrine\ORM\PersistentCollection {#4362 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4364 …} +categories: Doctrine\ORM\PersistentCollection {#4366 …} -id: 233 -password: "$2y$13$M1vPEUzxNeECtC7LDHFjVu4N4v4C/Zy2k4DaoulcYGGaWDLxTPRSS" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4368 …} +apId: "collegefurtrader@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/collegefurtrader" +apPublicUrl: "https://discuss.tchncs.de/u/collegefurtrader" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "collegefurtrader" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1701707354 {#4300 : 2023-12-04 17:29:14.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1686844755 {#4301 : 2023-06-15 17:59:15.0 +02:00 } } "width" => 40 "height" => 40 "asLink" => true ] |
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Attributes | [] |
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Component | App\Twig\Components\UserAvatarComponent {#11976 +width: 40 +height: 40 +user: App\Entity\User {#4315 +avatar: null +cover: null +email: "collegefurtrader@discuss.tchncs.de" +username: "@collegefurtrader@discuss.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: "u/collegefurtrader from reddit, former mod of r/skookum, keeper of the sacred lathe Hamatu." +lastActive: DateTime @1711401619 {#4299 : 2024-03-25 22:20:19.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4316 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4318 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4320 …} +entries: Doctrine\ORM\PersistentCollection {#4322 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4324 …} +entryComments: Doctrine\ORM\PersistentCollection {#4326 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4328 …} +posts: Doctrine\ORM\PersistentCollection {#4330 …} +postVotes: Doctrine\ORM\PersistentCollection {#4332 …} +postComments: Doctrine\ORM\PersistentCollection {#4334 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4336 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4338 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4340 …} +follows: Doctrine\ORM\PersistentCollection {#4342 …} +followers: Doctrine\ORM\PersistentCollection {#4344 …} +blocks: Doctrine\ORM\PersistentCollection {#4346 …} +blockers: Doctrine\ORM\PersistentCollection {#4348 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4350 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4352 …} +reports: Doctrine\ORM\PersistentCollection {#4354 …} +favourites: Doctrine\ORM\PersistentCollection {#4356 …} +violations: Doctrine\ORM\PersistentCollection {#4358 …} +notifications: Doctrine\ORM\PersistentCollection {#4360 …} +awards: Doctrine\ORM\PersistentCollection {#4362 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4364 …} +categories: Doctrine\ORM\PersistentCollection {#4366 …} -id: 233 -password: "$2y$13$M1vPEUzxNeECtC7LDHFjVu4N4v4C/Zy2k4DaoulcYGGaWDLxTPRSS" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4368 …} +apId: "collegefurtrader@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/collegefurtrader" +apPublicUrl: "https://discuss.tchncs.de/u/collegefurtrader" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "collegefurtrader" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1701707354 {#4300 : 2023-12-04 17:29:14.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1686844755 {#4301 : 2023-06-15 17:59:15.0 +02:00 } } +asLink: true } |
vote | App\Twig\Components\VoteComponent | 12.0 MiB | 0.42 ms | |
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Input props | [ "subject" => App\Entity\EntryComment {#4302 +user: App\Entity\User {#4315 +avatar: null +cover: null +email: "collegefurtrader@discuss.tchncs.de" +username: "@collegefurtrader@discuss.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: "u/collegefurtrader from reddit, former mod of r/skookum, keeper of the sacred lathe Hamatu." +lastActive: DateTime @1711401619 {#4299 : 2024-03-25 22:20:19.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4316 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4318 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4320 …} +entries: Doctrine\ORM\PersistentCollection {#4322 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4324 …} +entryComments: Doctrine\ORM\PersistentCollection {#4326 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4328 …} +posts: Doctrine\ORM\PersistentCollection {#4330 …} +postVotes: Doctrine\ORM\PersistentCollection {#4332 …} +postComments: Doctrine\ORM\PersistentCollection {#4334 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4336 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4338 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4340 …} +follows: Doctrine\ORM\PersistentCollection {#4342 …} +followers: Doctrine\ORM\PersistentCollection {#4344 …} +blocks: Doctrine\ORM\PersistentCollection {#4346 …} +blockers: Doctrine\ORM\PersistentCollection {#4348 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4350 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4352 …} +reports: Doctrine\ORM\PersistentCollection {#4354 …} +favourites: Doctrine\ORM\PersistentCollection {#4356 …} +violations: Doctrine\ORM\PersistentCollection {#4358 …} +notifications: Doctrine\ORM\PersistentCollection {#4360 …} +awards: Doctrine\ORM\PersistentCollection {#4362 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4364 …} +categories: Doctrine\ORM\PersistentCollection {#4366 …} -id: 233 -password: "$2y$13$M1vPEUzxNeECtC7LDHFjVu4N4v4C/Zy2k4DaoulcYGGaWDLxTPRSS" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4368 …} +apId: "collegefurtrader@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/collegefurtrader" +apPublicUrl: "https://discuss.tchncs.de/u/collegefurtrader" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "collegefurtrader" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1701707354 {#4300 : 2023-12-04 17:29:14.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1686844755 {#4301 : 2023-06-15 17:59:15.0 +02:00 } } +entry: App\Entity\Entry {#2388 +user: Proxies\__CG__\App\Entity\User {#1943 +avatar: null +cover: null +email: "trafguy@midwest.social" +username: "@trafguy@midwest.social" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1701527013 {#1516 : 2023-12-02 15:23:33.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#1632 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#1406 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#1713 …} +entries: Doctrine\ORM\PersistentCollection {#1710 …} +entryVotes: Doctrine\ORM\PersistentCollection {#1742 …} +entryComments: Doctrine\ORM\PersistentCollection {#1659 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#1470 …} +posts: Doctrine\ORM\PersistentCollection {#1746 …} +postVotes: Doctrine\ORM\PersistentCollection {#1490 …} +postComments: Doctrine\ORM\PersistentCollection {#1772 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#1622 …} +subscriptions: Doctrine\ORM\PersistentCollection {#1758 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#1450 …} +follows: Doctrine\ORM\PersistentCollection {#1422 …} +followers: Doctrine\ORM\PersistentCollection {#1660 …} +blocks: Doctrine\ORM\PersistentCollection {#1454 …} +blockers: Doctrine\ORM\PersistentCollection {#1425 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#1439 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#1428 …} +reports: Doctrine\ORM\PersistentCollection {#1461 …} +favourites: Doctrine\ORM\PersistentCollection {#1438 …} +violations: Doctrine\ORM\PersistentCollection {#1697 …} +notifications: Doctrine\ORM\PersistentCollection {#1690 …} +awards: Doctrine\ORM\PersistentCollection {#1429 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#1612 …} +categories: Doctrine\ORM\PersistentCollection {#1675 …} -id: 30753 -password: "$2y$13$V.iCe02RTvsCKlk9VR8eyO/XOHNlerws30k4pHsZdtecSqn5repUW" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1668 …} +apId: "trafguy@midwest.social" +apProfileId: "https://midwest.social/u/trafguy" +apPublicUrl: "https://midwest.social/u/trafguy" +apFollowersUrl: null +apInboxUrl: "https://midwest.social/inbox" +apDomain: "midwest.social" +apPreferredUsername: "trafguy" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1705341170 {#1537 : 2024-01-15 18:52:50.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1689652756 {#1515 : 2023-07-18 05:59:16.0 +02:00 } +__isInitialized__: true …2 } +magazine: App\Entity\Magazine {#266 +icon: Proxies\__CG__\App\Entity\Image {#247 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: Doctrine\ORM\PersistentCollection {#72 …} +awards: Doctrine\ORM\PersistentCollection {#61 …} +categories: Doctrine\ORM\PersistentCollection {#1820 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: "Look for the duty cycle on the datasheet. 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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: "Look for the duty cycle on the datasheet. The only relays I can think of with less than 100% duty cycle are automotive starter solenoids." +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1690140471 {#4297 : 2023-07-23 21:27:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4303 …} +nested: Doctrine\ORM\PersistentCollection {#4305 …} +votes: Doctrine\ORM\PersistentCollection {#4307 …} +reports: Doctrine\ORM\PersistentCollection {#4309 …} +favourites: Doctrine\ORM\PersistentCollection {#4311 …} +notifications: Doctrine\ORM\PersistentCollection {#4313 …} -id: 23258 -bodyTs: "'100':19 'automot':23 'cycl':5,21 'datasheet':8 'duti':4,20 'less':17 'look':1 'relay':11 'solenoid':25 'starter':24 'think':14" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/1316549" +editedAt: null +createdAt: DateTimeImmutable @1690137041 {#4298 : 2023-07-23 20:30:41.0 +02:00 } } "level" => 1 "showNested" => true "view" => "tree" ] |
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@1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: "Look for the duty cycle on the datasheet. The only relays I can think of with less than 100% duty cycle are automotive starter solenoids." +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1690140471 {#4297 : 2023-07-23 21:27:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4303 …} +nested: Doctrine\ORM\PersistentCollection {#4305 …} +votes: Doctrine\ORM\PersistentCollection {#4307 …} +reports: Doctrine\ORM\PersistentCollection {#4309 …} +favourites: Doctrine\ORM\PersistentCollection {#4311 …} +notifications: Doctrine\ORM\PersistentCollection {#4313 …} -id: 23258 -bodyTs: "'100':19 'automot':23 'cycl':5,21 'datasheet':8 'duti':4,20 'less':17 'look':1 'relay':11 'solenoid':25 'starter':24 'think':14" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/1316549" +editedAt: null +createdAt: DateTimeImmutable @1690137041 {#4298 : 2023-07-23 20:30:41.0 +02:00 } } +nestedComments: [ 23267 => App\Entity\EntryComment {#4489 +user: Proxies\__CG__\App\Entity\User {#1943 …2} +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4302} +root: App\Entity\EntryComment {#4302} +body: "Thanks, that’s good to know! The datasheet doesn’t seem to include the word “duty” anywhere, so I think that must have been omitted. Ostensibly that means the maximum duty cycle is unlimited, but I don’t have enough experience here to say that with any confidence." +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690140471 {#4487 : 2023-07-23 21:27:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@collegefurtrader@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4490 …} +nested: Doctrine\ORM\PersistentCollection {#4492 …} +votes: Doctrine\ORM\PersistentCollection {#4494 …} +reports: Doctrine\ORM\PersistentCollection {#4496 …} +favourites: Doctrine\ORM\PersistentCollection {#4498 …} +notifications: Doctrine\ORM\PersistentCollection {#4500 …} -id: 23267 -bodyTs: "'anywher':17 'confid':48 'cycl':32 'datasheet':8 'doesn':9 'duti':16,31 'enough':40 'experi':41 'good':4 'includ':13 'know':6 'maximum':30 'mean':28 'must':22 'omit':25 'ostens':26 'say':44 'seem':11 'thank':1 'think':20 'unlimit':34 'word':15" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1279514" +editedAt: null +createdAt: DateTimeImmutable @1690140471 {#4488 : 2023-07-23 21:27:51.0 +02:00 } } ] +level: 1 +view: "tree" -entryCommentRepository: App\Repository\EntryCommentRepository {#558 …} -twig: Twig\Environment {#1252 …} -security: Symfony\Bundle\SecurityBundle\Security {#1101 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} } |
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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 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The only relays I can think of with less than 100% duty cycle are automotive starter solenoids." +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1690140471 {#4297 : 2023-07-23 21:27:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4303 …} +nested: Doctrine\ORM\PersistentCollection {#4305 …} +votes: Doctrine\ORM\PersistentCollection {#4307 …} +reports: Doctrine\ORM\PersistentCollection {#4309 …} +favourites: Doctrine\ORM\PersistentCollection {#4311 …} +notifications: Doctrine\ORM\PersistentCollection {#4313 …} -id: 23258 -bodyTs: "'100':19 'automot':23 'cycl':5,21 'datasheet':8 'duti':4,20 'less':17 'look':1 'relay':11 'solenoid':25 'starter':24 'think':14" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/1316549" +editedAt: null +createdAt: DateTimeImmutable @1690137041 {#4298 : 2023-07-23 20:30:41.0 +02:00 } } +root: App\Entity\EntryComment {#4302} +body: "Thanks, that’s good to know! The datasheet doesn’t seem to include the word “duty” anywhere, so I think that must have been omitted. Ostensibly that means the maximum duty cycle is unlimited, but I don’t have enough experience here to say that with any confidence." +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690140471 {#4487 : 2023-07-23 21:27:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@collegefurtrader@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4490 …} +nested: Doctrine\ORM\PersistentCollection {#4492 …} +votes: Doctrine\ORM\PersistentCollection {#4494 …} +reports: Doctrine\ORM\PersistentCollection {#4496 …} +favourites: Doctrine\ORM\PersistentCollection {#4498 …} +notifications: Doctrine\ORM\PersistentCollection {#4500 …} -id: 23267 -bodyTs: "'anywher':17 'confid':48 'cycl':32 'datasheet':8 'doesn':9 'duti':16,31 'enough':40 'experi':41 'good':4 'includ':13 'know':6 'maximum':30 'mean':28 'must':22 'omit':25 'ostens':26 'say':44 'seem':11 'thank':1 'think':20 'unlimit':34 'word':15" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1279514" +editedAt: null +createdAt: DateTimeImmutable @1690140471 {#4488 : 2023-07-23 21:27:51.0 +02:00 } } "showNested" => true "level" => 2 "showEntryTitle" => false "showMagazineName" => false ] |
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Doctrine\ORM\PersistentCollection {#1660 …} +blocks: Doctrine\ORM\PersistentCollection {#1454 …} +blockers: Doctrine\ORM\PersistentCollection {#1425 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#1439 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#1428 …} +reports: Doctrine\ORM\PersistentCollection {#1461 …} +favourites: Doctrine\ORM\PersistentCollection {#1438 …} +violations: Doctrine\ORM\PersistentCollection {#1697 …} +notifications: Doctrine\ORM\PersistentCollection {#1690 …} +awards: Doctrine\ORM\PersistentCollection {#1429 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#1612 …} +categories: Doctrine\ORM\PersistentCollection {#1675 …} -id: 30753 -password: "$2y$13$V.iCe02RTvsCKlk9VR8eyO/XOHNlerws30k4pHsZdtecSqn5repUW" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1668 …} +apId: "trafguy@midwest.social" +apProfileId: "https://midwest.social/u/trafguy" +apPublicUrl: "https://midwest.social/u/trafguy" +apFollowersUrl: null +apInboxUrl: "https://midwest.social/inbox" +apDomain: "midwest.social" +apPreferredUsername: "trafguy" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1705341170 {#1537 : 2024-01-15 18:52:50.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1689652756 {#1515 : 2023-07-18 05:59:16.0 +02:00 } +__isInitialized__: true …2 } +entry: App\Entity\Entry {#2388 +user: Proxies\__CG__\App\Entity\User {#1943 …2} +magazine: App\Entity\Magazine {#266 +icon: Proxies\__CG__\App\Entity\Image {#247 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: Doctrine\ORM\PersistentCollection {#72 …} +awards: Doctrine\ORM\PersistentCollection {#61 …} +categories: Doctrine\ORM\PersistentCollection {#1820 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4302 +user: App\Entity\User {#4315 +avatar: null +cover: null +email: "collegefurtrader@discuss.tchncs.de" +username: "@collegefurtrader@discuss.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: "u/collegefurtrader from reddit, former mod of r/skookum, keeper of the sacred lathe Hamatu." +lastActive: DateTime @1711401619 {#4299 : 2024-03-25 22:20:19.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4316 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4318 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4320 …} +entries: Doctrine\ORM\PersistentCollection {#4322 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4324 …} +entryComments: Doctrine\ORM\PersistentCollection {#4326 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4328 …} +posts: Doctrine\ORM\PersistentCollection {#4330 …} +postVotes: Doctrine\ORM\PersistentCollection {#4332 …} +postComments: Doctrine\ORM\PersistentCollection {#4334 …} +postCommentVotes: Doctrine\ORM\PersistentCollection 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[] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4368 …} +apId: "collegefurtrader@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/collegefurtrader" +apPublicUrl: "https://discuss.tchncs.de/u/collegefurtrader" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "collegefurtrader" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1701707354 {#4300 : 2023-12-04 17:29:14.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1686844755 {#4301 : 2023-06-15 17:59:15.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: "Look for the duty cycle on the datasheet. The only relays I can think of with less than 100% duty cycle are automotive starter solenoids." +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1690140471 {#4297 : 2023-07-23 21:27:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4303 …} +nested: Doctrine\ORM\PersistentCollection {#4305 …} +votes: Doctrine\ORM\PersistentCollection {#4307 …} +reports: Doctrine\ORM\PersistentCollection {#4309 …} +favourites: Doctrine\ORM\PersistentCollection {#4311 …} +notifications: Doctrine\ORM\PersistentCollection {#4313 …} -id: 23258 -bodyTs: "'100':19 'automot':23 'cycl':5,21 'datasheet':8 'duti':4,20 'less':17 'look':1 'relay':11 'solenoid':25 'starter':24 'think':14" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/1316549" +editedAt: null +createdAt: DateTimeImmutable @1690137041 {#4298 : 2023-07-23 20:30:41.0 +02:00 } } +root: App\Entity\EntryComment {#4302} +body: "Thanks, that’s good to know! The datasheet doesn’t seem to include the word “duty” anywhere, so I think that must have been omitted. Ostensibly that means the maximum duty cycle is unlimited, but I don’t have enough experience here to say that with any confidence." +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690140471 {#4487 : 2023-07-23 21:27:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@collegefurtrader@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4490 …} +nested: Doctrine\ORM\PersistentCollection {#4492 …} +votes: Doctrine\ORM\PersistentCollection {#4494 …} +reports: Doctrine\ORM\PersistentCollection {#4496 …} +favourites: Doctrine\ORM\PersistentCollection {#4498 …} +notifications: Doctrine\ORM\PersistentCollection {#4500 …} -id: 23267 -bodyTs: "'anywher':17 'confid':48 'cycl':32 'datasheet':8 'doesn':9 'duti':16,31 'enough':40 'experi':41 'good':4 'includ':13 'know':6 'maximum':30 'mean':28 'must':22 'omit':25 'ostens':26 'say':44 'seem':11 'thank':1 'think':20 'unlimit':34 'word':15" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1279514" +editedAt: null +createdAt: DateTimeImmutable @1690140471 {#4488 : 2023-07-23 21:27:51.0 +02:00 } } +showMagazineName: false +showEntryTitle: false +showNested: true +level: 2 +canSeeTrash: false +dateAsUrl: false -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} -authorizationChecker: Symfony\Component\Security\Core\Authorization\AuthorizationChecker {#931 …} } |
user_inline | App\Twig\Components\UserInlineComponent | 12.0 MiB | 0.15 ms | |
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Attributes | [] |
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Component | App\Twig\Components\UserInlineComponent {#12447 +user: Proxies\__CG__\App\Entity\User {#1943 +avatar: null +cover: null +email: "trafguy@midwest.social" +username: "@trafguy@midwest.social" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1701527013 {#1516 : 2023-12-02 15:23:33.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#1632 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#1406 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#1713 …} +entries: Doctrine\ORM\PersistentCollection {#1710 …} +entryVotes: Doctrine\ORM\PersistentCollection {#1742 …} +entryComments: Doctrine\ORM\PersistentCollection {#1659 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#1470 …} +posts: Doctrine\ORM\PersistentCollection {#1746 …} +postVotes: Doctrine\ORM\PersistentCollection {#1490 …} +postComments: Doctrine\ORM\PersistentCollection {#1772 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#1622 …} +subscriptions: Doctrine\ORM\PersistentCollection {#1758 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#1450 …} +follows: Doctrine\ORM\PersistentCollection {#1422 …} +followers: Doctrine\ORM\PersistentCollection {#1660 …} +blocks: Doctrine\ORM\PersistentCollection {#1454 …} +blockers: Doctrine\ORM\PersistentCollection {#1425 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#1439 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#1428 …} +reports: Doctrine\ORM\PersistentCollection {#1461 …} +favourites: Doctrine\ORM\PersistentCollection {#1438 …} +violations: Doctrine\ORM\PersistentCollection {#1697 …} +notifications: Doctrine\ORM\PersistentCollection {#1690 …} +awards: Doctrine\ORM\PersistentCollection {#1429 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#1612 …} +categories: Doctrine\ORM\PersistentCollection {#1675 …} -id: 30753 -password: "$2y$13$V.iCe02RTvsCKlk9VR8eyO/XOHNlerws30k4pHsZdtecSqn5repUW" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1668 …} +apId: "trafguy@midwest.social" +apProfileId: "https://midwest.social/u/trafguy" +apPublicUrl: "https://midwest.social/u/trafguy" +apFollowersUrl: null +apInboxUrl: "https://midwest.social/inbox" +apDomain: "midwest.social" +apPreferredUsername: "trafguy" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1705341170 {#1537 : 2024-01-15 18:52:50.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1689652756 {#1515 : 2023-07-18 05:59:16.0 +02:00 } +__isInitialized__: true …2 } +showAvatar: false } |
date | App\Twig\Components\DateComponent | 12.0 MiB | 0.15 ms | |
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Input props | [ "date" => DateTimeImmutable @1690140471 {#4488 : 2023-07-23 21:27:51.0 +02:00 } ] |
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Attributes | [] |
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Component | App\Twig\Components\DateComponent {#12502 +date: DateTimeImmutable @1690140471 {#4488 : 2023-07-23 21:27:51.0 +02:00 } } |
date_edited | App\Twig\Components\DateEditedComponent | 12.0 MiB | 0.09 ms | |
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Input props | [ "createdAt" => DateTimeImmutable @1690140471 {#4488 : 2023-07-23 21:27:51.0 +02:00 } "editedAt" => null ] |
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Attributes | [] |
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Component | App\Twig\Components\DateEditedComponent {#12556 +createdAt: DateTimeImmutable @1690140471 {#4488 : 2023-07-23 21:27:51.0 +02:00 } +editedAt: null } |
user_avatar | App\Twig\Components\UserAvatarComponent | 12.0 MiB | 0.38 ms | |
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Input props | [ "user" => Proxies\__CG__\App\Entity\User {#1943 +avatar: null +cover: null +email: "trafguy@midwest.social" +username: "@trafguy@midwest.social" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1701527013 {#1516 : 2023-12-02 15:23:33.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#1632 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#1406 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#1713 …} +entries: Doctrine\ORM\PersistentCollection {#1710 …} +entryVotes: Doctrine\ORM\PersistentCollection {#1742 …} +entryComments: Doctrine\ORM\PersistentCollection {#1659 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#1470 …} +posts: Doctrine\ORM\PersistentCollection {#1746 …} +postVotes: Doctrine\ORM\PersistentCollection {#1490 …} +postComments: Doctrine\ORM\PersistentCollection {#1772 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#1622 …} +subscriptions: Doctrine\ORM\PersistentCollection {#1758 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#1450 …} +follows: Doctrine\ORM\PersistentCollection {#1422 …} +followers: Doctrine\ORM\PersistentCollection {#1660 …} +blocks: Doctrine\ORM\PersistentCollection {#1454 …} +blockers: Doctrine\ORM\PersistentCollection {#1425 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#1439 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#1428 …} +reports: Doctrine\ORM\PersistentCollection {#1461 …} +favourites: Doctrine\ORM\PersistentCollection {#1438 …} +violations: Doctrine\ORM\PersistentCollection {#1697 …} +notifications: Doctrine\ORM\PersistentCollection {#1690 …} +awards: Doctrine\ORM\PersistentCollection {#1429 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#1612 …} +categories: Doctrine\ORM\PersistentCollection {#1675 …} -id: 30753 -password: "$2y$13$V.iCe02RTvsCKlk9VR8eyO/XOHNlerws30k4pHsZdtecSqn5repUW" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1668 …} +apId: "trafguy@midwest.social" +apProfileId: "https://midwest.social/u/trafguy" +apPublicUrl: "https://midwest.social/u/trafguy" +apFollowersUrl: null +apInboxUrl: "https://midwest.social/inbox" +apDomain: "midwest.social" +apPreferredUsername: "trafguy" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1705341170 {#1537 : 2024-01-15 18:52:50.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1689652756 {#1515 : 2023-07-18 05:59:16.0 +02:00 } +__isInitialized__: true …2 } "width" => 40 "height" => 40 "asLink" => true ] |
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Component | App\Twig\Components\UserAvatarComponent {#12610 +width: 40 +height: 40 +user: Proxies\__CG__\App\Entity\User {#1943 +avatar: null +cover: null +email: "trafguy@midwest.social" +username: "@trafguy@midwest.social" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1701527013 {#1516 : 2023-12-02 15:23:33.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#1632 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#1406 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#1713 …} +entries: Doctrine\ORM\PersistentCollection {#1710 …} +entryVotes: Doctrine\ORM\PersistentCollection {#1742 …} +entryComments: Doctrine\ORM\PersistentCollection {#1659 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#1470 …} +posts: Doctrine\ORM\PersistentCollection {#1746 …} +postVotes: Doctrine\ORM\PersistentCollection {#1490 …} +postComments: Doctrine\ORM\PersistentCollection {#1772 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#1622 …} +subscriptions: Doctrine\ORM\PersistentCollection {#1758 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#1450 …} +follows: Doctrine\ORM\PersistentCollection {#1422 …} +followers: Doctrine\ORM\PersistentCollection {#1660 …} +blocks: Doctrine\ORM\PersistentCollection {#1454 …} +blockers: Doctrine\ORM\PersistentCollection {#1425 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#1439 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#1428 …} +reports: Doctrine\ORM\PersistentCollection {#1461 …} +favourites: Doctrine\ORM\PersistentCollection {#1438 …} +violations: Doctrine\ORM\PersistentCollection {#1697 …} +notifications: Doctrine\ORM\PersistentCollection {#1690 …} +awards: Doctrine\ORM\PersistentCollection {#1429 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#1612 …} +categories: Doctrine\ORM\PersistentCollection {#1675 …} -id: 30753 -password: "$2y$13$V.iCe02RTvsCKlk9VR8eyO/XOHNlerws30k4pHsZdtecSqn5repUW" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1668 …} +apId: "trafguy@midwest.social" +apProfileId: "https://midwest.social/u/trafguy" +apPublicUrl: "https://midwest.social/u/trafguy" +apFollowersUrl: null +apInboxUrl: "https://midwest.social/inbox" +apDomain: "midwest.social" +apPreferredUsername: "trafguy" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1705341170 {#1537 : 2024-01-15 18:52:50.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1689652756 {#1515 : 2023-07-18 05:59:16.0 +02:00 } +__isInitialized__: true …2 } +asLink: true } |
vote | App\Twig\Components\VoteComponent | 12.0 MiB | 0.46 ms | |
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Input props | [ "subject" => App\Entity\EntryComment {#4489 +user: Proxies\__CG__\App\Entity\User {#1943 +avatar: null +cover: null +email: "trafguy@midwest.social" +username: "@trafguy@midwest.social" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1701527013 {#1516 : 2023-12-02 15:23:33.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#1632 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#1406 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#1713 …} +entries: Doctrine\ORM\PersistentCollection {#1710 …} +entryVotes: Doctrine\ORM\PersistentCollection {#1742 …} +entryComments: Doctrine\ORM\PersistentCollection {#1659 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#1470 …} +posts: Doctrine\ORM\PersistentCollection {#1746 …} +postVotes: Doctrine\ORM\PersistentCollection {#1490 …} +postComments: Doctrine\ORM\PersistentCollection {#1772 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#1622 …} +subscriptions: Doctrine\ORM\PersistentCollection {#1758 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#1450 …} +follows: Doctrine\ORM\PersistentCollection {#1422 …} +followers: Doctrine\ORM\PersistentCollection {#1660 …} +blocks: Doctrine\ORM\PersistentCollection {#1454 …} +blockers: Doctrine\ORM\PersistentCollection {#1425 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#1439 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#1428 …} +reports: Doctrine\ORM\PersistentCollection {#1461 …} +favourites: Doctrine\ORM\PersistentCollection {#1438 …} +violations: Doctrine\ORM\PersistentCollection {#1697 …} +notifications: Doctrine\ORM\PersistentCollection {#1690 …} +awards: Doctrine\ORM\PersistentCollection {#1429 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#1612 …} +categories: Doctrine\ORM\PersistentCollection {#1675 …} -id: 30753 -password: "$2y$13$V.iCe02RTvsCKlk9VR8eyO/XOHNlerws30k4pHsZdtecSqn5repUW" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1668 …} +apId: "trafguy@midwest.social" +apProfileId: "https://midwest.social/u/trafguy" +apPublicUrl: "https://midwest.social/u/trafguy" +apFollowersUrl: null +apInboxUrl: "https://midwest.social/inbox" +apDomain: "midwest.social" +apPreferredUsername: "trafguy" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1705341170 {#1537 : 2024-01-15 18:52:50.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1689652756 {#1515 : 2023-07-18 05:59:16.0 +02:00 } +__isInitialized__: true …2 } +entry: App\Entity\Entry {#2388 +user: Proxies\__CG__\App\Entity\User {#1943 …2} +magazine: App\Entity\Magazine {#266 +icon: Proxies\__CG__\App\Entity\Image {#247 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: Doctrine\ORM\PersistentCollection {#72 …} +awards: Doctrine\ORM\PersistentCollection {#61 …} +categories: Doctrine\ORM\PersistentCollection {#1820 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4302 +user: App\Entity\User {#4315 +avatar: null +cover: null +email: "collegefurtrader@discuss.tchncs.de" +username: "@collegefurtrader@discuss.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: "u/collegefurtrader from reddit, former mod of r/skookum, keeper of the sacred lathe Hamatu." +lastActive: DateTime @1711401619 {#4299 : 2024-03-25 22:20:19.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4316 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4318 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4320 …} +entries: Doctrine\ORM\PersistentCollection {#4322 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4324 …} +entryComments: Doctrine\ORM\PersistentCollection {#4326 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4328 …} +posts: Doctrine\ORM\PersistentCollection {#4330 …} +postVotes: Doctrine\ORM\PersistentCollection {#4332 …} +postComments: Doctrine\ORM\PersistentCollection {#4334 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4336 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4338 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4340 …} +follows: Doctrine\ORM\PersistentCollection {#4342 …} +followers: Doctrine\ORM\PersistentCollection {#4344 …} +blocks: Doctrine\ORM\PersistentCollection {#4346 …} +blockers: Doctrine\ORM\PersistentCollection {#4348 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4350 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4352 …} +reports: Doctrine\ORM\PersistentCollection {#4354 …} +favourites: Doctrine\ORM\PersistentCollection {#4356 …} +violations: Doctrine\ORM\PersistentCollection {#4358 …} +notifications: Doctrine\ORM\PersistentCollection {#4360 …} +awards: Doctrine\ORM\PersistentCollection {#4362 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4364 …} +categories: Doctrine\ORM\PersistentCollection {#4366 …} -id: 233 -password: "$2y$13$M1vPEUzxNeECtC7LDHFjVu4N4v4C/Zy2k4DaoulcYGGaWDLxTPRSS" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4368 …} +apId: "collegefurtrader@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/collegefurtrader" +apPublicUrl: "https://discuss.tchncs.de/u/collegefurtrader" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "collegefurtrader" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1701707354 {#4300 : 2023-12-04 17:29:14.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1686844755 {#4301 : 2023-06-15 17:59:15.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: "Look for the duty cycle on the datasheet. The only relays I can think of with less than 100% duty cycle are automotive starter solenoids." +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1690140471 {#4297 : 2023-07-23 21:27:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4303 …} +nested: Doctrine\ORM\PersistentCollection {#4305 …} +votes: Doctrine\ORM\PersistentCollection {#4307 …} +reports: Doctrine\ORM\PersistentCollection {#4309 …} +favourites: Doctrine\ORM\PersistentCollection {#4311 …} +notifications: Doctrine\ORM\PersistentCollection {#4313 …} -id: 23258 -bodyTs: "'100':19 'automot':23 'cycl':5,21 'datasheet':8 'duti':4,20 'less':17 'look':1 'relay':11 'solenoid':25 'starter':24 'think':14" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/1316549" +editedAt: null +createdAt: DateTimeImmutable @1690137041 {#4298 : 2023-07-23 20:30:41.0 +02:00 } } +root: App\Entity\EntryComment {#4302} +body: "Thanks, that’s good to know! The datasheet doesn’t seem to include the word “duty” anywhere, so I think that must have been omitted. Ostensibly that means the maximum duty cycle is unlimited, but I don’t have enough experience here to say that with any confidence." +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690140471 {#4487 : 2023-07-23 21:27:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@collegefurtrader@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4490 …} +nested: Doctrine\ORM\PersistentCollection {#4492 …} +votes: Doctrine\ORM\PersistentCollection {#4494 …} +reports: Doctrine\ORM\PersistentCollection {#4496 …} +favourites: Doctrine\ORM\PersistentCollection {#4498 …} +notifications: Doctrine\ORM\PersistentCollection {#4500 …} -id: 23267 -bodyTs: "'anywher':17 'confid':48 'cycl':32 'datasheet':8 'doesn':9 'duti':16,31 'enough':40 'experi':41 'good':4 'includ':13 'know':6 'maximum':30 'mean':28 'must':22 'omit':25 'ostens':26 'say':44 'seem':11 'thank':1 'think':20 'unlimit':34 'word':15" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1279514" +editedAt: null +createdAt: DateTimeImmutable @1690140471 {#4488 : 2023-07-23 21:27:51.0 +02:00 } } ] |
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Attributes | [] |
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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 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The only relays I can think of with less than 100% duty cycle are automotive starter solenoids." +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1690140471 {#4297 : 2023-07-23 21:27:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4303 …} +nested: Doctrine\ORM\PersistentCollection {#4305 …} +votes: Doctrine\ORM\PersistentCollection {#4307 …} +reports: Doctrine\ORM\PersistentCollection {#4309 …} +favourites: Doctrine\ORM\PersistentCollection {#4311 …} +notifications: Doctrine\ORM\PersistentCollection {#4313 …} -id: 23258 -bodyTs: "'100':19 'automot':23 'cycl':5,21 'datasheet':8 'duti':4,20 'less':17 'look':1 'relay':11 'solenoid':25 'starter':24 'think':14" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/1316549" +editedAt: null +createdAt: DateTimeImmutable @1690137041 {#4298 : 2023-07-23 20:30:41.0 +02:00 } } +root: App\Entity\EntryComment {#4302} +body: "Thanks, that’s good to know! The datasheet doesn’t seem to include the word “duty” anywhere, so I think that must have been omitted. Ostensibly that means the maximum duty cycle is unlimited, but I don’t have enough experience here to say that with any confidence." +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690140471 {#4487 : 2023-07-23 21:27:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@collegefurtrader@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4490 …} +nested: Doctrine\ORM\PersistentCollection {#4492 …} +votes: Doctrine\ORM\PersistentCollection {#4494 …} +reports: Doctrine\ORM\PersistentCollection {#4496 …} +favourites: Doctrine\ORM\PersistentCollection {#4498 …} +notifications: Doctrine\ORM\PersistentCollection {#4500 …} -id: 23267 -bodyTs: "'anywher':17 'confid':48 'cycl':32 'datasheet':8 'doesn':9 'duti':16,31 'enough':40 'experi':41 'good':4 'includ':13 'know':6 'maximum':30 'mean':28 'must':22 'omit':25 'ostens':26 'say':44 'seem':11 'thank':1 'think':20 'unlimit':34 'word':15" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1279514" +editedAt: null +createdAt: DateTimeImmutable @1690140471 {#4488 : 2023-07-23 21:27:51.0 +02:00 } } +formDest: "entry_comment" +showDownvote: true -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} } |
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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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The only relays I can think of with less than 100% duty cycle are automotive starter solenoids." +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1690140471 {#4297 : 2023-07-23 21:27:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4303 …} +nested: Doctrine\ORM\PersistentCollection {#4305 …} +votes: Doctrine\ORM\PersistentCollection {#4307 …} +reports: Doctrine\ORM\PersistentCollection {#4309 …} +favourites: Doctrine\ORM\PersistentCollection {#4311 …} +notifications: Doctrine\ORM\PersistentCollection {#4313 …} -id: 23258 -bodyTs: "'100':19 'automot':23 'cycl':5,21 'datasheet':8 'duti':4,20 'less':17 'look':1 'relay':11 'solenoid':25 'starter':24 'think':14" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/1316549" +editedAt: null +createdAt: DateTimeImmutable @1690137041 {#4298 : 2023-07-23 20:30:41.0 +02:00 } } +root: App\Entity\EntryComment {#4302} +body: "Thanks, that’s good to know! The datasheet doesn’t seem to include the word “duty” anywhere, so I think that must have been omitted. Ostensibly that means the maximum duty cycle is unlimited, but I don’t have enough experience here to say that with any confidence." +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690140471 {#4487 : 2023-07-23 21:27:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@collegefurtrader@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4490 …} +nested: Doctrine\ORM\PersistentCollection {#4492 …} +votes: Doctrine\ORM\PersistentCollection {#4494 …} +reports: Doctrine\ORM\PersistentCollection {#4496 …} +favourites: Doctrine\ORM\PersistentCollection {#4498 …} +notifications: Doctrine\ORM\PersistentCollection {#4500 …} -id: 23267 -bodyTs: "'anywher':17 'confid':48 'cycl':32 'datasheet':8 'doesn':9 'duti':16,31 'enough':40 'experi':41 'good':4 'includ':13 'know':6 'maximum':30 'mean':28 'must':22 'omit':25 'ostens':26 'say':44 'seem':11 'thank':1 'think':20 'unlimit':34 'word':15" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1279514" +editedAt: null +createdAt: DateTimeImmutable @1690140471 {#4488 : 2023-07-23 21:27:51.0 +02:00 } } ] |
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The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 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The only relays I can think of with less than 100% duty cycle are automotive starter solenoids." +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1690140471 {#4297 : 2023-07-23 21:27:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4303 …} +nested: Doctrine\ORM\PersistentCollection {#4305 …} +votes: Doctrine\ORM\PersistentCollection {#4307 …} +reports: Doctrine\ORM\PersistentCollection {#4309 …} +favourites: Doctrine\ORM\PersistentCollection {#4311 …} +notifications: Doctrine\ORM\PersistentCollection {#4313 …} -id: 23258 -bodyTs: "'100':19 'automot':23 'cycl':5,21 'datasheet':8 'duti':4,20 'less':17 'look':1 'relay':11 'solenoid':25 'starter':24 'think':14" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/1316549" +editedAt: null +createdAt: DateTimeImmutable @1690137041 {#4298 : 2023-07-23 20:30:41.0 +02:00 } } +root: App\Entity\EntryComment {#4302} +body: "Thanks, that’s good to know! The datasheet doesn’t seem to include the word “duty” anywhere, so I think that must have been omitted. Ostensibly that means the maximum duty cycle is unlimited, but I don’t have enough experience here to say that with any confidence." +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690140471 {#4487 : 2023-07-23 21:27:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@collegefurtrader@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4490 …} +nested: Doctrine\ORM\PersistentCollection {#4492 …} +votes: Doctrine\ORM\PersistentCollection {#4494 …} +reports: Doctrine\ORM\PersistentCollection {#4496 …} +favourites: Doctrine\ORM\PersistentCollection {#4498 …} +notifications: Doctrine\ORM\PersistentCollection {#4500 …} -id: 23267 -bodyTs: "'anywher':17 'confid':48 'cycl':32 'datasheet':8 'doesn':9 'duti':16,31 'enough':40 'experi':41 'good':4 'includ':13 'know':6 'maximum':30 'mean':28 'must':22 'omit':25 'ostens':26 'say':44 'seem':11 'thank':1 'think':20 'unlimit':34 'word':15" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1279514" +editedAt: null +createdAt: DateTimeImmutable @1690140471 {#4488 : 2023-07-23 21:27:51.0 +02:00 } } -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} } |
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"https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 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"https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: App\Entity\EntryComment {#4302 +user: App\Entity\User {#4315 +avatar: null +cover: null +email: "collegefurtrader@discuss.tchncs.de" +username: "@collegefurtrader@discuss.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: "u/collegefurtrader from reddit, former mod of r/skookum, keeper of the sacred lathe Hamatu." +lastActive: DateTime @1711401619 {#4299 : 2024-03-25 22:20:19.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false 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[] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4368 …} +apId: "collegefurtrader@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/collegefurtrader" +apPublicUrl: "https://discuss.tchncs.de/u/collegefurtrader" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "collegefurtrader" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1701707354 {#4300 : 2023-12-04 17:29:14.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1686844755 {#4301 : 2023-06-15 17:59:15.0 +02:00 } } +entry: App\Entity\Entry {#2388} +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: "Look for the duty cycle on the datasheet. The only relays I can think of with less than 100% duty cycle are automotive starter solenoids." +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1690140471 {#4297 : 2023-07-23 21:27:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4303 …} +nested: Doctrine\ORM\PersistentCollection {#4305 …} +votes: Doctrine\ORM\PersistentCollection {#4307 …} +reports: Doctrine\ORM\PersistentCollection {#4309 …} +favourites: Doctrine\ORM\PersistentCollection {#4311 …} +notifications: Doctrine\ORM\PersistentCollection {#4313 …} -id: 23258 -bodyTs: "'100':19 'automot':23 'cycl':5,21 'datasheet':8 'duti':4,20 'less':17 'look':1 'relay':11 'solenoid':25 'starter':24 'think':14" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/1316549" +editedAt: null +createdAt: DateTimeImmutable @1690137041 {#4298 : 2023-07-23 20:30:41.0 +02:00 } } +root: App\Entity\EntryComment {#4302} +body: "Thanks, that’s good to know! The datasheet doesn’t seem to include the word “duty” anywhere, so I think that must have been omitted. Ostensibly that means the maximum duty cycle is unlimited, but I don’t have enough experience here to say that with any confidence." +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690140471 {#4487 : 2023-07-23 21:27:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@collegefurtrader@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4490 …} +nested: Doctrine\ORM\PersistentCollection {#4492 …} +votes: Doctrine\ORM\PersistentCollection {#4494 …} +reports: Doctrine\ORM\PersistentCollection {#4496 …} +favourites: Doctrine\ORM\PersistentCollection {#4498 …} +notifications: Doctrine\ORM\PersistentCollection {#4500 …} -id: 23267 -bodyTs: "'anywher':17 'confid':48 'cycl':32 'datasheet':8 'doesn':9 'duti':16,31 'enough':40 'experi':41 'good':4 'includ':13 'know':6 'maximum':30 'mean':28 'must':22 'omit':25 'ostens':26 'say':44 'seem':11 'thank':1 'think':20 'unlimit':34 'word':15" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1279514" +editedAt: null +createdAt: DateTimeImmutable @1690140471 {#4488 : 2023-07-23 21:27:51.0 +02:00 } } "level" => 2 "showNested" => true "view" => "tree" ] |
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Component | App\Twig\Components\EntryCommentsNestedComponent {#12976 +comment: App\Entity\EntryComment {#4489 +user: Proxies\__CG__\App\Entity\User {#1943 +avatar: null +cover: null +email: "trafguy@midwest.social" +username: "@trafguy@midwest.social" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1701527013 {#1516 : 2023-12-02 15:23:33.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: 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+subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: Doctrine\ORM\PersistentCollection {#72 …} +awards: Doctrine\ORM\PersistentCollection {#61 …} +categories: Doctrine\ORM\PersistentCollection {#1820 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 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The only relays I can think of with less than 100% duty cycle are automotive starter solenoids." +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1690140471 {#4297 : 2023-07-23 21:27:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4303 …} +nested: Doctrine\ORM\PersistentCollection {#4305 …} +votes: Doctrine\ORM\PersistentCollection {#4307 …} +reports: Doctrine\ORM\PersistentCollection {#4309 …} +favourites: Doctrine\ORM\PersistentCollection {#4311 …} +notifications: Doctrine\ORM\PersistentCollection {#4313 …} -id: 23258 -bodyTs: "'100':19 'automot':23 'cycl':5,21 'datasheet':8 'duti':4,20 'less':17 'look':1 'relay':11 'solenoid':25 'starter':24 'think':14" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/1316549" +editedAt: null +createdAt: DateTimeImmutable @1690137041 {#4298 : 2023-07-23 20:30:41.0 +02:00 } } +root: App\Entity\EntryComment {#4302} +body: "Thanks, that’s good to know! The datasheet doesn’t seem to include the word “duty” anywhere, so I think that must have been omitted. Ostensibly that means the maximum duty cycle is unlimited, but I don’t have enough experience here to say that with any confidence." +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1690140471 {#4487 : 2023-07-23 21:27:51.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" "@collegefurtrader@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4490 …} +nested: Doctrine\ORM\PersistentCollection {#4492 …} +votes: Doctrine\ORM\PersistentCollection {#4494 …} +reports: Doctrine\ORM\PersistentCollection {#4496 …} +favourites: Doctrine\ORM\PersistentCollection {#4498 …} +notifications: Doctrine\ORM\PersistentCollection {#4500 …} -id: 23267 -bodyTs: "'anywher':17 'confid':48 'cycl':32 'datasheet':8 'doesn':9 'duti':16,31 'enough':40 'experi':41 'good':4 'includ':13 'know':6 'maximum':30 'mean':28 'must':22 'omit':25 'ostens':26 'say':44 'seem':11 'thank':1 'think':20 'unlimit':34 'word':15" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://midwest.social/comment/1279514" +editedAt: null +createdAt: DateTimeImmutable @1690140471 {#4488 : 2023-07-23 21:27:51.0 +02:00 } } +nestedComments: [] +level: 2 +view: "tree" -entryCommentRepository: App\Repository\EntryCommentRepository {#558 …} -twig: Twig\Environment {#1252 …} -security: Symfony\Bundle\SecurityBundle\Security {#1101 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} } |
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circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: 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+url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: "Continuous operation shouldn’t be a problem, but there are [ways to reduce the power consumption](https://na.industrial.panasonic.com/blog/three-methods-reducing-coil-holding-voltage) of you want to." +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690137524 {#4370 : 2023-07-23 20:38:44.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4376 …} +nested: Doctrine\ORM\PersistentCollection {#4378 …} +votes: Doctrine\ORM\PersistentCollection {#4380 …} +reports: Doctrine\ORM\PersistentCollection {#4382 …} +favourites: Doctrine\ORM\PersistentCollection {#4384 …} +notifications: Doctrine\ORM\PersistentCollection {#4386 …} -id: 23259 -bodyTs: "'/blog/three-methods-reducing-coil-holding-voltage)':19 'consumpt':16 'continu':1 'na.industrial.panasonic.com':18 'na.industrial.panasonic.com/blog/three-methods-reducing-coil-holding-voltage)':17 'oper':2 'power':15 'problem':7 'reduc':13 'shouldn':3 'want':22 'way':11" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/1316782" +editedAt: null +createdAt: DateTimeImmutable @1690137524 {#4371 : 2023-07-23 20:38:44.0 +02:00 } } "showNested" => true "dateAsUrl" => false "showMagazineName" => false "showEntryTitle" => false ] |
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Doctrine\ORM\PersistentCollection {#1675 …} -id: 30753 -password: "$2y$13$V.iCe02RTvsCKlk9VR8eyO/XOHNlerws30k4pHsZdtecSqn5repUW" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1668 …} +apId: "trafguy@midwest.social" +apProfileId: "https://midwest.social/u/trafguy" +apPublicUrl: "https://midwest.social/u/trafguy" +apFollowersUrl: null +apInboxUrl: "https://midwest.social/inbox" +apDomain: "midwest.social" +apPreferredUsername: "trafguy" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1705341170 {#1537 : 2024-01-15 18:52:50.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1689652756 {#1515 : 2023-07-18 05:59:16.0 +02:00 } +__isInitialized__: true …2 } +magazine: App\Entity\Magazine {#266 +icon: Proxies\__CG__\App\Entity\Image {#247 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: Doctrine\ORM\PersistentCollection {#72 …} +awards: Doctrine\ORM\PersistentCollection {#61 …} +categories: Doctrine\ORM\PersistentCollection {#1820 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. 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user_inline | App\Twig\Components\UserInlineComponent | 14.0 MiB | 0.16 ms | |
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date | App\Twig\Components\DateComponent | 14.0 MiB | 0.22 ms | |
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Input props | [ "date" => DateTimeImmutable @1690137524 {#4371 : 2023-07-23 20:38:44.0 +02:00 } ] |
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Component | App\Twig\Components\DateComponent {#13152 +date: DateTimeImmutable @1690137524 {#4371 : 2023-07-23 20:38:44.0 +02:00 } } |
date_edited | App\Twig\Components\DateEditedComponent | 14.0 MiB | 0.22 ms | |
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Input props | [ "createdAt" => DateTimeImmutable @1690137524 {#4371 : 2023-07-23 20:38:44.0 +02:00 } "editedAt" => null ] |
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user_avatar | App\Twig\Components\UserAvatarComponent | 14.0 MiB | 0.23 ms | |
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Component | App\Twig\Components\UserAvatarComponent {#13260 +width: 40 +height: 40 +user: App\Entity\User {#4388 +avatar: null +cover: null +email: "cmnybo@discuss.tchncs.de" +username: "@cmnybo@discuss.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1729562926 {#4372 : 2024-10-22 04:08:46.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4389 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4391 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4393 …} +entries: Doctrine\ORM\PersistentCollection {#4395 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4397 …} +entryComments: Doctrine\ORM\PersistentCollection {#4399 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4401 …} +posts: Doctrine\ORM\PersistentCollection {#4403 …} +postVotes: Doctrine\ORM\PersistentCollection {#4405 …} +postComments: Doctrine\ORM\PersistentCollection {#4407 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4409 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4411 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4413 …} +follows: Doctrine\ORM\PersistentCollection {#4415 …} +followers: Doctrine\ORM\PersistentCollection {#4417 …} +blocks: Doctrine\ORM\PersistentCollection {#4419 …} +blockers: Doctrine\ORM\PersistentCollection {#4421 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4423 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4425 …} +reports: Doctrine\ORM\PersistentCollection {#4427 …} +favourites: Doctrine\ORM\PersistentCollection {#4429 …} +violations: Doctrine\ORM\PersistentCollection {#4431 …} +notifications: Doctrine\ORM\PersistentCollection {#4433 …} +awards: Doctrine\ORM\PersistentCollection {#4435 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4437 …} +categories: Doctrine\ORM\PersistentCollection {#4439 …} -id: 67 -password: "$2y$13$xXIZNvW/m.IOzEDXt7h4G.keLrkjvo3fVOpCsmcXVdXTffdfkjZX6" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4441 …} +apId: "cmnybo@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/cmnybo" +apPublicUrl: "https://discuss.tchncs.de/u/cmnybo" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "cmnybo" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1728135826 {#4373 : 2024-10-05 15:43:46.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1686644885 {#4374 : 2023-06-13 10:28:05.0 +02:00 } } +asLink: true } |
vote | App\Twig\Components\VoteComponent | 14.0 MiB | 0.62 ms | |
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null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#1632 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#1406 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#1713 …} +entries: Doctrine\ORM\PersistentCollection {#1710 …} +entryVotes: Doctrine\ORM\PersistentCollection {#1742 …} +entryComments: Doctrine\ORM\PersistentCollection {#1659 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#1470 …} +posts: Doctrine\ORM\PersistentCollection {#1746 …} +postVotes: Doctrine\ORM\PersistentCollection {#1490 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30753 -password: "$2y$13$V.iCe02RTvsCKlk9VR8eyO/XOHNlerws30k4pHsZdtecSqn5repUW" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1668 …} +apId: "trafguy@midwest.social" +apProfileId: "https://midwest.social/u/trafguy" +apPublicUrl: "https://midwest.social/u/trafguy" +apFollowersUrl: null +apInboxUrl: "https://midwest.social/inbox" +apDomain: "midwest.social" +apPreferredUsername: "trafguy" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1705341170 {#1537 : 2024-01-15 18:52:50.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1689652756 {#1515 : 2023-07-18 05:59:16.0 +02:00 } +__isInitialized__: true …2 } +magazine: App\Entity\Magazine {#266 +icon: Proxies\__CG__\App\Entity\Image {#247 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: Doctrine\ORM\PersistentCollection {#72 …} +awards: Doctrine\ORM\PersistentCollection {#61 …} +categories: Doctrine\ORM\PersistentCollection {#1820 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1912 …} +slug: "Continuous-operation-of-a-general-purpose-relay" +title: "Continuous operation of a general purpose relay?" +url: null +body: """ Hello, I have a circuit that will need to return connected hardware to a default state if power is lost. The hardware can handle continuous voltage, so I’m thinking a simple solution would be to use a battery to provide that fallback power source. To avoid draining the battery, I’d like to connect it through a relay on the normally open contact and energize the relay directly from the main power supply on my board.\n \n Do I need to look for anything in particular to make sure the coil on the relay I choose can sustain constant voltage for potentially months at a time without damage? Or, is there another similarly low cost and simple solution you’d recommend?\n \n The circuit runs on 12VDC from a [Mean Well IRM-10-12 ([specification](https://www.meanwellusa.com/webapp/product/search.aspx?prod=IRM-10)), and the relays I have on hand are OMRON G5LE-14-CF 12VDC ([specification](https://omronfs.omron.com/en_US/ecb/products/pdf/en-g5le.pdf)). I don’t see anything on the relay documentation that specifies a maximum duty cycle. """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 14 +favouriteCount: 9 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1691061483 {#2410 : 2023-08-03 13:18:03.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1866 …} +votes: Doctrine\ORM\PersistentCollection {#1978 …} +reports: Doctrine\ORM\PersistentCollection {#1946 …} +favourites: Doctrine\ORM\PersistentCollection {#1971 …} +notifications: Doctrine\ORM\PersistentCollection {#2443 …} +badges: Doctrine\ORM\PersistentCollection {#2426 …} +children: [] -id: 1543 -titleTs: "'continu':1 'general':5 'oper':2 'purpos':6 'relay':7" -bodyTs: "'-10':132 '-12':133 '-14':148 '/en_us/ecb/products/pdf/en-g5le.pdf)).':154 '/webapp/product/search.aspx?prod=irm-10)),':137 '12vdc':126,150 'anoth':112 'anyth':84,159 'avoid':47 'batteri':39,50 'board':77 'cf':149 'choos':96 'circuit':5,123 'coil':91 'connect':11,55 'constant':99 'contact':64 'continu':25 'cost':115 'cycl':169 'd':52,120 'damag':108 'default':15 'direct':69 'document':163 'drain':48 'duti':168 'energ':66 'fallback':43 'g5le':147 'hand':144 'handl':24 'hardwar':12,22 'hello':1 'irm':131 'like':53 'look':82 'lost':20 'low':114 'm':29 'main':72 'make':88 'maximum':167 'mean':129 'month':103 'need':8,80 'normal':62 'omron':146 'omronfs.omron.com':153 'omronfs.omron.com/en_us/ecb/products/pdf/en-g5le.pdf)).':152 'open':63 'particular':86 'potenti':102 'power':18,44,73 'provid':41 'recommend':121 'relay':59,68,94,140,162 'return':10 'run':124 'see':158 'similar':113 'simpl':32,117 'solut':33,118 'sourc':45 'specif':134,151 'specifi':165 'state':16 'suppli':74 'sure':89 'sustain':98 'think':30 'time':106 'use':37 'voltag':26,100 'well':130 'without':107 'would':34 'www.meanwellusa.com':136 'www.meanwellusa.com/webapp/product/search.aspx?prod=irm-10)),':135" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1690219242 +visibility: "visible " +apId: "https://midwest.social/post/1366600" +editedAt: null +createdAt: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } +magazine: App\Entity\Magazine {#266} +image: null +parent: null +root: null +body: "Continuous operation shouldn’t be a problem, but there are [ways to reduce the power consumption](https://na.industrial.panasonic.com/blog/three-methods-reducing-coil-holding-voltage) of you want to." +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1690137524 {#4370 : 2023-07-23 20:38:44.0 +02:00 } +ip: null +tags: null +mentions: [ "@trafguy@midwest.social" ] +children: Doctrine\ORM\PersistentCollection {#4376 …} +nested: Doctrine\ORM\PersistentCollection {#4378 …} +votes: Doctrine\ORM\PersistentCollection {#4380 …} +reports: Doctrine\ORM\PersistentCollection {#4382 …} +favourites: Doctrine\ORM\PersistentCollection {#4384 …} +notifications: Doctrine\ORM\PersistentCollection {#4386 …} -id: 23259 -bodyTs: "'/blog/three-methods-reducing-coil-holding-voltage)':19 'consumpt':16 'continu':1 'na.industrial.panasonic.com':18 'na.industrial.panasonic.com/blog/three-methods-reducing-coil-holding-voltage)':17 'oper':2 'power':15 'problem':7 'reduc':13 'shouldn':3 'want':22 'way':11" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/1316782" +editedAt: null +createdAt: DateTimeImmutable @1690137524 {#4371 : 2023-07-23 20:38:44.0 +02:00 } } ] |
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settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 14.0 MiB | 0.22 ms | |
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Input props | [ "label" => "Dynamic lists" "settingsKey" => "KBIN_GENERAL_DYNAMIC_LISTS" ] |
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Attributes | [] |
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Component | App\Twig\Components\SettingsRowSwitchComponent {#13821 +label: "Dynamic lists" +help: "" +settingsKey: "KBIN_GENERAL_DYNAMIC_LISTS" +defaultValue: false +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 14.0 MiB | 0.16 ms | |
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Input props | [ "label" => "Rounded edges" "settingsKey" => "KBIN_GENERAL_ROUNDED_EDGES" ] |
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Attributes | [] |
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Component | App\Twig\Components\SettingsRowSwitchComponent {#13886 +label: "Rounded edges" +help: "" +settingsKey: "KBIN_GENERAL_ROUNDED_EDGES" +defaultValue: false +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 14.0 MiB | 0.33 ms | |
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Input props | [ "label" => "Infinite scrolling" "help" => "Automatically load more content when you reach the bottom of the page." "settingsKey" => "KBIN_GENERAL_INFINITE_SCROLL" ] |
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Attributes | [] |
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Component | App\Twig\Components\SettingsRowSwitchComponent {#13942 +label: "Infinite scrolling" +help: "Automatically load more content when you reach the bottom of the page." +settingsKey: "KBIN_GENERAL_INFINITE_SCROLL" +defaultValue: false +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 14.0 MiB | 0.29 ms | |
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Input props | [ "label" => "Sticky navbar" "help" => "The navbar will stick to the top of the page when you scroll down." "settingsKey" => "KBIN_GENERAL_FIXED_NAVBAR" ] |
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Attributes | [] |
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Component | App\Twig\Components\SettingsRowSwitchComponent {#14001 +label: "Sticky navbar" +help: "The navbar will stick to the top of the page when you scroll down." +settingsKey: "KBIN_GENERAL_FIXED_NAVBAR" +defaultValue: false +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 14.0 MiB | 0.30 ms | |
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Input props | [ "label" => "Show top bar" "settingsKey" => "KBIN_GENERAL_TOPBAR" ] |
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Attributes | [] |
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Component | App\Twig\Components\SettingsRowSwitchComponent {#14057 +label: "Show top bar" +help: "" +settingsKey: "KBIN_GENERAL_TOPBAR" +defaultValue: false +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 14.0 MiB | 0.26 ms | |
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Input props | [ "label" => "Turbo mode (experimental)" "settingsKey" => "KBIN_GENERAL_TURBO" ] |
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Attributes | [] |
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Component | App\Twig\Components\SettingsRowSwitchComponent {#14113 +label: "Turbo mode (experimental)" +help: "" +settingsKey: "KBIN_GENERAL_TURBO" +defaultValue: false +reloadRequired: true } |
user_settings_row_switch | App\Twig\Components\UserSettingsRowSwitchComponent | 14.0 MiB | 0.49 ms | |
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Input props | [ "label" => "Mark new comments" "settingsKey" => "KBIN_MARK_NEW_COMMENTS" ] |
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Attributes | [] |
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Component | App\Twig\Components\UserSettingsRowSwitchComponent {#14171 +label: "Mark new comments" +help: "" +settingsKey: "KBIN_MARK_NEW_COMMENTS" +defaultValue: false +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 14.0 MiB | 0.33 ms | |
---|---|---|---|---|
Input props | [ "label" => "Show "Support Us" block" "settingsKey" => "KBIN_GENERAL_SUPPORT_US_BLOCK" "defaultValue" => true ] |
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Attributes | [] |
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Component | App\Twig\Components\SettingsRowSwitchComponent {#14234 +label: "Show "Support Us" block" +help: "" +settingsKey: "KBIN_GENERAL_SUPPORT_US_BLOCK" +defaultValue: true +reloadRequired: true } |
user_settings_row_switch | App\Twig\Components\UserSettingsRowSwitchComponent | 14.0 MiB | 0.31 ms | |
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Input props | [ "label" => "Show subscribed users" "settingsKey" => "KBIN_SUB_CHANNEL_USERS" ] |
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Attributes | [] |
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Component | App\Twig\Components\UserSettingsRowSwitchComponent {#14292 +label: "Show subscribed users" +help: "" +settingsKey: "KBIN_SUB_CHANNEL_USERS" +defaultValue: false +reloadRequired: true } |
user_settings_row_switch | App\Twig\Components\UserSettingsRowSwitchComponent | 14.0 MiB | 0.30 ms | |
---|---|---|---|---|
Input props | [ "label" => "Show subscribed magazines" "settingsKey" => "KBIN_SUB_CHANNEL_MAGAZINES" ] |
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Attributes | [] |
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Component | App\Twig\Components\UserSettingsRowSwitchComponent {#14348 +label: "Show subscribed magazines" +help: "" +settingsKey: "KBIN_SUB_CHANNEL_MAGAZINES" +defaultValue: false +reloadRequired: true } |
user_settings_row_switch | App\Twig\Components\UserSettingsRowSwitchComponent | 14.0 MiB | 0.37 ms | |
---|---|---|---|---|
Input props | [ "label" => "Show subscribed domains" "settingsKey" => "KBIN_SUB_CHANNEL_DOMAINS" ] |
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Attributes | [] |
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Component | App\Twig\Components\UserSettingsRowSwitchComponent {#14404 +label: "Show subscribed domains" +help: "" +settingsKey: "KBIN_SUB_CHANNEL_DOMAINS" +defaultValue: false +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 14.0 MiB | 0.28 ms | |
---|---|---|---|---|
Input props | [ "label" => "Auto media preview" "help" => "Automatically expand media previews." "settingsKey" => "KBIN_ENTRIES_SHOW_PREVIEW" ] |
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Attributes | [] |
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Component | App\Twig\Components\SettingsRowSwitchComponent {#9385 +label: "Auto media preview" +help: "Automatically expand media previews." +settingsKey: "KBIN_ENTRIES_SHOW_PREVIEW" +defaultValue: false +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 14.0 MiB | 0.26 ms | |
---|---|---|---|---|
Input props | [ "label" => "Compact view" "settingsKey" => "KBIN_ENTRIES_COMPACT" ] |
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Attributes | [] |
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Component | App\Twig\Components\SettingsRowSwitchComponent {#11364 +label: "Compact view" +help: "" +settingsKey: "KBIN_ENTRIES_COMPACT" +defaultValue: false +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 14.0 MiB | 0.27 ms | |
---|---|---|---|---|
Input props | [ "label" => "Show users’ avatars" "settingsKey" => "KBIN_ENTRIES_SHOW_USERS_AVATARS" ] |
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Attributes | [] |
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Component | App\Twig\Components\SettingsRowSwitchComponent {#8150 +label: "Show users’ avatars" +help: "" +settingsKey: "KBIN_ENTRIES_SHOW_USERS_AVATARS" +defaultValue: false +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 14.0 MiB | 0.26 ms | |
---|---|---|---|---|
Input props | [ "label" => "Show magazines’ icons" "settingsKey" => "KBIN_ENTRIES_SHOW_MAGAZINES_ICONS" ] |
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Attributes | [] |
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Component | App\Twig\Components\SettingsRowSwitchComponent {#11156 +label: "Show magazines’ icons" +help: "" +settingsKey: "KBIN_ENTRIES_SHOW_MAGAZINES_ICONS" +defaultValue: false +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 14.0 MiB | 0.23 ms | |
---|---|---|---|---|
Input props | [ "label" => "Show thumbnails" "settingsKey" => "KBIN_ENTRIES_SHOW_THUMBNAILS" "defaultValue" => true ] |
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Attributes | [] |
|||
Component | App\Twig\Components\SettingsRowSwitchComponent {#13777 +label: "Show thumbnails" +help: "" +settingsKey: "KBIN_ENTRIES_SHOW_THUMBNAILS" +defaultValue: true +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 14.0 MiB | 0.27 ms | |
---|---|---|---|---|
Input props | [ "label" => "Auto media preview" "help" => "Automatically expand media previews." "settingsKey" => "KBIN_POSTS_SHOW_PREVIEW" ] |
|||
Attributes | [] |
|||
Component | App\Twig\Components\SettingsRowSwitchComponent {#14452 +label: "Auto media preview" +help: "Automatically expand media previews." +settingsKey: "KBIN_POSTS_SHOW_PREVIEW" +defaultValue: false +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 14.0 MiB | 0.26 ms | |
---|---|---|---|---|
Input props | [ "label" => "Show users’ avatars" "settingsKey" => "KBIN_POSTS_SHOW_USERS_AVATARS" "defaultValue" => true ] |
|||
Attributes | [] |
|||
Component | App\Twig\Components\SettingsRowSwitchComponent {#14508 +label: "Show users’ avatars" +help: "" +settingsKey: "KBIN_POSTS_SHOW_USERS_AVATARS" +defaultValue: true +reloadRequired: true } |
settings_row_enum | App\Twig\Components\SettingsRowEnumComponent | 14.0 MiB | 0.32 ms | |
---|---|---|---|---|
Input props | [ "label" => "Comment reply position" "help" => "Display the comment reply form either at the top or bottom of the page. When 'infinite scroll' is enabled the position will always appear at the top." "settingsKey" => "KBIN_COMMENTS_REPLY_POSITION" "values" => [ [ "name" => "top" "value" => "TOP" ] [ "name" => "bottom" "value" => "BOTTOM" ] ] "defaultValue" => "TOP" ] |
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Attributes | [] |
|||
Component | App\Twig\Components\SettingsRowEnumComponent {#14564 +label: "Comment reply position" +help: "Display the comment reply form either at the top or bottom of the page. When 'infinite scroll' is enabled the position will always appear at the top." +settingsKey: "KBIN_COMMENTS_REPLY_POSITION" +values: [ [ "name" => "top" "value" => "TOP" ] [ "name" => "bottom" "value" => "BOTTOM" ] ] +defaultValue: "TOP" +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 14.0 MiB | 0.26 ms | |
---|---|---|---|---|
Input props | [ "label" => "Show Comment Avatars" "help" => "Display/hide user avatars when viewing comments on a single thread or post." "settingsKey" => "KBIN_COMMENTS_SHOW_USER_AVATAR" "defaultValue" => true ] |
|||
Attributes | [] |
|||
Component | App\Twig\Components\SettingsRowSwitchComponent {#14622 +label: "Show Comment Avatars" +help: "Display/hide user avatars when viewing comments on a single thread or post." +settingsKey: "KBIN_COMMENTS_SHOW_USER_AVATAR" +defaultValue: true +reloadRequired: true } |
user_actions | App\Twig\Components\UserActionsComponent | 14.0 MiB | 0.74 ms | |
---|---|---|---|---|
Input props | [ "user" => Proxies\__CG__\App\Entity\User {#1943 +avatar: null +cover: null +email: "trafguy@midwest.social" +username: "@trafguy@midwest.social" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1701527013 {#1516 : 2023-12-02 15:23:33.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#1632 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#1406 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#1713 …} +entries: Doctrine\ORM\PersistentCollection {#1710 …} +entryVotes: Doctrine\ORM\PersistentCollection {#1742 …} +entryComments: Doctrine\ORM\PersistentCollection {#1659 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#1470 …} +posts: Doctrine\ORM\PersistentCollection {#1746 …} +postVotes: Doctrine\ORM\PersistentCollection {#1490 …} +postComments: Doctrine\ORM\PersistentCollection {#1772 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#1622 …} +subscriptions: Doctrine\ORM\PersistentCollection {#1758 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#1450 …} +follows: Doctrine\ORM\PersistentCollection {#1422 …} +followers: Doctrine\ORM\PersistentCollection {#1660 …} +blocks: Doctrine\ORM\PersistentCollection {#1454 …} +blockers: Doctrine\ORM\PersistentCollection {#1425 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#1439 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#1428 …} +reports: Doctrine\ORM\PersistentCollection {#1461 …} +favourites: Doctrine\ORM\PersistentCollection {#1438 …} +violations: Doctrine\ORM\PersistentCollection {#1697 …} +notifications: Doctrine\ORM\PersistentCollection {#1690 …} +awards: Doctrine\ORM\PersistentCollection {#1429 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#1612 …} +categories: Doctrine\ORM\PersistentCollection {#1675 …} -id: 30753 -password: "$2y$13$V.iCe02RTvsCKlk9VR8eyO/XOHNlerws30k4pHsZdtecSqn5repUW" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1668 …} +apId: "trafguy@midwest.social" +apProfileId: "https://midwest.social/u/trafguy" +apPublicUrl: "https://midwest.social/u/trafguy" +apFollowersUrl: null +apInboxUrl: "https://midwest.social/inbox" +apDomain: "midwest.social" +apPreferredUsername: "trafguy" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1705341170 {#1537 : 2024-01-15 18:52:50.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1689652756 {#1515 : 2023-07-18 05:59:16.0 +02:00 } +__isInitialized__: true …2 } ] |
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Attributes | [] |
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Component | App\Twig\Components\UserActionsComponent {#14699 +user: Proxies\__CG__\App\Entity\User {#1943 +avatar: null +cover: null +email: "trafguy@midwest.social" +username: "@trafguy@midwest.social" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1701527013 {#1516 : 2023-12-02 15:23:33.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#1632 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#1406 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#1713 …} +entries: Doctrine\ORM\PersistentCollection {#1710 …} +entryVotes: Doctrine\ORM\PersistentCollection {#1742 …} +entryComments: Doctrine\ORM\PersistentCollection {#1659 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#1470 …} +posts: Doctrine\ORM\PersistentCollection {#1746 …} +postVotes: Doctrine\ORM\PersistentCollection {#1490 …} +postComments: Doctrine\ORM\PersistentCollection {#1772 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#1622 …} +subscriptions: Doctrine\ORM\PersistentCollection {#1758 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#1450 …} +follows: Doctrine\ORM\PersistentCollection {#1422 …} +followers: Doctrine\ORM\PersistentCollection {#1660 …} +blocks: Doctrine\ORM\PersistentCollection {#1454 …} +blockers: Doctrine\ORM\PersistentCollection {#1425 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#1439 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#1428 …} +reports: Doctrine\ORM\PersistentCollection {#1461 …} +favourites: Doctrine\ORM\PersistentCollection {#1438 …} +violations: Doctrine\ORM\PersistentCollection {#1697 …} +notifications: Doctrine\ORM\PersistentCollection {#1690 …} +awards: Doctrine\ORM\PersistentCollection {#1429 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#1612 …} +categories: Doctrine\ORM\PersistentCollection {#1675 …} -id: 30753 -password: "$2y$13$V.iCe02RTvsCKlk9VR8eyO/XOHNlerws30k4pHsZdtecSqn5repUW" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1668 …} +apId: "trafguy@midwest.social" +apProfileId: "https://midwest.social/u/trafguy" +apPublicUrl: "https://midwest.social/u/trafguy" +apFollowersUrl: null +apInboxUrl: "https://midwest.social/inbox" +apDomain: "midwest.social" +apPreferredUsername: "trafguy" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1705341170 {#1537 : 2024-01-15 18:52:50.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1689652756 {#1515 : 2023-07-18 05:59:16.0 +02:00 } +__isInitialized__: true …2 } } |
date | App\Twig\Components\DateComponent | 14.0 MiB | 0.32 ms | |
---|---|---|---|---|
Input props | [ "date" => DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } ] |
|||
Attributes | [] |
|||
Component | App\Twig\Components\DateComponent {#14760 +date: DateTimeImmutable @1690135242 {#1850 : 2023-07-23 20:00:42.0 +02:00 } } |
magazine_box | App\Twig\Components\MagazineBoxComponent | 14.0 MiB | 11.91 ms | |
---|---|---|---|---|
Input props | [ "magazine" => App\Entity\Magazine {#266 +icon: Proxies\__CG__\App\Entity\Image {#247 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: Doctrine\ORM\PersistentCollection {#72 …} +awards: Doctrine\ORM\PersistentCollection {#61 …} +categories: Doctrine\ORM\PersistentCollection {#1820 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } "showSectionTitle" => true ] |
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Attributes | [] |
|||
Component | App\Twig\Components\MagazineBoxComponent {#14816 +magazine: App\Entity\Magazine {#266 +icon: Proxies\__CG__\App\Entity\Image {#247 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: Doctrine\ORM\PersistentCollection {#72 …} +awards: Doctrine\ORM\PersistentCollection {#61 …} +categories: Doctrine\ORM\PersistentCollection {#1820 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } +showCover: true +showDescription: true +showRules: true +showSubscribeButton: true +showInfo: true +showMeta: true +showSectionTitle: true +stretchedLink: true } |
magazine_sub | App\Twig\Components\MagazineSubComponent | 14.0 MiB | 1.26 ms | |
---|---|---|---|---|
Input props | [ "magazine" => App\Entity\Magazine {#266 +icon: Proxies\__CG__\App\Entity\Image {#247 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: Doctrine\ORM\PersistentCollection {#72 …} +awards: Doctrine\ORM\PersistentCollection {#61 …} +categories: Doctrine\ORM\PersistentCollection {#1820 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } ] |
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Attributes | [] |
|||
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60RMEqQQHduCDSairI0muo96Cy/F8PB2X/sekETyXIf3NxTVkbTNm/Z/FbAEIg/f\r\n OaWn8nkNU6iHuIkoyNIlIMtloMDtAtWdDzW0M0JkZNBDgJcSF4z5gdtvT1ePjnGc\r\n S0/aYT/64ndULfUaPti3ZEvWanvHNiR3iSnOTb//Djl+bkPwfNiV57l2Iv6FRCW+\r\n beNhvLtyCJGDORvxrdN91lOnW8ijgZnZ212j8PSwtzO6KKd8sgm91Ay34IP152Vb\r\n 2cUjwj5YeRtS29K+O7Iiqv9JPWEbmtABbFYNHYan7sLG+hvR8eRInLj7LjiI1yDQ\r\n U45ZxOEnTM9GSbe2y48JSnUCAwEAAQ==\r\n -----END PUBLIC KEY----- """ +apFetchedAt: null +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1686560440 {#15093 : 2023-06-12 11:00:40.0 +02:00 } +__isInitialized__: true …2 } +showAvatar: true } |
related_magazines | App\Twig\Components\RelatedMagazinesComponent | 14.0 MiB | 11.57 ms | |
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Input props | [ "magazine" => "askelectronics@discuss.tchncs.de" "tag" => null ] |
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Attributes | [] |
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Component | App\Twig\Components\RelatedMagazinesComponent {#15254 +limit: 4 +tag: null +magazine: "askelectronics@discuss.tchncs.de" +type: "magazine" +title: "related_magazines" +refreshedRandom: false -repository: App\Repository\MagazineRepository {#334 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -twig: Twig\Environment {#1252 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} } |
active_users | App\Twig\Components\ActiveUsersComponent | 16.0 MiB | 51.18 ms | |
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Input props | [ "magazine" => App\Entity\Magazine {#266 +icon: Proxies\__CG__\App\Entity\Image {#247 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: Doctrine\ORM\PersistentCollection {#72 …} +awards: Doctrine\ORM\PersistentCollection {#61 …} +categories: Doctrine\ORM\PersistentCollection {#1820 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } ] |
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Attributes | [] |
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Component | App\Twig\Components\ActiveUsersComponent {#15380 +magazine: App\Entity\Magazine {#266 +icon: Proxies\__CG__\App\Entity\Image {#247 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: Doctrine\ORM\PersistentCollection {#72 …} +awards: Doctrine\ORM\PersistentCollection {#61 …} +categories: Doctrine\ORM\PersistentCollection {#1820 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } -userRepository: App\Repository\UserRepository {#603 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -twig: Twig\Environment {#1252 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} } |
user_avatar | App\Twig\Components\UserAvatarComponent | 14.0 MiB | 1.66 ms | |
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Input props | [ "user" => App\Entity\User {#15827 +avatar: Proxies\__CG__\App\Entity\Image {#15824 …} +cover: Proxies\__CG__\App\Entity\Image {#15825 …} +email: "TCB13@lemmy.world" +username: "@TCB13@lemmy.world" +roles: [] +followersCount: 0 +homepage: "front" +about: "" +lastActive: DateTime @1729518803 {#15647 : 2024-10-21 15:53:23.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#15822 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#15820 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#15818 …} +entries: Doctrine\ORM\PersistentCollection {#15816 …} +entryVotes: Doctrine\ORM\PersistentCollection {#15814 …} +entryComments: Doctrine\ORM\PersistentCollection {#15812 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#15810 …} +posts: Doctrine\ORM\PersistentCollection {#15808 …} +postVotes: Doctrine\ORM\PersistentCollection {#15806 …} +postComments: Doctrine\ORM\PersistentCollection {#15804 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#15802 …} +subscriptions: Doctrine\ORM\PersistentCollection {#15800 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#15798 …} +follows: Doctrine\ORM\PersistentCollection {#15796 …} +followers: Doctrine\ORM\PersistentCollection {#15794 …} +blocks: Doctrine\ORM\PersistentCollection {#15792 …} +blockers: Doctrine\ORM\PersistentCollection {#15790 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#15788 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#15786 …} +reports: Doctrine\ORM\PersistentCollection {#15784 …} +favourites: Doctrine\ORM\PersistentCollection {#15782 …} +violations: Doctrine\ORM\PersistentCollection {#15780 …} +notifications: Doctrine\ORM\PersistentCollection {#15778 …} +awards: Doctrine\ORM\PersistentCollection {#15776 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#15774 …} +categories: Doctrine\ORM\PersistentCollection {#15772 …} -id: 43677 -password: "$2y$13$67WvGuLt4FPbc4trvxnH0ODZHTvTlMWI7kaafAJZUzYiSsXw.KDqi" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#15770 …} +apId: "TCB13@lemmy.world" +apProfileId: "https://lemmy.world/u/TCB13" +apPublicUrl: "https://lemmy.world/u/TCB13" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "TCB13" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1729566764 {#15828 : 2024-10-22 05:12:44.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1693492241 {#15826 : 2023-08-31 16:30:41.0 +02:00 } } "width" => 65 "height" => 65 "asLink" => true ] |
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Attributes | [] |
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Component | App\Twig\Components\UserAvatarComponent {#15436 +width: 65 +height: 65 +user: App\Entity\User {#15827 +avatar: Proxies\__CG__\App\Entity\Image {#15824 …} +cover: Proxies\__CG__\App\Entity\Image {#15825 …} +email: "TCB13@lemmy.world" +username: "@TCB13@lemmy.world" +roles: [] +followersCount: 0 +homepage: "front" +about: "" +lastActive: DateTime @1729518803 {#15647 : 2024-10-21 15:53:23.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#15822 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#15820 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#15818 …} +entries: Doctrine\ORM\PersistentCollection {#15816 …} +entryVotes: Doctrine\ORM\PersistentCollection {#15814 …} +entryComments: Doctrine\ORM\PersistentCollection {#15812 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#15810 …} +posts: Doctrine\ORM\PersistentCollection {#15808 …} +postVotes: Doctrine\ORM\PersistentCollection {#15806 …} +postComments: Doctrine\ORM\PersistentCollection {#15804 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#15802 …} +subscriptions: Doctrine\ORM\PersistentCollection {#15800 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#15798 …} +follows: Doctrine\ORM\PersistentCollection {#15796 …} +followers: Doctrine\ORM\PersistentCollection {#15794 …} +blocks: Doctrine\ORM\PersistentCollection {#15792 …} +blockers: Doctrine\ORM\PersistentCollection {#15790 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#15788 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#15786 …} +reports: Doctrine\ORM\PersistentCollection {#15784 …} +favourites: Doctrine\ORM\PersistentCollection {#15782 …} +violations: Doctrine\ORM\PersistentCollection {#15780 …} +notifications: Doctrine\ORM\PersistentCollection {#15778 …} +awards: Doctrine\ORM\PersistentCollection {#15776 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#15774 …} +categories: Doctrine\ORM\PersistentCollection {#15772 …} -id: 43677 -password: "$2y$13$67WvGuLt4FPbc4trvxnH0ODZHTvTlMWI7kaafAJZUzYiSsXw.KDqi" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#15770 …} +apId: "TCB13@lemmy.world" +apProfileId: "https://lemmy.world/u/TCB13" +apPublicUrl: "https://lemmy.world/u/TCB13" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "TCB13" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1729566764 {#15828 : 2024-10-22 05:12:44.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1693492241 {#15826 : 2023-08-31 16:30:41.0 +02:00 } } +asLink: true } |
user_avatar | App\Twig\Components\UserAvatarComponent | 14.0 MiB | 0.34 ms | |
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Input props | [ "user" => App\Entity\User {#15512 +avatar: Proxies\__CG__\App\Entity\Image {#15511 …} +cover: null +email: "skillissuer@discuss.tchncs.de" +username: "@skillissuer@discuss.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: "i should be writing" +lastActive: DateTime @1721044672 {#15515 : 2024-07-15 13:57:52.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#15510 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#15508 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#15506 …} +entries: Doctrine\ORM\PersistentCollection {#15504 …} +entryVotes: Doctrine\ORM\PersistentCollection {#15502 …} +entryComments: Doctrine\ORM\PersistentCollection {#15500 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#15498 …} +posts: Doctrine\ORM\PersistentCollection {#15496 …} +postVotes: Doctrine\ORM\PersistentCollection {#15494 …} +postComments: Doctrine\ORM\PersistentCollection {#15492 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#15490 …} +subscriptions: Doctrine\ORM\PersistentCollection {#15488 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#15486 …} +follows: Doctrine\ORM\PersistentCollection {#15484 …} +followers: Doctrine\ORM\PersistentCollection {#15482 …} +blocks: Doctrine\ORM\PersistentCollection {#15480 …} +blockers: Doctrine\ORM\PersistentCollection {#15478 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#15476 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#15474 …} +reports: Doctrine\ORM\PersistentCollection {#15472 …} +favourites: Doctrine\ORM\PersistentCollection {#15470 …} +violations: Doctrine\ORM\PersistentCollection {#15468 …} +notifications: Doctrine\ORM\PersistentCollection {#15466 …} +awards: Doctrine\ORM\PersistentCollection {#15464 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#15462 …} +categories: Doctrine\ORM\PersistentCollection {#15460 …} -id: 39464 -password: "$2y$13$wQAP4Gif3ESopfZf00xAU.zwr9iTTX.ev3twB9omsse0v00sxuD/G" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#15458 …} +apId: "skillissuer@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/skillissuer" +apPublicUrl: "https://discuss.tchncs.de/u/skillissuer" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "skillissuer" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1728245617 {#15514 : 2024-10-06 22:13:37.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1691480767 {#15513 : 2023-08-08 09:46:07.0 +02:00 } } "width" => 65 "height" => 65 "asLink" => true ] |
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Attributes | [] |
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Component | App\Twig\Components\UserAvatarComponent {#15716 +width: 65 +height: 65 +user: App\Entity\User {#15512 +avatar: Proxies\__CG__\App\Entity\Image {#15511 …} +cover: null +email: "skillissuer@discuss.tchncs.de" +username: "@skillissuer@discuss.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: "i should be writing" +lastActive: DateTime @1721044672 {#15515 : 2024-07-15 13:57:52.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#15510 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#15508 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#15506 …} +entries: Doctrine\ORM\PersistentCollection {#15504 …} +entryVotes: Doctrine\ORM\PersistentCollection {#15502 …} +entryComments: Doctrine\ORM\PersistentCollection {#15500 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#15498 …} +posts: Doctrine\ORM\PersistentCollection {#15496 …} +postVotes: Doctrine\ORM\PersistentCollection {#15494 …} +postComments: Doctrine\ORM\PersistentCollection {#15492 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#15490 …} +subscriptions: Doctrine\ORM\PersistentCollection {#15488 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#15486 …} +follows: Doctrine\ORM\PersistentCollection {#15484 …} +followers: Doctrine\ORM\PersistentCollection {#15482 …} +blocks: Doctrine\ORM\PersistentCollection {#15480 …} +blockers: Doctrine\ORM\PersistentCollection {#15478 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#15476 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#15474 …} +reports: Doctrine\ORM\PersistentCollection {#15472 …} +favourites: Doctrine\ORM\PersistentCollection {#15470 …} +violations: Doctrine\ORM\PersistentCollection {#15468 …} +notifications: Doctrine\ORM\PersistentCollection {#15466 …} +awards: Doctrine\ORM\PersistentCollection {#15464 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#15462 …} +categories: Doctrine\ORM\PersistentCollection {#15460 …} -id: 39464 -password: "$2y$13$wQAP4Gif3ESopfZf00xAU.zwr9iTTX.ev3twB9omsse0v00sxuD/G" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#15458 …} +apId: "skillissuer@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/skillissuer" +apPublicUrl: "https://discuss.tchncs.de/u/skillissuer" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "skillissuer" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1728245617 {#15514 : 2024-10-06 22:13:37.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1691480767 {#15513 : 2023-08-08 09:46:07.0 +02:00 } } +asLink: true } |
user_avatar | App\Twig\Components\UserAvatarComponent | 16.0 MiB | 5.98 ms | |
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Input props | [ "user" => App\Entity\User {#15571 +avatar: Proxies\__CG__\App\Entity\Image {#15570 …} +cover: null +email: "birdcat@lemmy.ml" +username: "@birdcat@lemmy.ml" +roles: [] +followersCount: 0 +homepage: "front" +about: """ Appreciate and upvote every reply to my comments/posts if I can detect any effort being put into it; even if I think you completely missed what I tried to say or strongly disagree with your opinion.\n \n Occasionally I cannot resist shitposting, hyperbolic, ironic, sarcastic or populist rhetoric; no /s """ +lastActive: DateTime @1696696022 {#15574 : 2023-10-07 18:27:02.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#15569 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#15567 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#15565 …} +entries: Doctrine\ORM\PersistentCollection {#15563 …} +entryVotes: Doctrine\ORM\PersistentCollection {#15561 …} +entryComments: Doctrine\ORM\PersistentCollection {#15559 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#15557 …} +posts: Doctrine\ORM\PersistentCollection {#15555 …} +postVotes: Doctrine\ORM\PersistentCollection {#15553 …} +postComments: Doctrine\ORM\PersistentCollection {#15551 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#15549 …} +subscriptions: Doctrine\ORM\PersistentCollection {#15547 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#15545 …} +follows: Doctrine\ORM\PersistentCollection {#15543 …} +followers: Doctrine\ORM\PersistentCollection {#15541 …} +blocks: Doctrine\ORM\PersistentCollection {#15539 …} +blockers: Doctrine\ORM\PersistentCollection {#15537 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#15535 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#15533 …} +reports: Doctrine\ORM\PersistentCollection {#15531 …} +favourites: Doctrine\ORM\PersistentCollection {#15529 …} +violations: Doctrine\ORM\PersistentCollection {#15527 …} +notifications: Doctrine\ORM\PersistentCollection {#15525 …} +awards: Doctrine\ORM\PersistentCollection {#15523 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#15521 …} +categories: Doctrine\ORM\PersistentCollection {#15519 …} -id: 21796 -password: "$2y$13$ACNmoGKWwRgm/Njn146GG.b25O8.XXYtlu6ZukGNMl7KWiROcYuzK" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#15517 …} +apId: "birdcat@lemmy.ml" +apProfileId: "https://lemmy.ml/u/birdcat" +apPublicUrl: "https://lemmy.ml/u/birdcat" +apFollowersUrl: null +apInboxUrl: "https://lemmy.ml/inbox" +apDomain: "lemmy.ml" +apPreferredUsername: "birdcat" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1719824521 {#15573 : 2024-07-01 11:02:01.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1689039812 {#15572 : 2023-07-11 03:43:32.0 +02:00 } } "width" => 65 "height" => 65 "asLink" => true ] |
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Attributes | [] |
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Component | App\Twig\Components\UserAvatarComponent {#15661 +width: 65 +height: 65 +user: App\Entity\User {#15571 +avatar: Proxies\__CG__\App\Entity\Image {#15570 …} +cover: null +email: "birdcat@lemmy.ml" +username: "@birdcat@lemmy.ml" +roles: [] +followersCount: 0 +homepage: "front" +about: """ Appreciate and upvote every reply to my comments/posts if I can detect any effort being put into it; even if I think you completely missed what I tried to say or strongly disagree with your opinion.\n \n Occasionally I cannot resist shitposting, hyperbolic, ironic, sarcastic or populist rhetoric; no /s """ +lastActive: DateTime @1696696022 {#15574 : 2023-10-07 18:27:02.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#15569 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#15567 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#15565 …} +entries: Doctrine\ORM\PersistentCollection {#15563 …} +entryVotes: Doctrine\ORM\PersistentCollection {#15561 …} +entryComments: Doctrine\ORM\PersistentCollection {#15559 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#15557 …} +posts: Doctrine\ORM\PersistentCollection {#15555 …} +postVotes: Doctrine\ORM\PersistentCollection {#15553 …} +postComments: Doctrine\ORM\PersistentCollection {#15551 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#15549 …} +subscriptions: Doctrine\ORM\PersistentCollection {#15547 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#15545 …} +follows: Doctrine\ORM\PersistentCollection {#15543 …} +followers: Doctrine\ORM\PersistentCollection {#15541 …} +blocks: Doctrine\ORM\PersistentCollection {#15539 …} +blockers: Doctrine\ORM\PersistentCollection {#15537 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#15535 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#15533 …} +reports: Doctrine\ORM\PersistentCollection {#15531 …} +favourites: Doctrine\ORM\PersistentCollection {#15529 …} +violations: Doctrine\ORM\PersistentCollection {#15527 …} +notifications: Doctrine\ORM\PersistentCollection {#15525 …} +awards: Doctrine\ORM\PersistentCollection {#15523 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#15521 …} +categories: Doctrine\ORM\PersistentCollection {#15519 …} -id: 21796 -password: "$2y$13$ACNmoGKWwRgm/Njn146GG.b25O8.XXYtlu6ZukGNMl7KWiROcYuzK" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#15517 …} +apId: "birdcat@lemmy.ml" +apProfileId: "https://lemmy.ml/u/birdcat" +apPublicUrl: "https://lemmy.ml/u/birdcat" +apFollowersUrl: null +apInboxUrl: "https://lemmy.ml/inbox" +apDomain: "lemmy.ml" +apPreferredUsername: "birdcat" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1719824521 {#15573 : 2024-07-01 11:02:01.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1689039812 {#15572 : 2023-07-11 03:43:32.0 +02:00 } } +asLink: true } |
user_avatar | App\Twig\Components\UserAvatarComponent | 16.0 MiB | 0.51 ms | |
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Input props | [ "user" => App\Entity\User {#15453 +avatar: Proxies\__CG__\App\Entity\Image {#15452 …} +cover: Proxies\__CG__\App\Entity\Image {#15451 …} +email: "vfrmedia@social.tchncs.de" +username: "@vfrmedia@social.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: """ Old roaming Tom Cat (zwerfkater) but still young at heart. Toots EN, (NL,FR,DE). [#DevOpa](https://social.tchncs.de/tags/DevOpa) - interested more in retro tech / culture / aesthetics than new stuff. Also transport and public infrastructure in general (with a UK/European focus)\n \n Welcome to the secret goose shed!\n \n Avatar is a tabby point Siamese cat - header picture is a Stentor FM radio transmitter designed in the Netherlands; popular with small pirate radio broadcasters in late 1980s """ +lastActive: DateTime @1692636225 {#15456 : 2023-08-21 18:43:45.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#15450 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#15448 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#15398 …} +entries: Doctrine\ORM\PersistentCollection {#15400 …} +entryVotes: Doctrine\ORM\PersistentCollection {#15407 …} +entryComments: Doctrine\ORM\PersistentCollection {#15408 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#15410 …} +posts: Doctrine\ORM\PersistentCollection {#15412 …} +postVotes: Doctrine\ORM\PersistentCollection {#15409 …} +postComments: Doctrine\ORM\PersistentCollection {#15402 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#15420 …} +subscriptions: Doctrine\ORM\PersistentCollection {#15417 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#15425 …} +follows: Doctrine\ORM\PersistentCollection {#15422 …} +followers: Doctrine\ORM\PersistentCollection {#15430 …} +blocks: Doctrine\ORM\PersistentCollection {#15432 …} +blockers: Doctrine\ORM\PersistentCollection {#15434 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#15842 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#15836 …} +reports: Doctrine\ORM\PersistentCollection {#15649 …} +favourites: Doctrine\ORM\PersistentCollection {#15638 …} +violations: Doctrine\ORM\PersistentCollection {#15844 …} +notifications: Doctrine\ORM\PersistentCollection {#15843 …} +awards: Doctrine\ORM\PersistentCollection {#15840 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#15837 …} +categories: Doctrine\ORM\PersistentCollection {#15834 …} -id: 41651 -password: "$2y$13$MR/jvQLw20snj7dhCUOzrerIeJOUi.vmMEXqlAliA6M/KYuWQH.Sa" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#15833 …} +apId: "vfrmedia@social.tchncs.de" +apProfileId: "https://social.tchncs.de/users/vfrmedia" +apPublicUrl: "https://social.tchncs.de/@vfrmedia" +apFollowersUrl: "https://social.tchncs.de/users/vfrmedia/followers" +apInboxUrl: "https://social.tchncs.de/inbox" +apDomain: "social.tchncs.de" +apPreferredUsername: "vfrmedia" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1692636225 {#15455 : 2023-08-21 18:43:45.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1692554254 {#15454 : 2023-08-20 19:57:34.0 +02:00 } } "width" => 65 "height" => 65 "asLink" => true ] |
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Attributes | [] |
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Component | App\Twig\Components\UserAvatarComponent {#15887 +width: 65 +height: 65 +user: App\Entity\User {#15453 +avatar: Proxies\__CG__\App\Entity\Image {#15452 …} +cover: Proxies\__CG__\App\Entity\Image {#15451 …} +email: "vfrmedia@social.tchncs.de" +username: "@vfrmedia@social.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: """ Old roaming Tom Cat (zwerfkater) but still young at heart. Toots EN, (NL,FR,DE). [#DevOpa](https://social.tchncs.de/tags/DevOpa) - interested more in retro tech / culture / aesthetics than new stuff. Also transport and public infrastructure in general (with a UK/European focus)\n \n Welcome to the secret goose shed!\n \n Avatar is a tabby point Siamese cat - header picture is a Stentor FM radio transmitter designed in the Netherlands; popular with small pirate radio broadcasters in late 1980s """ +lastActive: DateTime @1692636225 {#15456 : 2023-08-21 18:43:45.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#15450 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#15448 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#15398 …} +entries: Doctrine\ORM\PersistentCollection {#15400 …} +entryVotes: Doctrine\ORM\PersistentCollection {#15407 …} +entryComments: Doctrine\ORM\PersistentCollection {#15408 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#15410 …} +posts: Doctrine\ORM\PersistentCollection {#15412 …} +postVotes: Doctrine\ORM\PersistentCollection {#15409 …} +postComments: Doctrine\ORM\PersistentCollection {#15402 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#15420 …} +subscriptions: Doctrine\ORM\PersistentCollection {#15417 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#15425 …} +follows: Doctrine\ORM\PersistentCollection {#15422 …} +followers: Doctrine\ORM\PersistentCollection {#15430 …} +blocks: Doctrine\ORM\PersistentCollection {#15432 …} +blockers: Doctrine\ORM\PersistentCollection {#15434 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#15842 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#15836 …} +reports: Doctrine\ORM\PersistentCollection {#15649 …} +favourites: Doctrine\ORM\PersistentCollection {#15638 …} +violations: Doctrine\ORM\PersistentCollection {#15844 …} +notifications: Doctrine\ORM\PersistentCollection {#15843 …} +awards: Doctrine\ORM\PersistentCollection {#15840 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#15837 …} +categories: Doctrine\ORM\PersistentCollection {#15834 …} -id: 41651 -password: "$2y$13$MR/jvQLw20snj7dhCUOzrerIeJOUi.vmMEXqlAliA6M/KYuWQH.Sa" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#15833 …} +apId: "vfrmedia@social.tchncs.de" +apProfileId: "https://social.tchncs.de/users/vfrmedia" +apPublicUrl: "https://social.tchncs.de/@vfrmedia" +apFollowersUrl: "https://social.tchncs.de/users/vfrmedia/followers" +apInboxUrl: "https://social.tchncs.de/inbox" +apDomain: "social.tchncs.de" +apPreferredUsername: "vfrmedia" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1692636225 {#15455 : 2023-08-21 18:43:45.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1692554254 {#15454 : 2023-08-20 19:57:34.0 +02:00 } } +asLink: true } |
user_avatar | App\Twig\Components\UserAvatarComponent | 16.0 MiB | 0.42 ms | |
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Input props | [ "user" => App\Entity\User {#15630 +avatar: Proxies\__CG__\App\Entity\Image {#15629 …} +cover: null +email: "jarrodsfarrell@hoosier.social" +username: "@jarrodsfarrell@hoosier.social" +roles: [] +followersCount: 0 +homepage: "front" +about: """ Grounded tech enthusiast, Linux enjoyer, and Indy 500 wannabe that lives in south-east Indiana. \n Go pride. [#LGBTQ](https://hoosier.social/tags/LGBTQ) """ +lastActive: DateTime @1690728142 {#15633 : 2023-07-30 16:42:22.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#15628 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#15626 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#15624 …} +entries: Doctrine\ORM\PersistentCollection {#15622 …} +entryVotes: Doctrine\ORM\PersistentCollection {#15620 …} +entryComments: Doctrine\ORM\PersistentCollection {#15618 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#15616 …} +posts: Doctrine\ORM\PersistentCollection {#15614 …} +postVotes: Doctrine\ORM\PersistentCollection {#15612 …} +postComments: Doctrine\ORM\PersistentCollection {#15610 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#15608 …} +subscriptions: Doctrine\ORM\PersistentCollection {#15606 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#15604 …} +follows: Doctrine\ORM\PersistentCollection {#15602 …} +followers: Doctrine\ORM\PersistentCollection {#15600 …} +blocks: Doctrine\ORM\PersistentCollection {#15598 …} +blockers: Doctrine\ORM\PersistentCollection {#15596 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#15594 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#15592 …} +reports: Doctrine\ORM\PersistentCollection {#15590 …} +favourites: Doctrine\ORM\PersistentCollection {#15588 …} +violations: Doctrine\ORM\PersistentCollection {#15586 …} +notifications: Doctrine\ORM\PersistentCollection {#15584 …} +awards: Doctrine\ORM\PersistentCollection {#15582 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#15580 …} +categories: Doctrine\ORM\PersistentCollection {#15578 …} -id: 20657 -password: "$2y$13$XNERcrvg1/EZkZQbKQ6R6efd5bjo3rlAJRSz0lDRnfkNCV76hr5Me" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#15576 …} +apId: "jarrodsfarrell@hoosier.social" +apProfileId: "https://hoosier.social/users/jarrodsfarrell" +apPublicUrl: "https://hoosier.social/@jarrodsfarrell" +apFollowersUrl: "https://hoosier.social/users/jarrodsfarrell/followers" +apInboxUrl: "https://hoosier.social/inbox" +apDomain: "hoosier.social" +apPreferredUsername: "jarrodsfarrell" +apDiscoverable: false +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1690726862 {#15632 : 2023-07-30 16:21:02.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1688878027 {#15631 : 2023-07-09 06:47:07.0 +02:00 } } "width" => 65 "height" => 65 "asLink" => true ] |
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Attributes | [] |
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Component | App\Twig\Components\UserAvatarComponent {#15944 +width: 65 +height: 65 +user: App\Entity\User {#15630 +avatar: Proxies\__CG__\App\Entity\Image {#15629 …} +cover: null +email: "jarrodsfarrell@hoosier.social" +username: "@jarrodsfarrell@hoosier.social" +roles: [] +followersCount: 0 +homepage: "front" +about: """ Grounded tech enthusiast, Linux enjoyer, and Indy 500 wannabe that lives in south-east Indiana. \n Go pride. [#LGBTQ](https://hoosier.social/tags/LGBTQ) """ +lastActive: DateTime @1690728142 {#15633 : 2023-07-30 16:42:22.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#15628 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#15626 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#15624 …} +entries: Doctrine\ORM\PersistentCollection {#15622 …} +entryVotes: Doctrine\ORM\PersistentCollection {#15620 …} +entryComments: Doctrine\ORM\PersistentCollection {#15618 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#15616 …} +posts: Doctrine\ORM\PersistentCollection {#15614 …} +postVotes: Doctrine\ORM\PersistentCollection {#15612 …} +postComments: Doctrine\ORM\PersistentCollection {#15610 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#15608 …} +subscriptions: Doctrine\ORM\PersistentCollection {#15606 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#15604 …} +follows: Doctrine\ORM\PersistentCollection {#15602 …} +followers: Doctrine\ORM\PersistentCollection {#15600 …} +blocks: Doctrine\ORM\PersistentCollection {#15598 …} +blockers: Doctrine\ORM\PersistentCollection {#15596 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#15594 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#15592 …} +reports: Doctrine\ORM\PersistentCollection {#15590 …} +favourites: Doctrine\ORM\PersistentCollection {#15588 …} +violations: Doctrine\ORM\PersistentCollection {#15586 …} +notifications: Doctrine\ORM\PersistentCollection {#15584 …} +awards: Doctrine\ORM\PersistentCollection {#15582 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#15580 …} +categories: Doctrine\ORM\PersistentCollection {#15578 …} -id: 20657 -password: "$2y$13$XNERcrvg1/EZkZQbKQ6R6efd5bjo3rlAJRSz0lDRnfkNCV76hr5Me" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#15576 …} +apId: "jarrodsfarrell@hoosier.social" +apProfileId: "https://hoosier.social/users/jarrodsfarrell" +apPublicUrl: "https://hoosier.social/@jarrodsfarrell" +apFollowersUrl: "https://hoosier.social/users/jarrodsfarrell/followers" +apInboxUrl: "https://hoosier.social/inbox" +apDomain: "hoosier.social" +apPreferredUsername: "jarrodsfarrell" +apDiscoverable: false +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1690726862 {#15632 : 2023-07-30 16:21:02.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1688878027 {#15631 : 2023-07-09 06:47:07.0 +02:00 } } +asLink: true } |
related_categories | App\Twig\Components\RelatedCategoriesComponent | 16.0 MiB | 3.38 ms | |
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Input props | [ "magazine" => "askelectronics@discuss.tchncs.de" "tag" => null ] |
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Attributes | [] |
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Component | App\Twig\Components\RelatedCategoriesComponent {#16006 +limit: 4 +tag: null +magazine: "askelectronics@discuss.tchncs.de" +type: "related" +title: "related_categories" +refreshedRandom: false -repository: App\Repository\CategoryRepository {#16007 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -twig: Twig\Environment {#1252 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} } |
related_posts | App\Twig\Components\RelatedPostsComponent | 16.0 MiB | 6.78 ms | |
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Input props | [ "magazine" => "askelectronics@discuss.tchncs.de" "tag" => null ] |
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Attributes | [] |
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Component | App\Twig\Components\RelatedPostsComponent {#16083 +limit: 4 +tag: null +magazine: "askelectronics@discuss.tchncs.de" +type: "magazine" +post: null +title: "related_posts" +refreshedRandom: false -repository: App\Repository\PostRepository {#16084 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -twig: Twig\Environment {#1252 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} -mentionManager: App\Service\MentionManager {#390 …} } |
related_entries | App\Twig\Components\RelatedEntriesComponent | 16.0 MiB | 13.65 ms | |
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Input props | [ "magazine" => "askelectronics@discuss.tchncs.de" "tag" => null ] |
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Attributes | [] |
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Component | App\Twig\Components\RelatedEntriesComponent {#16204 +limit: 4 +tag: null +magazine: "askelectronics@discuss.tchncs.de" +type: "magazine" +entry: null +title: "related_entries" +refreshedRandom: false -repository: App\Repository\EntryRepository {#271 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -twig: Twig\Environment {#1252 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} -mentionManager: App\Service\MentionManager {#390 …} } |
support_us_block | App\Twig\Components\SupportUsBlock | 16.0 MiB | 1.66 ms | |
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Input props | [] |
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Attributes | [] |
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Component | App\Twig\Components\SupportUsBlock {#16259 +subject: ? App\Entity\Contracts\VotableInterface +url: ? string -twig: Twig\Environment {#1252 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} -partnerBlockRepository: App\Repository\PartnerBlockRepository {#16258 …} } |
featured_magazines | App\Twig\Components\FeaturedMagazinesComponent | 16.0 MiB | 1.34 ms | |
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Input props | [ "magazine" => App\Entity\Magazine {#266 +icon: Proxies\__CG__\App\Entity\Image {#247 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: Doctrine\ORM\PersistentCollection {#72 …} +awards: Doctrine\ORM\PersistentCollection {#61 …} +categories: Doctrine\ORM\PersistentCollection {#1820 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } ] |
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Attributes | [] |
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Component | App\Twig\Components\FeaturedMagazinesComponent {#16334 +magazine: App\Entity\Magazine {#266 +icon: Proxies\__CG__\App\Entity\Image {#247 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#276 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#238 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#223 …} +entries: Doctrine\ORM\PersistentCollection {#181 …} +posts: Doctrine\ORM\PersistentCollection {#139 …} +subscriptions: Doctrine\ORM\PersistentCollection {#201 …} +bans: Doctrine\ORM\PersistentCollection {#118 …} +reports: Doctrine\ORM\PersistentCollection {#104 …} +badges: Doctrine\ORM\PersistentCollection {#82 …} +logs: Doctrine\ORM\PersistentCollection {#72 …} +awards: Doctrine\ORM\PersistentCollection {#61 …} +categories: Doctrine\ORM\PersistentCollection {#1820 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#270 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#272 : 2023-06-19 05:13:29.0 +02:00 } } -twig: Twig\Environment {#1252 …} -repository: App\Repository\MagazineRepository {#334 …} } |