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electrical:relay [2018/01/11 14:55] frater_secessus [normally open vs normally closed] |
electrical:relay [2018/01/11 14:55] frater_secessus [Relays] |
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The most common relay campers are exposed to is the solenoid for [[electrical: | The most common relay campers are exposed to is the solenoid for [[electrical: | ||
Relays are also useful for powering loads from [[electrical: | Relays are also useful for powering loads from [[electrical: | ||
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+ | Common uses: | ||
+ | * battery isolation when [[electrical: | ||
+ | * [[electrical: | ||
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===== normally open vs normally closed ===== | ===== normally open vs normally closed ===== | ||
Relays come in two basic types: | Relays come in two basic types: | ||
- **Normally Open (NO)** - the output circuit is open/ | - **Normally Open (NO)** - the output circuit is open/ | ||
- **Normally Closed (NC)** - the output circuit is closed/ | - **Normally Closed (NC)** - the output circuit is closed/ | ||
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===== latching relays ===== | ===== latching relays ===== | ||
Normally it takes power from the trigger source to operate the relay. | Normally it takes power from the trigger source to operate the relay. | ||