electrical:12v:voltage_sensing_delay
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electrical:12v:voltage_sensing_delay [2021/04/15 10:26] frater_secessus created |
electrical:12v:voltage_sensing_delay [2021/04/15 10:43] frater_secessus |
[[electrical:12v:alternator#isolators|Solenoids]] and some [[electrical:12v:b2b|DC-DC chargers]] use a circuit powered when the ignition is on (IGN) to start their operation. [[electrical:12v:alternator#voltage-sensing_relays|Voltage-Sensing Relays]] (VSR) do this by reading voltage to know when alternator charging((or some other form of charging)) is occurring. | [[electrical:12v:alternator#isolators|Solenoids]] and some [[electrical:12v:b2b|DC-DC chargers]] use a circuit powered when the ignition is on (IGN) to start their operation. [[electrical:12v:alternator#voltage-sensing_relays|Voltage-Sensing Relays]] (VSR) do this by reading voltage to know when alternator charging((or some other form of charging)) is occurring. |
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Voltage-sensing can be added to devices that lack it by adding a [[https://amzn.to/2RubQqw|a relay-delay]].((https://rvelectrical.com/product/intellitec-battery-isolator-relay-delay-00-00629-120/)). Note that the relay-delay can sense voltage on any circuit, not just the IGN circuit. | Voltage-sensing can be added to devices that lack it by adding a [[electrical:12v:lvd|low voltage disconnect]]((no timer delay)), or [[https://amzn.to/2RubQqw|a relay-delay]] to the trigger wire.((https://diysolarforum.com/threads/dc-dc-charger-b2b-options-and-general-discussion.17211/post-250213)) The device on the right is a relay-delay: |
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| > it operates by sensing the voltage on the main 12 volt system. When this voltage goes above 13.3 volts for approximately 12 seconds... it will close the isolator relay providing charging current to the auxiliary battery.((https://rvelectrical.com/product/intellitec-battery-isolator-relay-delay-00-00629-120/)) |
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| Note that these can sense voltage on any circuit, not just the IGN circuit. |
electrical/12v/voltage_sensing_delay.txt ยท Last modified: 2024/05/04 12:12 by frater_secessus