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electrical:12v:voltage_sensing_delay [2021/04/15 10:33] frater_secessus |
electrical:12v:voltage_sensing_delay [2024/05/04 12:12] (current) frater_secessus |
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[[electrical: | [[electrical: | ||
- | Voltage-sensing can be added to devices that lack it by adding a low voltage disconnect((no timer delay)), or [[https:// | + | Voltage-sensing can be added to devices that lack it by adding a [[electrical: |
> 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:// | > 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:// | ||
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+ | There are many kinds of [[https:// | ||
Note that these can sense voltage on any circuit, not just the IGN circuit. | Note that these can sense voltage on any circuit, not just the IGN circuit. | ||
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+ | It would be possible to mount an actual VSR for this purpose, but it could be overkill in terms of space, weight, and cost. |