REFLECTOR: Bus, Battery & Back Order

John Dibble aminetech at bluefrog.com
Thu Jun 16 21:04:16 CDT 2005


I suppose if your system voltage is down to 13V, then something is wrong, however
the alternator would still be supplying the current draw.  I think 12.5 V is where you
are beginning to draw from the battery and 12-12.2 (where my warning comes on) is
where the battery is getting "low".  So it all depends on at what point do you want
the warning?

John

Hiroo Umeno wrote:

> This is a timely thread for me as I am finalizing the firmware for the
> annunciator panel MCU.  What voltage do you all trigger the low voltage
> warning?  I am guessing that since alternator produce 14V and the
> battery is at 12, simplistically it should be set to 13V or so, taking
> the middle.  Is there a standard value that is the "industry standard"?
>




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