Alternator control 113

Discussion and support for MoTeC's previous generation ECUs.

Alternator control 113

Postby Paragon on Wed Jan 07, 2015 12:05 pm

On the Aux outputs 113 there is Alternator control. Is there any documentation on this feature ?

does it act as an exciter ? How do you wire it up ?

Any info would be gratefully accepted.
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Re: Alternator control 113

Postby David Ferguson on Wed Jan 07, 2015 6:15 pm

If you press F1, you get the help window that starts with the list of function numbers, you need to scroll this window down and there is a complete description of the function:

113: Alternator Control
Turns the Alternator off during full throttle if the battery has sufficient voltage. Note that the alternator much be able to supply at least twice the system load draw so that the batter can be charged during part throttle.
The injector battery compensation must be verified to ensure that the fueling does not vary as the battery voltage varies.


I would assume you either use the aux output to directly power the field voltage, or have it control a relay for the field voltage if that draws too much current.
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Re: Alternator control 113

Postby Paragon on Thu Jan 08, 2015 7:13 am

I have read the F1, I am looking for detail on how it works and how to wire it up.
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Re: Alternator control 113

Postby Arve Flaat on Sun Jan 11, 2015 7:56 pm

Hi

If you wire the Aux on the alternator instead of the charing lamp the alternator works when it gets 12v, and and don't work when aux turned too 0 volt.

PS: I have not tried this but i believe it will work.

Regards
AF
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Alternator control 113

Postby Paragon on Tue Feb 24, 2015 12:27 pm

I am not one for just jamming in wires in places unknown, can no one from Motec explain / provide a simple drawing of this undocumented feature ?
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