Amp Meter Works Backward

eswalllie

I love flying!
Joined
Jul 11, 2018
Messages
9
Location
Las Vegas
I accidently overwrote the EMS configuration file and now the amp meter works backwards. I hate to reverse the wires if it is just a configuration problem. Any suggestions?
 

jdubner

Member
Joined
Apr 30, 2006
Messages
148
Location
Independence, OR
Any suggestions?

Assuming you have the shunt and not the Hall-effect device . . .

An excerpt from the .SFG file:

Code:
sensor={
    id=AMMETER SHUNT (100412-000) NEG POLARITY
    function=AMPS
    pins=C37_P24/25

I would try changing NEG to POS POLARITY.

But I wouldn't be surprised if Dynon provides a UI feature to do that for you somewhere in the setup menus.

Also, IIRC copies of your .SFG and .DFG files are saved on the USB thumb drive when you do a firmware update. Maybe you still have them.
 
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