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Cummins PCC 3200
How is external speed and voltage trim enabled?

Hi

I am trying to get remote speed and voltage trim working on a Cummins diesel genset which uses PCC3200. I am supplying two 0-5vdc signals for controlling voltage and speed. I have the wires connected to terminal 41-42 and 43-44 on TB3, but the generator it not responding to the signals. In the software i am unable to find something that has to do with voltage or speed trim/bias.

Any kind of help would be highly appreciated.
Thanks in advance