Quote:
Originally Posted by Tom Line
We've seen the same behavior from victor sp's in past years. Our best guess is that they can be sensitive to noise on the PWM wire. Are your PWM wires running along side power wires?
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Interesting, with a digital line like PWM, noise shouldn't be a big deal unless it's really, REALLY bad. Hopefully OP comes back with a response soon cause I'm genuinely curious. The only thing that hasn't been mentioned is the faint possibility that both motor controllers are incorrectly calibrated, but it is still feasible.