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I have a Potentiometer wired to an Altivar Drive and it shows a negative reference?

Published date: 28 September 2018

Issue: 
Potentiometer wired to an Altivar Drive and it shows a negative reference 

Product Line:
Altivar ATV  Process Drive
 
Environment:

ALL
 
Cause:

Wiring
 
Resolution:

 Ensure the Wiper, typically the middle wire is on AI1, if reference is negative try swapping +10 and AI1 wires.  Also insure that if theres a bi-polar input it is either jumped or not programmed as a bi-polar +/-10v input
 

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