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Why the ATV312 has output voltage below 400V but my line voltage is 460V?

Published date: 21 November 2019

Issue:
Why the ATV312 only has 400V at the output terminals with 460V line supply power?

Product Line:
ATV312

Environment:
All models, all serial numbers.

Cause:
Customer measured only 400V at the output terminals.

Resolution:
This can be caused by incorrect motor parameters have been entered in the motor control menu or drc menu. 

bFr Standard Motor Frequency
unS Rated Motor Voltage
FrS Rated Motor Frequency
nCr Rated Motor Current
nsP Rated Motor Speed


 


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