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Is there a way to determine the DC bus voltage from the display?

Published date: 20 May 2020

Issue:
How do you calculate the DC bus voltage using the "Mains Voltage" (ULn) displayed in the Monitor menu
 
Product Line:
ATV61, ATV71, ATV312, ATV12, ATV32
 
Environment:
All models and serial numbers
 
Cause:
None
 
Resolution:
The drive does a calculation using the DC bus voltage to determine the mains voltage (line supply).  The drive measures the DC Bus internally and multiplies it times 1.414 (square root of 2) and then displays it as the Mains Voltage (ULn) In the monitor menu.

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