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

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
All models and serial numbers
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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