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What would cause the ATV61 or ATV71 drive to trip on an SOF overspeed fault?
Issue:
SOF overspeed on the ATV61 or ATV71 drives
Product Line:
Altivar ATV61, ATV71
Environment:
All
Cause:
This fault appears when an overspeed is present on the drive. Unstable or too large and overhauling load.
Resolution:
The threshold is 110% of the TFR parameter and during 250 ms in open or closed loop mode.
Check the motor parameters and the speed feedback loop if it applies.
Adding a braking resistor.
Check the size of the motor, drive and or load.
Released for:Schneider Electric Vietnam
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