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What can cause an ASF or angle error on the ATV630 and ATV930 Process drives?

Published date: 23 June 2020

Posible cause for an ASF or angle error on the ATV630/930 drives.

Product Line:
ATV630 and ATV930 Process drives


For synchronous motors , the wrong speed loop setting when the reference goes to zero.

Verify the speed loop parameters
Verify the motor phases and the maximum current allowed by the drive. 

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