Am using an electronic digital display to see the RPM of ABB ACS 550 drive, whic

Am using an electronic digital display to see the RPM of ABB ACS 550 drive, which is showing negative value when the motor & drive in stop mode but it is showing correct value during the run mode. can anyone help me out??

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Am using an electronic digital display to see the RPM of ABB ACS 550 drive, which is showing negativ..

Answer / cae

Thank you Chandra padhi, but cud u please tell me how to do that in briefly. Am very thankful to u if u help me

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Am using an electronic digital display to see the RPM of ABB ACS 550 drive, which is showing negativ..

Answer / gobinda chandra padhi

I think Zero adjustment required and check the range of the controller.

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