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Parker VFD 690+ AC Drive
Trying to run an AC Motor with Parker AC Drive


Have a Parker AC Drive. It was set-up to run in Synchronization with another Parker Drive.

Now the Drive only need to run one motor. I have connected Potentionmeter wiring to the drive and motor wiring, but nothing seems to happen when power turned on. I had to change scaling in the drive settings as the motor would not run full speed when it was turned on.

Do i have to do any other changes in set-up like Master/Salve Encoder stuff?

Any help?

If it was commissioned to operate in synch, then it must be re-commissioned to remove the interconnections between signals inside the drive.