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  1. PLCs, VFDs, Motors and Controls
    Hello I have a powerflex 400 of 25HP for a 60amp 25HP motor, the motor have a belt that move the clarifier of milk. It is a process that requires strength to move. So I try with the motor without the clarifier the vdf works well with a constant amp of 12 to the max of 50hz that is set up with a...
  2. PLCs, VFDs, Motors and Controls
    I replaced an ABB drive under warranty with a new ABB drive, (ACH550-UH-03A3-4), I did not perform the original startup. I can not gain access to the motor name plate data, but here is what was given to me. 460V/1.7A/1170RPM/60Hz/3ø. The problem is that when the drive is outputting 60Hz...
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