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How to convert a pump's RPM to Hz for a Powerflex 40 drive?
If I know what RPM a viking internal gear pump needs to run at, how do I determine what the Hz is for the Allen Bradley Powerflex 40 drive that is running it?
Look at the motor nameplate Hz and RPM. Needed Hz = Nameplate Hz x Needed RPM / Nameplate RPM.
If you know the speed of the pump for operation across the line, use Needed Hz = Line Hz x Needed RPM / Line Hz Speed.
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