Rockwell-automation 21G PowerFlex 750-Series AC Drives Programming Man Uživatelský manuál stáhnout pdf (Strana 458)

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458 Rockwell Automation Publication 750-PM001J-EN-P - October 2014

Appendix B Application Notes

Rotate Tune

During a Rotate Tune routine, the motor runs for 20 seconds in the commanded

direction. The Rotate Tune routine must be executed in a no load or lightly

loaded condition such as the motor connected to a gearbox, cable drum, or cable

and hook.

If the motor is connected to a load, determine whether there is enough travel

distance for the Rotate Tune sequence to complete. If necessary, run the crane

hook to top or bottom for more travel distance in the opposite direction.

If the Rotate Tune routine fails due to motor loading, rerun the Static Tune

routine and skip this routine.

1. Enter Rotate Tune parameter settings.

2. Press the Start button on the Control Bar.

When the Rotate Tune routine is complete, P70 [Autotune] changes to 0

“Ready.”

Check tuning results in P73 [IR Voltage Drop], P74 Ixo Voltage Drop],

and P75 [Flux Current Ref ].

IMPORTANT

Ensure that the Rotate Tune routine can be stopped if an end travel condition is

likely to occur.

Drive Parameter Setting

P70 [Autotune] 3 “Rotate Tune”

P520 [Max Fwd Speed] Forward speed limit that is used during Autotune.

70% P27 [Motor NP Hertz] minimum.

P521 [Max Rev Speed] Reverse speed limit that is used during Autotune.

70% P27 [Motor NP Hertz] minimum.

Encoder Module Parameter (Port X) Setting

P10 [RO0 Sel] Port 0, P935 [Drive Status 1], Bit 1 “Active”

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