Adjusting Speed Control Parameters - Allen-Bradley PowerFlex 525 User Manual

Appendix I Control Diagrams
Adjusting Speed Control
Parameters
222
These settings show how to adjust the speed control for motor tuning.
Increase the bandwidth to obtain
faster speed response. If oscillation
occurs, decrease the bandwidth.
For general use, set A509
[Speed Reg Sel] to 0 (Automatic)
Rockwell Automation Publication 520-UM001A-EN-E - February 2013
Speed Loop Bandwidth:
A511 [Freq 1 BW] = 10 Hz
A513 [Freq 2 BW] = 10 Hz
A515 [Freq 3 BW] = 10 Hz
Set A509
A509 = 1 (Manual)
[Speed Reg Sel]
A509 = 0 (Automatic)
Set Speed Controller Gain
automatically
Run
For [Freq x Kp], gradually increase by 1%
For [Freq x Ki], gradually increase by 0.1 s
Set Speed Controller Gain
manually:
A521 [Freq 1 Kp]
A522 [Freq 1 Ki]
A523 [Freq 2 Kp]
A524 [Freq 2 Ki]
A525 [Freq 3 Kp]
A526 [Freq 3 Ki]