Rockwell Automation Allen-Bradley PowerFlex 520 Series, User Manual, Page: 140 / 272

140 Rockwell Automation Publication 520-UM001K-EN-E - August 2021
Chapter 3 Programming and Parameters
Advanced Program Group (continued)
A585 [PM Stable Brk Pt]
PowerFlex 525 only.
(With FRN 5.xxx and later.)
Percentage of rated power P037 [Motor NP Power] for the gain of ( A584 [PM Stable 2 Kp] x A583 [PM Stable 1 Kp]).
Values
Default: 40%
Min/Max: 0/100%
Display: 1%
PF 525
A586 [PM Stepload Kp]
PowerFlex 525 only.
(With FRN 5.xxx and later.)
The gain to ensure robustness under step load in low speed region.
Values
Default: 0%
Min/Max: 0/1000%
Display: 1%
PF 525
A587 [PM 1 Efficiency]
PowerFlex 525 only.
(With FRN 5.xxx and later.)
Reduce full load current.
Values
Default: 120%
Min/Max: 0/2000%
Display: 1%
PF 525
A588 [PM 2 Efficiency]
PowerFlex 525 only.
(With FRN 5.xxx and later.)
Reduce no load current.
Values
Default: 500%
Min/Max: 0/2000%
Display: 1%
PF 525
A589 [PM Algor Sel] Related Parameter(s): A550
Stop drive before changing this parameter.
PowerFlex 525 only.
(With FRN 5.xxx and later.)
Selects the algorithm to use with your motor. Check with the manufacturer of your motor to determine whether it is an iPM or sPM motor.
Options
0 “Algorithm 1” (Default) Suggested for most motors.
1 “Algorithm 2” Enable an embedded algorithm to reduce oscillation in output waveform (use with sPM motor only, do not enable for iPM
motor).
PF 525
A590 [SYNRM SW Freq] Related Parameter(s):
PowerFlex 525 only.
(With FRN 7.xxx and later.)
Switching Frequency point from Low-Speed Observer (Freq1) to High-Speed Observer (Freq2).
Values
Default: 10 Hz
Min/Max: 0/600 Hz
PF 525