Rockwell Automation Publication 520-UM001K-EN-E - August 2021 127
Chapter 3 Programming and Parameters
Advanced Program Group (continued)
A516 [PM Initial Sel]
PowerFlex 525 only.
(With FRN 5.xxx and later.)
PM initial angle detect.
Options
0“Align” (Default)
1 “HFI” High Frequency Injection to detect initial angle.
2 “Six Pulse”
A517 [PM DC Inject Cur]
PowerFlex 525 only.
(With FRN 5.xxx and later.)
Maximum DC current in amps applied to the motor in order to reset the rotor position of a PM motor.
Values
Default: 30%
Min/Max: 0/300%
Display: 1%
A518 [PM Align Time]
PowerFlex 525 only.
(With FRN 5.xxx and later.)
Magnetic pole reorientation time.
Values
Default: 0.7 s
Min/Max: 0.0/60.0 s
Display: 0.1 s
A519 [PM HFI NS Cur]
PowerFlex 525 only.
(With FRN 5.xxx and later.)
High Frequency Injection (HFI) North South Current to detect N/S Magnet.
Values
Default: 100%
Min/Max: 0/300%
Display: 1%
A520 [PM Bus Reg Kd]
PowerFlex 525 only.
(With FRN 5.xxx and later.)
Derivative gain for bus regulator.
Values
Default: 2
Min/Max: 0/500
Display: 1
A521 [Freq 1 Kp] Related Parameter(s): A509, A510
A523 [Freq 2 Kp]
A525 [Freq 3 Kp]
PowerFlex 525 only.
Sets P-gain of “Vector” control mode when in frequency region 1, 2 or 3 for faster speed response during dynamic-state where motor is still accelerating. If A509 [Speed
Reg Sel] is set to 1 “Manual”, these parameters can be changed.
Values
Default: 100.0%
Min/Max: 0.0/500.0%
Display: 0.1%
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