118 Rockwell Automation Publication 520-UM001G-EN-E - September 2014
Chapter 3 Programming and Parameters
Advanced Program Group (continued)
A495 [Drive OL Mode]
Determines how the drive handles overload conditions that would otherwise cause the drive to fault.
Options 0“Disabled”
1“Reduce CLim”
2 “Reduce PWM”
3 “Both-PWM 1st” (Default)
A496 [IR Voltage Drop] Related Parameter(s): P040
Value of volts dropped across the resistance of the motor stator (autotune) for induction motor.
Values Default: Based on Drive Rating
Min/Max: 0.0/600.0VAC
Display: 0.1VAC
A497 [Flux Current Ref] Related Parameter(s): P040
This is the current necessary for full motor flux. The value should be set to the full speed no-load current of the motor.
Values Default: Based on Drive Rating
Min/Max: 0.00/(Drive Rated Amps x 1.4)
Display: 0.01 A
A498 [Motor Rr]
PowerFlex 525 only.
Rotor resistance of induction motor.
Values Default: Based on Drive Rating
Min/Max: 0.00/655.35 ohm
Display: 0.01 ohm
A499 [Motor Lm]
PowerFlex 525 only.
Mutual Inductance of induction motor.
Values Default: Based on Drive Rating
Min/Max: 0.0/6553.5 mH
Display: 0.1 mH
A500 [Motor Lx]
PowerFlex 525 only.
Leakage Inductance of induction motor.
Values Default: Based on Drive Rating
Min/Max: 0.0/6553.5 mH
Display: 0.1 mH
A509 [Speed Reg Sel] Related Parameter(s): A521, A522, A523, A524, A525, A526
PowerFlex 525 only.
Determines if PI gain of the “Vector” control mode speed regulator is set automatically or manually. Parameters A521...A526 are set automatically by this parameter.
Options 0 “Automatic” (Default)
1“Manual”
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