Rockwell Automation Publication 750-PM001N-EN-P - February 2017 53
Drive Port 0 Parameters Chapter 3
MOTOR CONTROL
Mtr Ctrl Options
42 Bus Utilization
Bus Utilization
The maximum allowed bus voltage utilization for the Motor Control.
Do not change this value without consulting Technical Support. Higher values may
result in control instability or over-current faults.
Units:
Default:
Min/Max:
%
95.00
85.00 / 100.00
RW Real
43 Flux Up Enable
Flux Up Enable
Manual (0) – Flux is established for P44 [Flux Up Time] before initial acceleration.
Automatic (1) – Flux is established for a calculated time period based on motor
nameplate data before acceleration. P44 [Flux Up Time] is not used.
Default:
Options:
1 – Automatic
0 – Manual
1 – Automatic
RW 32-bit
Integer
44 Flux Up Time
Flux Up Time
The amount of time the drive will use to try to achieve full motor stator flux. When a
Start command is issued, DC current at P26 [Motor NP Amps] level is used to build stator
flux before accelerating. This parameter cannot be changed unless P43 [Flux Up Enable]
is set to 0 “Manual.”
Units:
Default:
Min/Max:
Secs
0.0000
0.0000 / 5.0000
RW Real
45 Flux Down Ki
Flux Down Ki
The integral term used in the voltage regulator which controls the removal of flux in the
motor.
Refer to the PowerFlex 750-Series AC Drives Installation Instructions, publication
750-IN001, for jumper locations and positions.
Default:
Min/Max:
0.20
0.00 / 100.00
RW Real
46 Flux Down Kp
Flux Down Kp
The proportional term used in the voltage regulator which controls the removal of flux in
the motor.
Default:
Min/Max:
150.0
0.0 / 10000.0
RW Real
47 Econ At Ref Ki
Economize At Reference Ki
Integral gain that determines the response of the output voltage when P35 [Motor Ctrl
Mode] option 2 “Induct Econ” is selected and the output frequency is at its reference.
Default:
Min/Max:
305.0
0.0 / 100000.0
RW Real
48 Econ AccDec Ki
Economize Acceleration/Deceleration Ki
Integral gain that determines the response of the output voltage when P35 [Motor Ctrl
Mode] option 2 “Induct Econ” is selected and the output frequency is either accelerating
or decelerating to a reference.
Default:
Min/Max:
200.0
0.0 / 100000.0
RW Real
49 Econ AccDec Kp
Economize Acceleration/Deceleration Kp
Proportional gain that determines the response of the output voltage when P35 [Motor
Ctrl Mode] option 2 “Induct Econ” is selected and the output frequency is either
accelerating or decelerating to a reference.
Units:
Default:
Min/Max:
V/A
100.0
0.0 / 1000000.0
RW Real
50 Stability Filter
Stability Filter
The filter time constant for the angle and voltage stability control.
Units:
Default:
Min/Max:
Secs
5162.22
0.00 / 1000000.00
RW Real
51 Stab Volt Gain
Stability Voltage Gain
The gain of the voltage stability control function. Not active when any FV motor control
mode is selected with speed feedback.
Default:
Min/Max:
5322.22
0.00 / 10000000.00
RW Real
52 Stab Angle Gain
Stability Angle Gain
The gain of the electrical angle stability control function. Not active when any FV motor
control mode is selected in P35 [Motor Ctrl Mode] with speed feedback.
Default:
Min/Max:
790.43
0.00 / 10000000.00
RW Real
File
Group
No. Display Name
Full Name
Description
Values
Read-Write
Data Type
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