11.4 C: TUNING
408 SIEPYEUOQ2A01A AC Drive Q2A Technical Manual
◆ C4: TORQUE COMPENSATION
No.
(Hex.)
Name Description
Default
(Range)
Ref.
C4-01
(0215)
RUN
Trq Comp Gain
Sets the gain for the torque compensation function. Use this parameter value for motor
1 when operating multiple motors.
Determined by A1-02
(0.00 - 2.50)
574
C4-02
(0216)
RUN
Trq Comp Delay Time
Sets the torque compensation delay time. Usually it is not necessary to change this
setting.
Determined by A1-02
(0 - 60000 ms)
574
C4-03
(0217)
Trq Comp@FWD Start
Sets the amount of torque reference for forward start as a percentage of the motor rated
torque.
0.0%
(0.0 - 200.0%)
574
C4-04
(0218)
Trq Comp@REV Start
Sets the amount of torque reference for reverse start as a percentage of the motor rated
torque.
0.0%
(-200.0 - 0.0%)
575
C4-05
(0219)
Trq Comp Time
Sets the starting torque constant to use with C4-03 and C4-04 [Trq Comp@FWD Start
and Trq Comp@REV Start].
10 ms
(0 - 200 ms)
575
C4-06
(021A)
M2 Trq Comp Delay
Time
Sets the value if ov [Overvoltage] occurs with sudden changes in the load, at the end of
acceleration, or at the start of deceleration.
150 ms
(0 - 10000 ms)
575
C4-07
(0341)
RUN
M2 Trq Comp Gain
Sets the gain for motor 2 torque compensation function when using the Motor Switch
function.
1.00
(0.00 - 2.50)
575
C4-19
(0B8D)
Expert
Torque Ripple Suppress
Min Freq
Sets a frequency to limit current and torque ripple. Increase this parameter in 1.0 Hz
increments when current ripples and torque ripples occur during low-speed operation.
Set this parameter to 0.0 to disable the function if increasing the value does not fix the
problem. Usually it is not necessary to change this setting.
0.1 Hz
(0.0 - 10.0 Hz)
575
C4-20
(0BCB)
Expert
Vcomp Adjust 1
Sets voltage precision compensation. Usually it is not necessary to change this setting.
120
(0 - 200)
576
C4-21
(0BCC)
Expert
Vcomp Adjust 2
Sets voltage precision compensation. Usually it is not necessary to change this setting.
5
(0 - 10)
576
◆ C5: ASR - SPEED REGULATION
No.
(Hex.)
Name Description
Default
(Range)
Ref.
C5-01
(021B)
RUN
ASR PGain 1
Sets the gain to adjust ASR response.
Determined by A1-02
(0.00 - 300.00)
579
C5-02
(021C)
RUN
ASR ITime 1
Sets the ASR integral time.
Determined by A1-02
(0.000 - 60.000 s)
579
C5-03
(021D)
RUN
ASR PGain 2
Sets the gain to adjust ASR response.
Determined by A1-02
(0.00 - 300.00)
580
C5-04
(021E)
RUN
ASR ITime 2
Sets the ASR integral time.
Determined by A1-02
(0.000 - 60.000 s)
580
C5-05
(021F)
ASR Limit
Sets the ASR output limit as a percentage of E1-04 [Max Output Frequency].
5.0%
(0.0 - 20.0%)
580
C5-06
(0220)
ASR Delay Time
Sets the filter time constant for the time from the speed loop to the torque command
output. Usually it is not necessary to change this setting.
Determined by A1-02
(0.000 - 0.500 s)
580
C5-07
(0221)
ASR Gain Switch
Frequency
Sets the frequency where the drive will switch between these parameters:
C5-01 and C5-03 [ASR PGain 1 and ASR PGain 2]
C5-02 and C5-04 [ASR ITime 1 and ASR ITime 2]
Determined by A1-02
(Determined by A1-02)
580
C5-08
(0222)
ASR Integral Limit
Sets the upper limit for ASR as a percentage of the rated load.
400%
(0 - 400%)
580
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