11.6 C: Tuning
556 YASKAWA SIEPC71061737D GA800 Drive Technical Reference
No.
(Hex.)
Name Description
Default
(Range)
Ref.
C3-24
(0243)
Motor 2 Slip Comp
during Regen
Sets the slip compensation during regenerative operation function for motor 2.
0 : Disabled
1 : Enabled Above 6Hz
2 : Enabled Above Defined Range
0
(0 - 2)
779
C3-28
(1B5B)
Expert
Adaptive Slip Control
Mode
Sets the slip compensation function mode.
0 : Normal
1 : Advanced
0
(0, 1)
779
◆ C4: Torque Compensation
No.
(Hex.)
Name Description
Default
(Range)
Ref.
C4-01
(0215)
RUN
Torque Compensation
Gain
Sets the gain for the torque compensation function. Use this parameter value for motor 1
when operating multiple motors.
Note:
If A1-02 = 8 [Control Method Selection = EZOLV], you cannot change the setting
while the drive is running.
Determined by A1-02
(0.00 - 2.50)
780
C4-02
(0216)
RUN
Torque Compensation
Delay Time
Sets the torque compensation delay time. Usually it is not necessary to change this setting.
Note:
• When A1-02 = 5 [Control Method Selection = OLV/PM], you cannot change the
setting while the drive is running.
• When A1-02 = 8 [EZOLV], you cannot change the setting while the drive is running.
Determined by A1-02
(0 - 60000 ms)
780
C4-03
(0217)
Torque Compensation @
FWD Start
Set the amount of torque reference for forward start as a percentage of the motor rated
torque.
0.0%
(0.0 - 200.0%)
780
C4-04
(0218)
Torque Compensation @
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%)
781
C4-05
(0219)
Torque Compensation
Time
Sets the starting torque constant to use with C4-03 and C4-04 [Torque Compensation @
FWD/REV Start].
10 ms
(0 - 200 ms)
781
C4-06
(021A)
Motor 2 Torque 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)
781
C4-07
(0341)
RUN
Motor 2 Torque
Compensation Gain
Sets the gain for motor 2 torque compensation function when using the Motor Switch
function.
1.00
(0.00 - 2.50)
781
C4-19
(0B8D)
Expert
Torque Ripple Suppress
Min Freq
If there is slow oscillation at low speeds, adjust this setting. Usually it is not necessary to
change this setting.
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.
Note:
Set C4-20 [Voltage Compensation Adjust 1] ≠ 0 to enable this parameter.
0.1 Hz
(0.0 - 10.0 Hz)
781
C4-20
(0BCB)
Expert
Voltage Compensation
Adjust 1
Sets voltage precision compensation. Usually it is not necessary to change this setting.
120 Hz
(0 - 200 Hz)
782
C4-21
(0BCC)
Expert
Voltage Compensation
Adjust 2
Sets voltage precision compensation. Usually it is not necessary to change this setting.
5
(0 - 10)
782
C4-23
(1583)
Expert
Current Control Gain
Sets the Current control gain. Usually it is not necessary to change this parameter.
1.00
(0.50 - 2.50)
782
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