11.6 C: Tuning
374 YASKAWA SIEPC71061753C GA500 Technical Manual
◆ 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:
When A1-02 = 8 [Control Method Selection = EZOLV], you cannot change this
parameter during drive run.
Determined by A1-02
(0.00 - 2.50)
556
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, 8 [Control Method Selection = OLV/PM，EZOLV], you cannot
change the setting while the drive is running.
Determined by A1-02
(0 - 60000 ms)
556
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%)
556
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%)
557
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)
557
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)
557
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)
557
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)
557
◆ C5: Automatic Speed Regulator (ASR: Automatic Speed Regulator)
No.
(Hex.)
Name Description
Default
(Range)
Ref.
C5-01
(021B)
RUN
ASR Proportional Gain 1
Sets the gain to adjust ASR response.
Note:
When A1-02 = 0 [Control Method Selection = V/f], set H6-01 = 3 [Terminal RP
Pulse Train Function = Speed Feedback (V/F Control)] to enable this parameter.
Determined by A1-02
(0.00 - 300.00)
560
C5-02
(021C)
RUN
ASR Integral Time 1
Sets the ASR integral time.
Note:
When A1-02 = 0 [Control Method Selection = V/f], set H6-01 = 3 [Terminal RP
Pulse Train Function = Speed Feedback (V/F Control)] to enable this parameter.
Determined by A1-02
(0.000 - 60.000 s)
560
C5-03
(021D)
RUN
ASR Proportional Gain 2
Sets the gain to adjust ASR response.
Note:
When A1-02 = 0 [Control Method Selection = V/f], set H6-01 = 3 [Terminal RP
Pulse Train Function = Speed Feedback (V/F Control)] to enable this parameter.
Determined by A1-02
(0.00 - 300.00)
560
C5-04
(021E)
RUN
ASR Integral Time 2
Sets the ASR integral time.
Note:
When A1-02 = 0 [Control Method Selection = V/f], set H6-01 = 3 [Terminal RP
Pulse Train Function = Speed Feedback (V/F Control)] to enable this parameter.
Determined by A1-02
(0.000 - 60.000 s)
560
C5-05
(021F)
ASR Limit
Sets the ASR output limit where E1-04 [Maximum Output Frequency] is 100%.
Note:
When A1-02 = 0 [Control Method Selection = V/f], set H6-01 = 3 [Terminal RP
Pulse Train Function = Speed Feedback (V/F Control)] to enable this parameter.
5.0%
(0.0 - 20.0%)
560
C5-06
(0220)
ASR Delay Time
Sets the filter time constant of the torque reference output from the speed loop. Usually
it is not necessary to change this setting.
Determined by A1-02
(0.000 - 0.500 s)
561
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