Parameter List
10
10.6 C: Tuning
YASKAWA ELECTRIC SIEP C710617 05F YASKAWA AC Drive GA700 Technical Manual 515
No.
(Hex.)
Name Description
Default
(Range)
Ref.
C3-21
(033E)
RUN
Motor 2 Slip
Compensation
Gain
Sets the gain for the motor 2 slip compensation function. Usually it
is not necessary to change this setting.
Note:
Correctly set these parameters before changing the slip
compensation gain:
• E4-01 [Motor 2 Rated Current]
• E4-02 [Motor 2 Rated Slip] (Set during Auto-Tuning when E3-
01 = 2 [Motor 2 Control Mode Selection = Open Loop Vector])
• E4-03 [Motor 2 Rated No-Load Current]
Determined by E3-
01
(0.0 - 2.5)
758
C3-22
(0241)
RUN
Motor 2 Slip Comp
Delay Time
Sets the slip compensation delay time for motor 2 when speed is
unstable or when the slip compensation response is too slow.
Usually it is not necessary to change this setting.
Determined by E3-
01
(0 - 10000 ms)
758
C3-23
(0242)
Motor 2 Slip
Compensation
Limit
Sets the upper limit for the slip compensation function as a
percentage of the motor 2 rated slip.
200%
(0 - 250%)
758
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 C3-15
0
(0 - 2)
759
C3-28
(1B5B)
Expert
Adaptive Slip
Control Mode
Sets the slip compensation function mode.
0 : Normal
1 : Advanced
0
(0, 1)
759
◆ 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.
Determined by A1-
02
(0.00 - 2.50)
760
C4-02
(0216)
RUN
Torque
Compensation
Delay Time
Sets the torque compensation delay time. Usually it is not necessary
to change this setting.
Determined by A1-
02
(0 - 60000 ms)
760
C4-03
(0217)
Torque
Compensation @
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%)
760
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%)
760
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)
760
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)
761
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)
761
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)
761
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