9.6 C: Tuning
606 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
◆ 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 you operate multiple motors.
1.00
(0.00 - 2.50)
230
C4-02
(0216)
RUN
Torque Compensation
Delay Time
Sets the torque compensation delay time. Usually it is not necessary to change this setting. 200 ms
(0 - 60000 ms)
230
◆ C6: Carrier Frequency
No.
(Hex.)
Name Description
Default
(Range)
Ref.
C6-02
(0224)
Carrier Frequency
Selection
Sets the carrier frequency for the transistors in the drive.
1 : 2.0 kHz
2 : 5.0 kHz
3 : 8.0 kHz
4 : 10.0 kHz
5 : 12.5 kHz
7 : Swing PWM1 (Audible Sound 1)
8 : Swing PWM2 (Audible Sound 2)
9 : Swing PWM3 (Audible Sound 3)
A : Swing PWM4 (Audible Sound 4)
B : Leakage Current Rejection PWM
F : User Defined (C6-03 to C6-05)
Note:
• The carrier frequency for Swing PWM 1 to 4 is equivalent to 2.0 kHz. Swing PWM
applies a special PWM pattern to decrease the audible noise.
• Setting B uses a PWM pattern that decreases the leakage current that the drive detects
over long wiring distances. This can help decrease alarm detection and decrease
problems with the current monitor from leakage current over long wiring distances.
Determined by o2-04
(1 - F)
231
C6-03
(0225)
Carrier Frequency Upper
Limit
Sets the upper limit of the carrier frequency. Set C6-02 = F [Carrier Frequency Selection
= User Defined (C6-03 to C6-05)] to set this parameter.
Determined by C6-02
(1.0 - 12.5 kHz)
232
C6-04
(0226)
Carrier Frequency Lower
Limit
Sets the lower limit of the carrier frequency. Set C6-02 = F [Carrier Frequency Selection
= User Defined (C6-03 to C6-05)] to set this parameter.
Determined by C6-02
(1.0 - 12.5 kHz)
232
C6-05
(0227)
Carrier Freq Proportional
Gain
Sets the proportional gain for the carrier frequency. Set C6-02 = F [Carrier Frequency
Selection = User Defined (C6-03 to C6-05)] to set this parameter.
Determined by C6-02
(0 - 99)
232
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