10.6 C: Tuning
518 YASKAWA ELECTRIC SIEP C710617 05F YASKAWA AC Drive GA700 Technical Manual
◆ C6: Duty & Carrier Frequency
No.
(Hex.)
Name Description
Default
(Range)
Ref.
C6-01
(0223)
Normal / Heavy
Duty Selection
Sets the drive duty rating.
0 : Heavy Duty Rating
1 : Normal Duty Rating
0
(0, 1)
771
C6-02
(0224)
Carrier Frequency
Selection
Sets the carrier frequency for the transistors in the drive.
1 : 2.0 kHz
2 : 5.0 kHz (4.0 kHz for AOLV/PM)
3 : 8.0 kHz (6.0 kHz for AOLV/PM)
4 : 10.0 kHz (8.0 kHz for AOLV/PM)
5 : 12.5 kHz (10.0 kHz for AOLV/PM)
6 : 15.0 kHz (12.0 kHz AOLV/PM)
7 : Swing PWM1 (Audible Sound 1)
8 : Swing PWM2 (Audible Sound 2)
9 : Swing PWM3 (Audible Sound 3)
A : Swing PWM4 (Audible Sound 4)
F : User Defined (C6-03 to C6-05)
Note:
The carrier frequency for Swing PWM 1 to 4 is equivalent to 2.0
kHz.
Determined by A1-
02, C6-01, and o2-
04
(Determined by
A1-02)
772
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 - 15.0 kHz)
773
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 - 15.0 kHz)
773
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)
774
C6-09
(022B)
Carrier Freq at
Rotational Tune
Sets the Auto-Tuning carrier frequency. Usually it is not necessary
to change this setting.
0 : 5kHz
1 : use C6-03
0
(0, 1)
774
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