No. Name Description Range Def.
Mode
Addr.
Hex
Pg.
V/f
C4: Torque Compensation
Use C4 parameters to configure Torque Compensation function.
C4-01
<22>
Torque
Compensation
Gain
Sets the gain for the automatic torque (voltage) boost
function and helps to produce better starting torque.
Increase this setting when using a long
motor cable or
when the motor is significantly smaller than the drive
capacity.
Decrease this setting when motor oscillation occurs.
Set the value so that the current at low speed does not
exceeds the drive rated current.
0.00 to
2.50
1.00 O 215 —
C6: Carrier Frequency
Use C6 parameters to configure the carrier frequency drive settings.
C6-01
Normal/Heavy
Duty Selection
Selects the load rating for the drive.
0: Heavy Duty (HD) for constant torque
applications.
1: Normal Duty (ND) for variable torque applications.
This setting affects the Rated output current and
overload tolerance of the drive.
0, 1 1 S 223 93
C6-02
Carrier
Frequency
Selection
Selects the carrier frequency
1 : 2.0 kHz
2 : 5.0 kHz
3 : 8.0 kHz
4 : 10.0 kHz
5 : 12.5 kHz
6 : 15.0 kHz
7 : Swing PWM
8 to E : No setting possible
F : User defined (determined by C6-03
through C6-05)
1 to F
<57>
S 224 93
C6-03
Carrier
Frequency
Upper Limit
C6-03 and C6-04 set upper and lower limits for the
carrier frequency.
carrier frequency
E1-04
max output
frequency
output frequency
× (C6-05) × K
output
frequency
C6-03
C6-04
The coefficient K depends on C6-03:
C6-03 ≥ 10.0 kHz: K = 3
10.0 kHz > C6-03 ≥ 5.0 kHz: K = 2
5.0 kHz > C6-03: K = 1
When C6-05 ≤ 6, C6-04 is disabled (makes the carrier
frequency C6-03 value).
1.0 to
15.0
<8>
O 225 —
C6-04
Carrier
Frequency
Lower Limit
1.0 to
15.0
<8>
O 226 —
C6-05
Carrier
Frequency
Proportional
Gain
Sets the relationship of output frequency to carrier
frequency when C6-02 = F.
00 to 99
<8>
O 227 —
<8> Default setting value is dependent on parameter C6-02, Carrier Frequency Selection.
<22> Parameter can be changed during run.
<57> Default setting value is dependent
on parameter o2-04, Drive Model Selection and C6-01, Drive Duty Selection.
B.2 Parameter Table
202
YASKAWA ELECTRIC TOEP C710606 25B YASKAWA AC Drive J1000 Installation & Start-Up Manual
2/6/2008-14:44
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