No. Name Description Range Def. Mode
Addr.
Hex
Pg.
C2-01
S-Curve
Characteristic
at Accel Start
The S-curve can be controlled in the four points
shown below.
Run
command
Output
frequency
Time
C2-01
C2-04
C2-02
C2-03
ON
OFF
S-curve is used to further soften the starting and
stopping ramp. The longer the S-curve time, the
softer the starting and stopping ramp.
0.00 to
10.00
0.20
s
O 20B –
C2-02
S-Curve
Characteristic
at Accel End
0.00 to
10.00
0.20
s
O 20C –
C2-03
S-Curve
Characteristic
at Decel Start
0.00 to
10.00
0.20
s
O 20D –
C2-04
S-Curve
Characteristic
at Decel End
0.00 to
10.00
0.00
s
O 20E –
C3: Slip Compensation
Use C3 parameters to configure the slip compensation function.
C3-01
<1>
Slip
Compensation
Gain
Sets the slip compensation gain. Decides for what
amount the output frequency is boosted in order to
compensate the slip.
Note: Adjustment is not normally required.
0.0 to
2.5
0.0 O 20F –
C3-02
Slip
Compensation
Primary Delay
Time
Adjusts the slip compensation function delay time.
Decrease the setting when the slip compensation
response is too slow, increase it when the speed is
not stable.
0 to
10000
2000
ms
O 210 –
C4: Torque Compensation
Use C4 parameters to configure Torque Compensation function.
C4-01
<1>
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
Drive 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 223 101
B.2 Parameter Table
226
YASKAWA ELECTRIC TOEP C710606 25D YASKAWA AC Drive J1000 Installation & Start-Up Manual
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