YASKAWA LA500 - C3: Slip Compensation; C4: Torque Compensation; C6: Duty & Carrier Frequency

Parameter List
11
11.5 C: Tuning
YASKAWA SIEPYEULA5001C LA500 Technical Manual 243
◆ C3: Slip Compensation
No.
(Hex.)
Name Description
Default
(Range)
Ref.
C3-01
(020F)
RUN
Expert
Slip Compensation Gain
Sets the gain for the slip compensation function. Usually it is not necessary to change
this setting.
Note:
Correctly set these parameters before changing the slip compensation gain:
• E2-01 [Motor Rated Current (FLA)]
• E2-02 [Motor Rated Slip]
• E2-03 [Motor No-Load Current]
1.0
(0.0 - 2.5)
292
C3-02
(0210)
RUN
Expert
Slip Compensation
Delay Time
Sets the slip compensation delay time when speed is unstable or when the slip
compensation response is too slow. Usually it is not necessary to change this setting.
2000 ms
(0 - 10000 ms)
292
C3-03
(0211)
Expert
Slip Compensation Limit
Sets the upper limit for the slip compensation function as a percentage of the motor
rated slip.
200%
(0 - 250%)
292
C3-04
(0212)
Slip Compensation at
Regen
Sets the slip compensation function during regeneration.
0 : Disabled
1 : Enabled Above 6Hz
2 : Enabled Above Defined Range
0
(0 - 2)
293
C3-05
(0213)
Expert
Output Voltage Limit
Selection
Sets the automatic reduction of motor magnetic flux when the output voltage is
saturated.
0 : Disabled
1 : Enabled
0
(0, 1)
293
◆ 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.
1.00
(0.00 - 2.50)
294
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)
294
C4-03
(0217)
Expert
Torque Compensation @
FWD Start
Set the amount of torque reference for forward start as a percentage of the motor rated
torque.
0.0%
(0.0 - 200.0%)
294
C4-04
(0218)
Expert
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%)
294
C4-05
(0219)
Expert
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)
295
◆ C6: Duty & 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
6 : 15.0 kHz
3
(1 - 6)
295
V/f
OLV
V/f
OLV
V/f
OLV
V/f
OLV
V/f
OLV
V/f
OLV
V/f
OLV
V/f
OLV
V/f
OLV
V/f
OLV
V/f
OLV