10.6 C: Tuning
514 YASKAWA ELECTRIC SIEP C710617 05F YASKAWA AC Drive GA700 Technical Manual
◆ C2: S-Curve Characteristics
No.
(Hex.)
Name Description
Default
(Range)
Ref.
C2-01
(020B)
S-Curve Time @
Start of Accel
Sets the S-curve acceleration time at start.
Determined by A1-
02
(0.00 - 10.00 s)
755
C2-02
(020C)
S-Curve Time @
End of Accel
Sets the S-curve acceleration time at completion.
0.20 s
(0.00 - 10.00 s)
755
C2-03
(020D)
S-Curve Time @
Start of Decel
Sets the S-curve deceleration time at start.
0.20 s
(0.00 - 10.00 s)
755
C2-04
(020E)
S-Curve Time @
End of Decel
Sets the S-curve deceleration time at completion.
0.00 s
(0.00 - 10.00 s)
755
◆ C3: Slip Compensation
No.
(Hex.)
Name Description
Default
(Range)
Ref.
C3-01
(020F)
RUN
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] (Set during Auto-Tuning when A1-02
= 2 [Control Method Selection = Open Loop Vector])
• E2-03 [Motor No-Load Current]
Determined by A1-
02
(0.0 - 2.5)
755
C3-02
(0210)
RUN
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.
Determined by A1-
02
(0 - 10000 ms)
756
C3-03
(0211)
Slip Compensation
Limit
Sets the upper limit for the slip compensation function as a
percentage of the motor rated slip.
200%
(0 - 250%)
756
C3-04
(0212)
Slip Compensation
at Regen
Sets the slip compensation function during regenerative operation.
0 : Disabled
1 : Enabled Above 6Hz
2 : Enabled Above C3-15
0
(0 - 2)
756
C3-05
(0213)
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)
757
C3-16
(0261)
Expert
Vout Modulation
Limit Start Lvl
Sets the modulation factor that starts the output voltage limit
operation when C3-05 = 1 [Output Voltage Limit Selection =
Enabled].
90.0%
(70.0 - 90.0%)
757
C3-17
(0262)
Expert
Vout Modulation
Limit Max Level
Sets the modulation factor used with C3-18 [Output Voltage Limit
Level] for the output voltage limit operation when C3-05 = 1
[Output Voltage Limit Selection = Enabled].
100.0%
(85.0 - 100.0%)
757
C3-18
(0263)
Expert
Output Voltage
Limit Level
Sets the maximum drop width of the voltage reference when C3-05
= 1 [Output Voltage Limit Selection = Enabled].
90.0%
(50.0 - 100.0%)
758
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