11.6 C: Tuning
554 YASKAWA SIEPC71061737D GA800 Drive Technical Reference
11.6 C: Tuning
◆ C1: Accel & Decel Time
No.
(Hex.)
Name Description
Default
(Range)
Ref.
C1-01
(0200)
RUN
Acceleration Time 1
Sets the length of time to accelerate from zero to maximum output frequency.
10.0 s
(0.0 - 6000.0 s)
771
C1-02
(0201)
RUN
Deceleration Time 1
Sets the length of time to decelerate from maximum output frequency to zero.
10.0 s
(0.0 - 6000.0 s)
771
C1-03
(0202)
RUN
Acceleration Time 2
Sets the length of time to accelerate from zero to maximum output frequency.
10.0 s
(0.0 - 6000.0 s)
771
C1-04
(0203)
RUN
Deceleration Time 2
Sets the length of time to decelerate from maximum output frequency to zero.
10.0 s
(0.0 - 6000.0 s)
771
C1-05
(0204)
RUN
Acceleration Time 3
Sets the length of time to accelerate from zero to maximum output frequency.
10.0 s
(0.0 - 6000.0 s)
771
C1-06
(0205)
RUN
Deceleration Time 3
Sets the length of time to decelerate from maximum output frequency to zero.
10.0 s
(0.0 - 6000.0 s)
771
C1-07
(0206)
RUN
Acceleration Time 4
Sets the length of time to accelerate from zero to maximum output frequency.
10.0 s
(0.0 - 6000.0 s)
772
C1-08
(0207)
RUN
Deceleration Time 4
Sets the length of time to decelerate from maximum output frequency to zero.
10.0 s
(0.0 - 6000.0 s)
772
C1-09
(0208)
RUN
Fast Stop Time
Sets the length of time that the drive will decelerate to zero for a Fast Stop.
Note:
• Decelerating too quickly can cause an ov [Overvoltage] fault that shuts off the drive
while the motor to coasts to a stop. Set a Fast Stop time in C1-09 that prevents motor
coasting and makes sure that the motor stops quickly and safely.
• When L2-29 = 0 [Kinetic Energy Backup Method = Single Drive KEB Ride-Thru 1]
and you do KEB Auto-Tuning, the drive will automatically set C1-09. If you must
not change the Fast Stop time, do not do KEB Tuning.
10.0 s
(0.0 - 6000.0 s)
772
C1-10
(0209)
Accel/Decel Time Setting
Units
Sets the setting units for C1-01 to C1-08 [Accel/Decel Times 1 to 4], C1-09 [Fast Stop
Time], L2-06 [Kinetic Energy Backup Decel Time], and L2-07 [Kinetic Energy Backup
Accel Time].
0 : 0.01 s (0.00 to 600.00 s)
1 : 0.1 s (0.0 to 6000.0 s)
1
(0, 1)
772
C1-11
(020A)
Accel/Decel Time
Switching Frequency
Sets the frequency at which the drive will automatically change acceleration and
deceleration times.
Determined by A1-02
(0.0 - 590.0 Hz)
773
C1-14
(0264)
RUN
Accel/Decel Rate
Frequency
Sets the base frequency used to calculate acceleration and deceleration rates.
0.0 Hz
(0.0 - 590.0 Hz)
773
◆ 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)
775
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)
775
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