12.3 C: Tuning
290 YASKAWA SIEPYEULA5001C LA500 Technical Manual
■ C1-07: Acceleration Ramp 4
No.
(Hex.)
Name Description
Default
(Range)
C1-07
(0206)
RUN
Acceleration Ramp 4
Sets the ramp to accelerate from zero to maximum output speed.
1.50 s
(0.00 - 600.00 s)
■ C1-08: Deceleration Ramp 4
No.
(Hex.)
Name Description
Default
(Range)
C1-08
(0207)
RUN
Deceleration Ramp 4
Sets the ramp to decelerate from maximum output speed to zero.
1.50 s
(0.00 - 600.00 s)
■ C1-09: Fast Stop Ramp
No.
(Hex.)
Name Description
Default
(Range)
C1-09
(0208)
RUN
Fast Stop Ramp
Sets the ramp that the drive will decelerate to zero for Emergency Stop.
1.50 s
(0.00 - 600.00 s)
The Emergency Stop function will be triggered in the following circumstances.
• The Emergency Stop operation will be triggered by the input of the Emergency Stop command via the multi-
function digital input terminal.
• The Emergency Stop operation is will be triggered when by the input of the Fast Stop command is input via the
multi-function digital input terminal.
Set H1-xx = 15, 17 [MFDI Function Select = Fast Stop (N.O.), Fast Stop (N.C.)].
When the Emergency Stop command is input, the Emergency Stop operation will be triggered at the deceleration
time set to C1-09. The drive cannot be restarted after initiating a Emergency Stop operation until deceleration is
complete. Complete deceleration and cycle the Run command to clear the Emergency Stop input.
The terminal set for H2-xx = 4C [MFDO Function Select = During Fast Stop] will be ON during Emergency
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
Emergency Stop time in C1-09 that prevents motor coasting and makes sure that the motor stops quickly and safely.
■ C1-10: Accel/Decel Time Setting Units
No.
(Hex.)
Name Description
Default
(Range)
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, 1)
0 : 0.01 s (0.00 to 600.00 s)
Sets acceleration and deceleration times in 0.01 s units. The setting range is 0.0 to 6000.0 s.
If one of these parameters is set to 1000.0 s or longer, you cannot set C1-10 = 0:
• C1-01 to C1-09, and C1-15
When one of those parameters is set to a value between 600.1 s and 1000.0 s, you can set C1-10 = 0, but the time
will change to 600.00 s.
1 : 0.1 s (0.0 to 6000.0 s)
Sets acceleration and deceleration times in 0.1 s units. The setting range is 0.0 to 6000.0 s.
■ C1-11: Accel/Decel Switching Speed
No.
(Hex.)
Name Description
Default
(Range)
C1-11
(020A)
Accel/Decel Switching
Speed
Sets the speed at which the drive will automatically change acceleration and deceleration times.
0.0%
(0.0 - 100.0%)
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