Parameter Details
12
12.3 C: TUNING
SIEPYEUOQ2A01A AC Drive Q2A Technical Manual 567
■ C1-07 Accel Time 4
No.
(Hex.)
Name Description
Default
(Range)
C1-07
(0206)
RUN
Accel Time 4
Sets the length of time to accelerate from zero to maximum output frequency.
10.0 s
(0.0 - 6000.0 s)
Note:
When C1-10 = 0 [Ac/Dec Units = 0.01s], the setting range is 0.00 to 600.00 s.
■ C1-08 Decel Time 4
No.
(Hex.)
Name Description
Default
(Range)
C1-08
(0207)
RUN
Decel Time 4
Sets the length of time to decelerate from maximum output frequency to zero.
10.0 s
(0.0 - 6000.0 s)
Note:
When C1-10 = 0 [Ac/Dec Units = 0.01s], the setting range is 0.00 to 600.00 s.
■ C1-09 Fast Stop Time
No.
(Hex.)
Name Description
Default
(Range)
C1-09
(0208)
Fast Stop Time
Sets the length of time that the drive will decelerate to zero for a Fast Stop.
10.0 s
(0.0 - 6000.0 s)
Note:
• When C1-10 = 0 [Ac/Dec Units = 0.01s], the setting range is 0.00 to 600.00 s.
• When L2-29 = 1 [KEB Method = Single KEB1 Ride-Thru] 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 Auto-Tuning.
The Fast Stop function will be triggered in the following circumstances.
• The Fast Stop operation will be triggered by the input of the Fast Stop command via the multi-function digital
input terminal.
• The Fast 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 = 34, 35 [MFDI Function Select = Fast Stop (NO), Fast Stop (NC)].
When the Fast Stop command is input, the Fast Stop operation will be triggered at the deceleration time set to C1-
09. The drive cannot be restarted after initiating a Fast Stop operation until deceleration is complete. Complete
deceleration and cycle the Run command to clear the Fast Stop input.
The terminal set for H2-xx = 17 [MFDO Function Select = @Fast Stop] will be ON during 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.
■ C1-10 Ac/Dec Units
No.
(Hex.)
Name Description
Default
(Range)
C1-10
(0209)
Ac/Dec Units
Sets the setting units for C1-01 to C1-08 [Accel/Decel Times 1 to 4], C1-09 [Fast Stop Time], L2-
06 [KEB Decel Time], and L2-07 [KEB Accel Time].
1
(0, 1)
0 : 0.01s
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
• L2-06
• L2-07
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.
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