4.4 Basic Parameter Adjustments
YASKAWA TM.V1000.01 V1000 Drive Installation & Start-Up Manual (Preliminary 01-19-07) 141
Start-Up Programming &
Operation
4
◆ Acceleration/Deceleration C1-01 to C1-11
C1-01 (Acceleration Time 1) sets the time to accelerate from 0 to the maximum
output frequency (E1-04). C1-02 (Deceleration Time 1) sets the time to decelerate
from maximum output frequency to 0. C1-01 and C1-02 are the default active
accel/decel settings.
WARNING! Sudden Movement Hazard. Rapid deceleration may cause the drive to fault on an
overvoltage condition, resulting in death or serious injury due to an uncontrolled motor state.
Set an acceptable deceleration time in parameter C1-09 when using the Fast-stop feature.
■
Accel/Decel Time Setting Units
Set the units for the acceleration and deceleration times using parameter C1-10
(default = 1).
■ Switching Accel/Decel Times with Digital Input Terminals
Up to four different acceleration / deceleration times can be selected using any two
digital input terminals S1 through S7.
No. Parameter Name Description
Setting
Range
Default Page
C1-01
<1>
<1> The parameter can be changed during run.
Acceleration Time 1
Sets the time to accelerate from 0 to
maximum frequency.
0.0 to
6000.0
<2>
<2> The setting range for the acceleration and deceleration times is determined by C1-10 (Accel/Decel
Time Setting Units). For example, if the time is set in units of 0.01 s (C1-10 = 0), the setting range
becomes 0.00 to 600.00 s
10.0 s
344
C1-02
<1>
Deceleration Time 1
Sets the time to decelerate from maximum
frequency to 0.
344
C1-10
Accel/Decel Time
Setting Units
Sets the setting resolution of C1-01 to
C1-09.
0: 0.01 s (0.00 to 600.00 s)
1: 0.1 s (0.0 to 6000.0 s)
0, 1 1 345
Setting Description
0 Time is set in units of 0.01 s, making the setting range 0.00 to 600.00 seconds.
1 Time is set in units of 0.1 s, making the setting range 0.0 to 6000.0 seconds.
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