YASKAWA FSDrive-MV1000 Parameter Manual page 128

2.3 C: Tuning
2.3 C: Tuning
C parameters set the characteristics for acceleration, deceleration, and S-curves. Other parameters in the C group cover
settings for slip compensation and torque compensation.
u C1: Acceleration and Deceleration Times
C1-01 to C1-08: Accel, Decel Times 1 to 4
n
Four different sets of acceleration and deceleration times can be set in the drive by contact inputs, motor selection, or
switched automatically.
Acceleration time parameters always set the time to accelerate from 0 Hz to the maximum output frequency (E1-04).
Deceleration time parameters always set the time to decelerate from maximum output frequency to 0 Hz. C1-01 and
C1-02 are the default active accel/decel settings.
No.
C1-01
C1-02
C1-03
C1-04
C1-05
C1-06
C1-07
C1-08
<1> The setting range for the acceleration and deceleration times is determined by the acceleration/deceleration time setting units in C1-10. 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.
Switching Acceleration Times by Contact Input
Accel/decel times 1 are active by default if no input is set. The accel/decel times 2, 3, and 4 can be activated by contact
inputs (H1- and 1A) as explained in
Accel/Decel Time Sel. 1
H1- = 7
0
1
0
1
Figure 2.22 shows an operation example for changing accel/decel. times. The example below requires that the stopping
method be set for "Ramp to stop" (b1-03 = 0).
Figure 2.22
Output
frequency
FWD (REV)
Run command
Accel/Decel Time Selection 1
(Contact Inputs 2 to 16, H1-
Accel/Decel Time Selection 2
(Contact Inputs 2 to 16, H1-
128
Name
Acceleration Time 1
Deceleration Time 1
Acceleration Time 2
Deceleration Time 2
Acceleration Time 3 (Motor 2 Accel Time 1)
Deceleration Time 3 (Motor 2 Decel Time 1)
Acceleration Time 4 (Motor 2 Accel Time 2)
Deceleration Time 4 (Motor 2 Decel Time 2)
Table 2.13.
Table 2.13 Accel/Decel Time Selection by Contact Input
Accel/Decel Time Sel. 2
H1-
0
0
1
1
Decel Time 1
(C1-02)
Accel Time 1
Accel Time 2
(C1-01)
(C1-03)
ON ON
OFF
= "7")
= "1A")
Figure 2.22 Timing Diagram of Accel/Decel Time Change
= 1A
Acceleration
Decel Time 3
Decel Time 2
Accel Time 3
(C1-06)
(C1-04)
(C1-05)
Decel Time 1
(C1-02)
OFF
ON
ON
OFF
YASKAWA ELECTRIC TOEP C710687 03B FSDrive-MV1000 Parameter Guide
Setting Range
0.0 to 6000.0 s
<1>
Active Times
C1-01
C1-03
C1-05
C1-07
Decel Time 4
(C1-08)
Accel Time 4
Decel Time 1
(C1-07)
(C1-02)
Time
ON
ON
ON
Default
60.0 s
120.0 s
60.0 s
120.0 s
60.0 s
120.0 s
60.0 s
120.0 s
Deceleration
C1-02
C1-04
C1-06
C1-08