YASKAWA CIMR-JB Series User Manual

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Switching Accel/Decel Times with Digital Input Terminals
Two acceleration / deceleration times can be
selected using one of the digital input terminals
S1 through S5.
Program one of the parameters H1-01 through H1-05 to “07” (Accel/Decel Time). Opening
or closing the digital input changes the accel/decel times as shown below:
Accel/Decel Time
H1-oo = 7
Acceleration Time Deceleration Time
Open (not selected) C1-01 C1-02
Closed C1-03 C1-04
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Using S-Curve Characteristics during Acceleration/Deceleration
Use S-curve characteristics to smooth acceleration and deceleration and to minimize abrupt
shock to the load.
Note: Setting S-curve characteristics will lengthen accel/decel times as follows:
Accel Time = Selected Accel Time + (C2-01 + C2-02)/2
Decel Time = Selected Decel Time + (C2-03 + C2-04)/2
Setting Example
Figure 4.13 illustrates S-curve characteristics switching between forward and reverse.
C2-02
C2-01
C2-03
C2-04
C2-02
C2-01
C2-03
C2-04
Forward Run
Command
Reverse Run
Command
Output
Frequency
Figure 4.13 S-Curve Characteristics
4.5 Basic Operation
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YASKAWA ELECTRIC TOEP C710606 25D YASKAWA AC Drive J1000 Installation & Start-Up Manual

YASKAWA CIMR-JB Series Specifications

General

Brand	YASKAWA
Model	CIMR-JB Series
Category	Controller
Language	English