Soft-Start Characteristics - Omron VS mini J7 User Manual

Soft-start characteristics (n20)
To prevent shock at machine start/stop, accel/decel can be performed in S-
curve pattern.
Setting
0
S-curve characteristic not provided
1
2
3
Note : S-curve characteristic time is the time from accel/decel rate 0 to a regular accel/decel rate
determined by the set accel/decel time.
FREQUENCY
REFERENCE
OUTPUT
FREQUENCY
The following time chart shows FWD/REV run switching at deceleration to
a stop.
FORWARD RUN COMMAND
REVERSE RUN COMMAND
OUTPUT FREQUENCY
S-curve characteristics in
S-curve characteristic time
0.2 second
0.5 second
1.0 second
S-CURVE CHARACTERISTIC TIME (Tsc)
ACCELERATION
MIN. OUTPUT
FREQUENCY n14
ACCELERATION
OUTPUT
FREQUENCY
DECELERATION
MIN. OUTPUT FREQUENCY
n14
DECELERATION
TIME
DC INJECTION BRAKING
TIME AT STOP
n53
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