80
* 1. Hold the operation signal to continue operation after recovery from a
momentary power loss.
* 2. When 2 is selected, the Inverter restarts if power supply voltage recovers
while the control power supply is held.
No fault signal is output.
S-curve Selection (n023)
To prevent shock when starting and stopping the machine, acceleration/
deceleration can be performed using an S-curve pattern.
Note: 1. S-curve characteristics are not supported for simple positioning con-
trol, so use a set value of 0.
2. The S-curve characteristic time is the time from acceleration/deceler-
ation rate 0 to the normal acceleration/deceleration rate determined by
the set acceleration/deceleration time.
The following time chart shows switching between FWD/REV run
when decelerating to a stop.
Setting S-curve Selection
0 S-curve characteristic not provided.
1 0.2 s
2 0.5 s
3 1.0 s
Frequency
Reference
Output
Frequency
Time
S-curve Characteristic Time (Ts)
Output
Frequency
Forward Run Command
Reverse Run Command
Acceleration
Output Frequency
Min. Output
Frequency n016
S-curve Characteristics in
Acceleration
Deceleration
DC Injection Braking
Time at Stop
n090
Deceleration
Min. Output Frequency
n016
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