E6581595
F-27
6
[If momentary power failure occurs]
An example of setting when
f302
=
2
• Even after the recovery from an input power failure, the motor continues deceleration stop. If the DC voltage falls
below a certain level, however, control will be stopped and the motor will coast.
• If the voltage in main circuit falls below main circuit undervoltage (
moff
) level at operation deceleration stop
during power failu
re
, the motor will coast and inverter displays
stop
and
0.0
alternately. The motor continues
coasting even after power supply is restored.
Motor speed
Input voltage
Note
5: If momentary power failure occurs during deceleration stop,
power ride-through control will not be performed.
DC Voltage
Normal acceleration
Motor speed
Time
Input voltage
Deceleration stop
