Hitachi HFC-VWS3EH Series Instruction Manual page 79

Note 1: The motor runs freely during retry operation time.
This function should not be applied when the motor
should be held with a mechanical brake during free
running.
Note 2: The instantaneous power failure restart timing is
shown below.
Timing Chart
Instantaneous
ite (The instantaneous power failure tripping
À occurs when the power failure time
exceeds the allowable time 0.3 sec.)
m
T,
THO. 5s 5s Restart stand-by time
(IPS-R-T) 0. 3% 3 sec.
(Note) 7 =
(Note)
4 When the free-run stop
Motor speed
rpm
1
J motor operation once,
then restart operation.
When the load \
( torque is large \
Output i
voltage
Instantaneous power failure restart timing
and GD? is small, ]
for example. /
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