Mitsubishi Electric 800 Series Instruction Manual page 558

• Operation example at the time of power failure occurrence 2 (when the AC power supply is restored)
Control power supply
AC power supply
• Operation example at the time of power failure occurrence 3 (when continuing the operation)
Control power
AC power supply
AC
ON
Y85(MC)
X70
OFF
X71
ON
STF(STR)
Output
frequency
(Hz)
AC
supply
ON
Y85(MC)
ON
X70
OFF
X71
ON
STF(STR)
Output
frequency
(Hz)
DC AC
Power restoration
Turns off after stop
ON
while running
ON
ON
Motor
coasting
Approx. 200 ms
Back up operation
DC
AC
Power restoration
ON
Remains on while running
Time
Back up operation
Time
557
5. PARAMETERS
5.13 (G) Control parameters
3
4
5
5
5
6
7
8
9
10