Mitsubishi Electric FR-A800 Series Instruction Manual page 732

• Operation example at the time of power failure occurrence 1
• Operation example at the time of power failure occurrence 2 (when the AC power supply is restored)
• Operation example at the time of power failure occurrence 3 (when continuing the operation)
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AC power supply
Control power
supply
ON
AC power supply
Y85(MC)
X70
X71
STF(STR)
Output
frequency
(Hz)
Control power supply
AC power supply
Y85(MC)
X70
OFF
X71
STF(STR)
Output
frequency
(Hz)
Control power
AC
supply
ON
AC power supply
Y85(MC)
ON
X70
OFF
X71
STF(STR)
Output
frequency
(Hz)
search engine
DC power supply
ON
ON
ON
ON
Motor
coasting
Approx.
200ms
Back up operation
AC DC
ON
ON
ON
ON
ON
Motor
coasting
Approx.200ms
Back up operation
DC
ON
ON
Back up operation
ON
Time
AC
Power restoration
Turns off after stop
while running
Time
AC
Power restoration
Remains on while running
Time
5. PARAMETERS
5.16 (G) Control parameters
1
2
3
4
5
6
7
8
9
10
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