Mitsubishi FR-A740-00023-EC Instruction Manual page 212

Motor brake and stop operation
⋅ Operation example 1 at power failure
⋅ Operation example 2 at power failure (when DC power is restored)
AC power supply
⋅ Operation example 3 at power failure (when continuous operation is performed)
AC power supply
202
Control power
AC power supply
supply
ON
AC power supply
Y85(MC)
X70
X71
ON
STF(STR)
Output
frequency
(Hz)
Control power
AC
supply
ON
Y85(MC)
X70
OFF
X71
ON
STF(STR)
Output
frequency
(Hz)
Control power
AC
supply
ON
Y85(MC)
ON
X70
OFF
X71
ON
STF(STR)
Output
frequency
(Hz)
DC power supply
ON
ON
ON
ON
Motor
coasting
Approx. 150ms
Back up operation
DC AC
Power restoration
Turns off after
stop while running
ON
ON
ON
Motor
coasting
Approx. 150ms
Back up operation
DC
AC
Power restoration
ON Remains on while running
Back up operation
Time
Time
Time