Mitsubishi Electric MR-JET User Manual page 84

Timing chart
■Instantaneous power failure time > [Pr. PF25 Instantaneous power failure tough drive -
Detection time]
The alarm occurs when the instantaneous power failure time exceeds [Pr. PF25 Instantaneous power failure tough drive -
Detection time]. MTTR (During tough drive) turns on after the instantaneous power failure is detected.
MBR (Electromagnetic brake interlock) turns off when the alarm occurs.
Power supply
Bus voltage
Undervoltage level
(DC 158 V)
ALM
(Malfunction)
WNG
(Warning)
MTTR
(Tough drive in progress)
MBR
(Electromagnetic brake
interlock)
Base circuit
4 APPLICABLE FUNCTIONS
82
4.1 Tough drive function
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Time for instantaneous power failure
[Pr. PF25]