Mitsubishi Electric MELSERVO-J5 MR-J5 Series User Manual page 155

• [AL. 010 Undervoltage] occurs regardless of the enabled instantaneous power failure tough drive even if the bus voltage
decreases to the undervoltage level or lower within the instantaneous power failure time of the control circuit power supply.
ON
Control circuit
OFF
power supply
Bus voltage
*1
Undervoltage level
ON
ALM
(Malfunction)
OFF
ON
WNG
(Warning)
OFF
ON
MTTR
(During tough drive)
OFF
MBR
ON
(Electromagnetic
OFF
brake interlock)
ON
Base circuit
OFF
*1 For the undervoltage level, refer to the following table.
Page 154 Behavior
Instantaneous power failure time of control circuit power supply
(Energization)
(Power failure)
[Pr. PF25]
4 APPLICABLE FUNCTIONS
4.1 Tough drive function
4
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