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4 APPLICABLE FUNCTIONS
4.1 Tough drive function
• [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.
*1 For the undervoltage level, refer to the following table.
[Pr. PF25]
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Instantaneous power failure time of control circuit power supply
(Energization)
Control circuit
power supply
(Power failure)
Bus voltage
Undervoltage level
*1
Base circuit
ALM
(Malfunction)
MTTR
(During tough drive)
MBR
(Electromagnetic
brake interlock)
WNG
(Warning)