
7. SPECIAL ADJUSTMENT FUNCTIONS
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(2) Instantaneous power failure time of the control circuit power supply < [Pr. PF25 Instantaneous power
failure tough drive - Detection time]
Operation status differs depending on how bus voltage decrease.
(a) When the bus voltage decrease lower than 158 V DC within the instantaneous power failure time of
the control circuit power supply
[AL. 10 Undervoltage] occurs when the bus voltage decrease lower than 158 V DC regardless of the
enabled instantaneous power failure tough drive.
ᓮ࿁〝㔚Ḯ
Უ✢㔚
ਇ⿷㔚ࡌ࡞
(DC158V)
CALM
(ㅢ㓚)
[Pr.PF25]
ᓮ࿁〝㔚Ḯ⍍ᤨ㑆
MTTR
(࠲ࡈ࠼ࠗࡉਛ)
MBR
(㔚⏛ࡉࠠ
ࠗࡦ࠲ࡠ࠶ࠢ)
ࡌࠬ࿁〝
ON
OFF
ON
OFF
ON
OFF
WNG
(⼊๔)
ON
OFF
ON
OFF
ON
OFF
Instantaneous power failure time of the control
circuit power supply
Control circuit power
supply
Bus voltage
Undervoltage level
(158 V DC)
WNG
(Warning)
MTTR
(During tough drive)
MBR
(Electromagnetic
brake interlock)
Base circuit
LM
(Malfunction)
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