Mitsubishi Electric MELSERVO MR-J4-B-RJ Series, Инструкция по эксплуатации

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1. TROUBLESHOOTING FOR SERVO AMPLIFIER (DRIVE UNIT)
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Alarm No.: 10 Name: Undervoltage
Alarm content
The voltage of the control circuit power supply has dropped.
The voltage of the main circuit power supply has dropped.
Detail
No.
Detail name Cause Check method Check result Action Target
10.2 Voltage drop in
the main circuit
power
(1) The main circuit power
supply wiring was
disconnected.
For the drive unit, the
main circuit power
supply wiring of the
converter unit was
disconnected.
Check the main circuit
power supply wiring.
Check the main circuit
power supply wiring of
the converter unit. It is disconnected. Connect it correctly. [A]
[B]
[WB]
[RJ010]
[GF]
It is connected. Check (2).
(2) The wiring between P3
and P4 was
disconnected.
For the drive unit, the
wiring between P1 and
P2 of the converter unit
was disconnected.
Check the wiring
between P3 and P4.
Check the wiring
between P1 and P2 of
the converter unit. It is disconnected. Connect it correctly.
It is connected. Check (3).
(3) For the drive unit, the
magnetic contactor
control connector of the
converter unit was
disconnected.
Check the magnetic
contactor control
connector of the
converter unit. It is disconnected. Connect it correctly.
It has no failure. Check (4).
(4) For the drive unit, the
bus bar between the
converter unit and drive
unit was disconnected.
Check the bus bar
between the converter
unit and drive unit. It is disconnected. Connect it correctly.
It has no failure. Check (5).
(5) The voltage of the main
circuit power supply is
low.
Check if the voltage of
the main circuit power
supply is the
prescribed value or
lower.
200 V class: 160 V
AC
400 V class: 280 V
AC
100 V class: 83 V AC
48 V DC setting: 35 V
DC
24 V DC setting: 15 V
DC The voltage is the
prescribed value or
lower. Increase the voltage
of the main circuit
power supply.
The voltage is
higher than the
prescribed value. Check (6).
(6) The alarm has
occurred during
acceleration.
Check if the bus
voltage during
acceleration is lower
than the prescribed
value.
200 V class: 200 V
DC
400 V class: 380 V
DC
100 V class: 158 V
DC
48 V DC setting: 35 V
DC
24 V DC setting: 15 V
DC The voltage is lower
than the prescribed
value. Increase the
acceleration time
constant. Or
increase the power
supply capacity.
The voltage is equal
to or higher than the
prescribed value. Check (7).