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Mitsubishi Electric MELSERVO-J4 Series Transition Handbook page 158

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Part 4: Replacement of MR-J3W-_B with MR-J4W2-_B
(2) MR-J4W2-_B
R S T
Power supply
Molded-case
circuit breaker
(MCCB) or fuse
Magnetic
contactor
(MC)
Power factor
improving
reactor
(FR-HAL)
Line noise
filter
(FR-BSF01)
L21
L11
A-axis
servo motor
Note 1. The battery unit consists of an MR-BT6VCASE battery case and five MR-BAT6V1 batteries. The battery unit is used in the
absolute position detection system. For details, refer to "MR-J4W2-_B/MR-J4W3-_B/MR-J4W2-0303B6 servo amplifier
instruction manual".
2. Always connect P+ and D. When using the regenerative option, Refer to the Instruction Manuals.
L1
L2
CNP1
L3
P+
C
D (Note 2)
Regenerative
option
CNP3A
U
W
V
CNP3B
U
W
V
B-axis
servo motor
CN5
(under the cover)
CN3
CN8
CNP2
CN1A
CN1B
CN2A
CN2B
CN4
Battery unit
4 - 9
Personal
computer
MR Configurator2
I/O signal
Safety relay or
MR-J3-D05 safety logic unit
Servo system
controller or Front axis
servo amplifier CN1B
Rear servo amplifier
CN1A or Cap
A-axis encoder
B-axis encoder
(Note 1)

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Melservo-j3 seriesMelservo-j3w series