Mitsubishi Electric MELSERVO-J3 Series Handbook page 263

Part 5: Review on Replacement of MR-J3-DU_ with MR-J4-DU_
1) When magnetic contactor drive output is enabled
Drive unit
malfunction
(Note 5)
MCCB
(Note 1)
Power
supply
(Note 8) (Note 8)
Converter unit
malfunction
RA1 RA2
Converter unit
CNP1 TE2-2
L+
MC1 1
L-
MC2 2
(Note 2)
P1
MC
P2
L1
CN1
L2
1
DICOM
L3
5
DOCOM
L11
6
L21
DICOM
2 ALM
7 EM1
9
TE2-1
DOCOM
L+
(Note 9)
L-
Emergency stop
Operation ready
switch
OFF/ON
Drive unit
L+
L-
(Note 3)
24 V DC
CN3
15 ALM
10
DICOM
RA2
5
DICOM
3
DOCOM
20 EM2
Plate
L11
L21
(Note 12)
Terminal
block
5 - 68
RA3
MC
SK
(Note 14)
RA1
24 V DC
(Note 13)
SD Main circuit
power supply
MT-BR5-(H)
(Note 6) TH1
P
TH2
PR
FR-BU2-(H)
PR MSG
(Note 11)
P/+ SD
(Note 4)
A
N/-
B
C
BUE
(Note 10) (Note 7)
SD
MT-BR5-(H)
(Note 6) TH1
P
TH2
PR
FR-BU2-(H)
PR MSG
(Note 11)
P/+ SD
(Note 4)
A
N/-
B
C
BUE
(Note 10) (Note 7)
SD
RA4
SK
RA3
SK
RA4