Mitsubishi Electric MELSERVO-J3 Series Handbook page 230

Part 5: Review on Replacement of MR-J3-DU_ with MR-J4-DU_
(c) Comparison of signals
Signal abbreviations in parentheses are for MR-J4-DU_B_.
1) CN2
MR-J3-DU_B_
Connector pin assignment
2 6 10
LG 4 8
MRR MDR
1 5 9
P5 3 7
BAT
MR MD
2) CN3
MR-J3-DU_B_
Connector pin assignment
1
2 12
LG
DI1 DI2
3
4 14
DOCOM
MO1 MO2
5
6 16
DICOM
LA
LAR
7
8 18
LB
LZ
LZR
9
10 20
INP
EM1
DICOM
Note 1. Set with [Pr. PD07] to [PD09] for use.
2. The factory setting for MR-J4-_B_ is EM2.
Connector pin No.
CN2-1
CN2-2
CN2-3
CN2-4
CN2-5
CN2-6
CN2-7
CN2-8
CN2-9
CN2-10
Connector pin No.
CN3-1
CN3-2
CN3-3
11
CN3-4
LG
CN3-5
CN3-6
13
CN3-7
MBR
CN3-8
CN3-9
15
CN3-10
ALM
CN3-11
CN3-12
17
CN3-13
LBR
CN3-14
19
CN3-15
CN3-16
DI3
CN3-17
CN3-18
CN3-19
CN3-20
Signal
abbreviation
Connector pin No.
P5 CN2-1
LG CN2-2
MR CN2-3
MRR CN2-4
(THM1) CN2-5
(THM2) CN2-6
MD
CN2-7
(MX)
MDR
CN2-8
(MXR)
BAT CN2-9
CN2-10
Signal
abbreviation
Connector pin No.
LG CN3-1
DI1 CN3-2
DOCOM CN3-3
MO1 CN3-4
DICOM CN3-5
LA CN3-6
LB CN3-7
LZ CN3-8
INP CN3-9 (Note 1)
DICOM CN3-10
LG CN3-11
DI2 CN3-12
MBR CN3-13 (Note 1)
MO2 CN3-14
ALM CN3-15 (Note 1)
LAR CN3-16
LBR CN3-17
LZR CN3-18
DI3 CN3-19
EM1
CN3-20 (Note 2)
(EM2)
5 - 35
MR-J4-DU_B_
Connector pin assignment
2 6 10
LG 4 8
THM2
MRR MXR
1 5 9
P5 3 7
THM1 BAT
MR MX
MR-J4-DU_B_
Connector pin assignment
1 11
2 12
LG LG
DI1 DI2
3 13
4 14
MBR
DOCOM
MO1 MO2
5 15
6 16
ALM
DICOM
LA
LAR
7 17
8 18
LB
LBR
LZ
LZR
9 19
10 20
INP DI3
EM2
DICOM