Mitsubishi Electric MELSERVO-J4 Series Transition Handbook page 167

Part 4: Replacement of MR-J3W-_B with MR-J4W2-_B
(3) Comparison of signals
MR-J3W-0303BN6
Connector pin assignment
CN3
1
2 15
LG
MO1 MO2
3
4 17
LA-A
LB-A
LBR-A
5
6 19
LA-B
LB-B
LBR-B
7
8 21
DI1-A
DI2-A DI2-B
9
10 23
DI3-A
EM1
DICOM
11
12 25
ALM-A
MBR-A MBR-B
13
Note 1. As the initial value, EM2 is assigned to the CN3-10 pin. Set [Pr. PA04] to "0 0 _ _" to assign EM1.
2. As the initial value, CALM is assigned to the CN3-11 pin. Set [Pr. PD09] to "_ _ 0 3" to assign ALM-A.
3. As the initial value, MBR-C is assigned to the CN3-13 pin. Set [Pr. PD07] to "_ _ 0 0" to assign Always off.
4. As the initial value, CINP is assigned to the CN3-24 pin. Set [Pr. PD08] to "_ _ 0 3" to assign ALM-B.
(4) Main circuit terminal block
MR-J3W-0303BN6
CNP1
24
4
0
3
PM
2
1
Connector pin No.
CN3-1
CN3-2
CN3-3
CN3-4
14
CN3-5
LG
CN3-6
16 CN3-7
CN3-8
LAR-A
CN3-9
18
CN3-10
CN3-11
LAR-B
CN3-12
20
CN3-13
CN3-14
DI1-B
CN3-15
22
CN3-16
DI3-B
CN3-17
CN3-18
24
CN3-19
ALM-B
CN3-20
26
CN3-21
CN3-22
DOCOM
CN3-23
CN3-24
CN3-25
CN3-26
Screw size: M5
Tightening torque: 1.87 [N•m]
Signal
abbreviation
Connector pin No.
LG
CN3-1
MO1 CN3-2
LA-A CN3-3
LB-A CN3-4
LA-B CN3-5
LB-B CN3-6
DI1-A CN3-7
DI2-A CN3-8
DI3-A CN3-9
EM1 (Note 1) CN3-10
ALM-A (Note 2) CN3-11
MBR-A CN3-12
(Note 3) CN3-13
LG CN3-14
MO2 CN3-15
LAR-A CN3-16
LBR-A CN3-17
LAR-B CN3-18
LBR-B CN3-19
DI1-B CN3-20
DI2-B CN3-21
DI3-B CN3-22
DICOM CN3-23
ALM-B (Note 4) CN3-24
MBR-B CN3-25
DOCOM
CN3-26
MR-J4W2-0303B6
CNP1
24 0
6 12
PM
5 11
U1 W1
4 10
V1
3 E1 9
U2 W2
2 8
V2
1 E2 7
4 - 18
MR-J4W2-0303B6
Connector pin assignment
CN3
1 14
2 15
LG
LG
MO1 MO2
3 16
4 17
LA-A
LAR-A
LB-A
LBR-A
5 18
6 19
LA-B
LAR-B
LB-B
LBR-B
7 20
8 21
DI1-A DI1-B
DI2-A DI2-B
9 22
10 23
DI3-A DI3-B
EM2
DICOM
11 24
12 25
CINP
CALM
MBR-A MBR-B
13 26
DOCOM
Screw size: M5
Tightening torque: 1.87 [N•m]