Mitsubishi Electric MR-J4-100B(-RJ), Instruction Manual

Page: 102 / 706

3. SIGNALS AND WIRING
3 - 25
The servo amplifier front view shown is that of the MR-J4-20B or less. Refer to chapter 9 DIMENSIONS for
the appearances and connector layouts of the other servo amplifiers.
The frames of the CN2 and CN3 connectors are connected to the protective earth terminal in the servo
amplifier.
CN3
1
2
3
5
4
6
7
9
8
10
11
12
13
14
15
16
17
18
19
20
DI1
MO1
DICOM
LG
DOCOM
DICOM
LZ
DI2
MO2
EM2
LG
MBR
LBR
LA
LB
LZR
LAR
ALM
DI3 INP
4
MRR
2
LG 8
6
1
P5
5
10
3
MR
7
9
BAT
MXR
MX
CN2
CN8
4
MRR2
2
LG 8
6
1
P5
5
10
3
MR2
7
9
MXR2
MX2
(Note 1, 2) CN2L
4
PAR
2
LG 8
6
1
P5
5
10
3
PA
7
9
PB
PZR
PZ
PBR
PSEL
(for using serial encoder)
(Note 1, 2) CN2L
(for using A/B/Z-phase pulse encoder)
THM2
THM1
(Note 2)
CN5 (USB connector)
Refer to section 11.7
CN1A
Connector for SSCNET III
cable for previous servo
amplifier axis
CN1B
Connector for SSCNET III
cable for next servo
amplifier axis
CN4
(Battery connector)
Refer to section 11.8
For the STO I/O signal
connector, refer to section 13.2.
BAT
Note 1. The MR-J4-_B_ servo amplifiers have CN2L connectors. This CN2L is a connector of 3M.
When using any other connector, refer to each servo motor instruction manual.
2. Refer to table 1.1 for connections of external encoders.