Instruction manual

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3. SIGNALS AND WIRING
3.4 Connectors and signal arrangements
POINT
The pin configurations of the connectors are as viewed from the cable
connector wiring section.
(1) Signal arrangement
The servo amplifier front view shown is that of the MR-J3-20B or less. Refer to Chapter 9 Outline Drawings
for the appearances and connector layouts of the other servo amplifiers.
CN5 (USB connector)
Refer to Section 11.8.
The frames of the CN2 and CN3
connectors are connected to the
PE (earth) terminal in the amplifier.
The 3M make connector is shown.
When using any other connector,
refer to Section 11.1.2.
CN2
4
2
LG
8
MDR
6
1
P5
5
10
3
MR
7
MD
9
BAT
MRR
CN4 CN2L CN2 CN1B CN1A CN3 CN5
CHARGE
L
2
U
W
V
D
L
12
L
11
C
P
N
P
1
P2
L
3
L1
OPEN
CN3
Connector for
the front axis of
CN1A SSCNET
cable.
Connector for the
rear axis of CN1B
SSCNET cable.
1
2
3
5
4
6
7
9
8
10
11
12
13
14
15
16
17
18
19
20
DI2
MO1
DICOM
LG
DOCOM
DICOM
LZ
DI3
MO2
EM1
LG
MBR
LBR
LA
LB
LZR
LAR
ALM
DI1INP