6-2 6. FANUC PLC
Wiring
Wiring diagrams with the PLC are shown below.
RS-232C
Wiring Diagram 1
RS-422
Wiring Diagram 2
SDB
PLC
JD42
RDB
17
9
0V
18
1
2
3
4
5
7
SD
RD
RS
CS
SG
SHELL
8
7
5
*1
* Use shielded twist-pair cables.
D-sub 25-pin (male)RJ-45 8-pin
V Series
CN1
V706
MJ2
*1 Pin No. 1 of CN1 is used
as FG.
The metal shell of the
modular jack 2 on the
V706 is used as SG.
Signal
Name
Pin No. Pin No.
Signal
Name
Pin No.
Half-pitch 20-pin
PLC
JD14
RDB
RDA
SDB
1
3
2
4
11
SDA
0V
RDB
RDA
1
2
R
JD15
R: 120 Ω 1/2W
1
7
12
13
24
25
SG
+SD
-SD
+RD
-RD
5
1
2
7
8
SHELL
*1
* Use shielded twist-pair cables.
D-sub 25-pin (male)RJ-45 8-pin
V Series
CN1
V706
MJ2
*1 Pin No. 1 of CN1 is used
as FG.
The metal shell of the
modular jack 2 on the
V706 is used as SG.
Signal
Name
Pin No. Pin No.
Signal
Name
Pin No.
Signal
Name
Pin No.
Half-pitch 20-pin