Specifications

21-2 21. SAMSUNG PLC
Wiring
Wiring diagrams with the PLC are shown below.
RS-232C
Wiring Diagram 1
RS-422
Wiring Diagram 2
TXD
PLC
RXD
2
3
5GND
1
2
3
4
5
7
SD
RD
RS
CS
SG
SHELL
8
7
5
*1
* Use shielded twist-pair cables.
D-sub 9-pin (male)
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.
TR−
PLC
TR+
6
7
1
SHELL
*1
12
13
24
25
+SD
-SD
+RD
-RD
1
2
7
8
* Use shielded twist-pair cables.
D-sub 9-pin (male)
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.