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26 Allen-Bradley PLC • 1
Wiring Diagram 2
RS-422
Wiring Diagram 3
D-sub 25pin(Male: )
FG
SD
RD
RS
CS
1
2
3
4
5
TXD
RXD
PLC
D-sub 25pin(Female: )
RTS
CTS
2
3
4
5
6
DSR
SG 7
8
20
DCD
DTR
SG 7
POD (CN1)
*
Use twist shielded cables.
D-sub 25pin(Male: )
FG 1
12
13
24
25
RTS
CTS
PLC
D-sub 25pin(Female: )
DSR
DCD
4
5
6
8
14
TDA
RDA 16
18
20
25
RDB
DTR
TDB
POD (CN1)
+
SD
-
SD
+
RD
-
RD
*
Use twist shielded cables.