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11. Allen-Bradley PLC 5-81
Connection to PLCs
RS-422
Wiring Diagram 6
Wiring Diagram 7
D-sub 25pin(Female: )
PLC
V7 (CN1)
D-sub 25pin(Male: )
FG
+SD
SD
+RD
RD
1
12
13
24
25
RTS
CTS
DSR
DCD
4
5
6
8
14
TDA
RDA 16
18
20
25
RDB
DTR
TDB
* Use shielded twist-pair cables.
D-sub 25-pin (male)
D-sub 25-pin (female)
V7 (CN1)
D-sub 25pin(Male: )
FG
SG
+SD
SD
+RD
1
7
12
13
24
TXD
RXD
PLC
D-sub 9pin(Male: )
COM
RXD+
1
2
5
6
9
TXD+RD 25
* Use shielded twist-pair cables.
D-sub 25-pin (male)
D-sub 9-pin (male)