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27 Allen-Bradley PLC • 2
Wiring Diagram 2
Wiring Diagram 3
RS-422
Wiring Diagram 4
D-sub 25pin(Male: )
FG
SD
RD
RS
CS
1
2
3
4
5
RXD
PLC
D-sub 9pin(Female: )
TXD
DTR
2
3
4
5
COM
SG 7 6
7
8
DSR
RTS
CTS
POD (CN1)
*
Use twist shielded cables.
POD (CN1)
PLC
D-sub 25pin(Male: )
D-sub 9pin(Male: )
FG
SD
RD
RS
CS
SG
1
2
3
4
5
7
RD
SD
RS
2
CD 1
3
4
GND 5
DR 6
RS 7
CS
8
* Use twist shielded cables.
AB' RS-232C
Ladder transfer
cable
Micro
Logix
1000
D-sub 25pin(Male: )
FG
SG
1
7
12
13
24
PLC
D-sub 9pin(Male: )
COM
1
2
5
6
925
POD (CN1)
+
SD
-
SD
+
RD
-
RD
TXD
-
RXD
-
RXD
+
TXD
+
*
Use twist shielded cables.