5
6. YOKOGAWA PLC 5-49
Connection to PLCs
RS-422
Wiring Diagram 3
V7 (CN1)
D-sub 25pin(Male: )
FG
+SD
SD
+RD
RD
1
12
13
24
25
RDB
RDA
SG 7
SDB
SDA
SG
PLC
* Use shielded twist-pair cables.
D-sub 25-pin (male)