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Con nect the OIT to the PLC or Con trol ler
Sce nario 2
When using one RS485-4 Wire and one RS485-2 Wire PLC/Controller, with COM1 configured for RS485-4 Wire
and COM3 configured for RS485-2 Wire, splitter P/N 7431-0112 is needed.
DE9P Connector
& Backshell
4-40 x 1/2 Retainer
Screw, 2 places
NOTES:
1
Approx. 12.00"
P/N Label
COM1 RS485-4W Label
2.00"
COM3 RS485 Label
OIT
1
9P
RX- 1
1
RX+ 1
2
TX- 1
3
TX+ 1
4
GND
5
TX/RX- 3
6
9
TX/RX+ 3
Shield wire must be terminated to connector metal shell.
1.00"
DE9S Connector
& Backshell
Standoff, Hex Extender,
F/F,4-40X0.236,ZP
1
WHT/BRN
BRN
WHT/GRN
GRN
BLU
BLU
WHT/ORN
ORN
1
29
COM1
RS485-4W
9S
RX- 1
1
2
RX+ 1
3
TX- 1
4
TX+ 1
5
GND
COM3
RS485
9S
TX/RX- 3
6
9
TX/RX+ 3
5
GND
1010-1007W, Rev 06
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