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36
Connecting through the Serial Interface
Section 4-2
4-2-2
Connector
The F160's RS-232C/RS-422 Connector is a 9-pin D-SUB female connector.
The pin allocation is shown below.
The following plug and hood are recommended and are available from
OMRON.
4-2-3
Wiring
The maximum cable length is 15 m for RS-232C or RS-422
RS-232C Wiring
Pin
Signal
Name
1
FG
Protective frame ground
2
SD
For RS-232C
3
RD
4
NC
Not connected
5
RDB(+)
For RS-422
6
RDA(-)
7
SDB(+)
8
SDA(-)
9
GND
Signal ground
Model
Model No.
Plug
XM2A-0901
Hood
XM2S-0911
1
2
3
4
5
9
8
7
6
Pin
F160
Signal
SD
RD
GND
2
3
9
Pin
External device
Signal
SD
RD
GND
Use only shielded cable.
RS/CS control
cannot be used.
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