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RS-232C Serial Communications Section 7-2
OMRON PLC Settings
Set serial port 1 as given below in the PLC Setup using the CX-Programmer.
Communications Cable
Use the following cable connections to connect to an OMRON CP1E-series
PLC as a Standard PLC.
Parameter Description Set value for this example
Baud rate Serial port baud rate setting 9600, 8, 1, E
Mode Communications protocol RS-232C (no-protocol)
Start code Send/receive data start code 0x0040
End code Send/receive data end code Reception bytes: 198
FG 1
1 FG
SD 2
2 SD
RD 3
3 RD
RS 4
4 RS
CS 5
5 CS
5V 6
6 5V
DR 7
7 DR
ER 8
8 ER
SG 9
9 SG
G9SP-series RS-232C Serial
Option Board (CP1W-CIF01)
Connector type Signal
Pin
D-sub 9-pin
male
Connector type
Pin
Signal
D-sub 9-pin
male
RS-232C port on
CP1E-series PLC
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