Omron G9SP Series Manual page 36

Siemens PLC Settings
Set serial port 1 as given below in the Ladder using the STEP 7-Micro/WIN.
Parameter
Freeport
Control
Registers
Communications cable
The suited cable is different according to the combination of component. Please use the
RS-232/PPI Multi-Master cable when connecting with RS-232C port of a Siemens Standard
PLC.
RS-232C Serial Communications
Connector
D-Sub
male
9-pin
3-4
Description
Control Freeport
communication for
serial port
G9SP-series
Board
Signal Pin No.
FG 1
SD 2
RD 3
RS 4
CS 5
5V 6
DR 7
ER 8
SG 9
Set value for this
example
Please set SMB130 to $49.
SMB130 Bit Format
MSB
7 6 5 4
P D
P:Parity(0 1=Even parity)
D:Data bits(0=8 data bits per character)
B:Baud rate(0 1 0=9600bps)
M:Protocol(0 1=Freeport protocol)
Siemens S7-200-series
RS-232 port
Pin No.
1
2
3
4
5
6
7
8
9
LSB
3 2 1 0
B M
Signal Connector
CD
RD
D-Sub
SD
male
ER
9-pin
SG
DR
RS
CS
RI