Omron NQ HMI Getting Started Manual page 137

A-4-4 NQ to Siemens S7-200 Series
/i
DB9 MALE PINOUTS (PLC)
Signals
B
SG
A
shield wire to DB9 body
Pin number
1
2
3
4
5
6
7
8
9
DB9 MALE PINOUTS (NQ)
Pin number
A 1
2
3
4
5
6
B 7
8
9
shield wire to DB9 body
Signals
TX+
RX+
SG
TX-
RX-
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