________________________________________________________________________________________________________________________________________________________________________________________________________________________
07-02-10-01-E-V0304.doc
Product Manual Type:
637f
39
Connector assignment and functions
Digital
interfaces
2.6.2.3 Module designs
2.6.2.4 Pin assignment for
RS232
with option module
RP 232
pin
assignment as RS232
1 -
2 RXD
3 TXD
4 -
5 GND
6 -
7 -
8 -
9 -
2.6.2.5 Pin assignment for
RS422/485
with option module
RP 422,
without galvanic isolation
with option module
RP 485,
with galvanic isolation
pin
assignment as RS422/485
1 -
2 -
3 -
4 Data
In
5 GND
6
Data In inverted
7
Data Out inverted
8 Data
Out
9 -
Parallel wiring up to 16 devices
design A
design B
design C
coding