Leuze electronic ROD4 Mode D'emploi page 23

RS 232
Pin No. Designation
1 NC
2 TxD
3 RxD
4 NC
5 GND/shield
6 RS 232
7 NC
8 NC
9 Reserved
NOTICE
If you would like to work with an RS 422 interface, you must connect
PIN 6 with PIN 5 (GND) by means of a bridge.
RS 422
Pin No. Designation
1 TxD+
2 TxD-
3 RxD-
4 RxD+
5 GND/shield
6 RS 422
7 NC
8 NC
9 Reserved
Assignment
Not assigned
Data communication, transmission
Data communication, reception
Not assigned
Ground/shielding (to be connected only on the
cabinet side with PE)
Selection RS 232/RS 422.
Selection as interface RS 232: Not assigned
Not assigned
Not assigned
Reserved for test purposes, no wiring
Assignment
RS 422 transmit data
RS 422 receive data
Ground/shielding (to be connected only on the
cabinet side with PE)
Selection RS 232/RS 422.
Selection as interface RS 422: Bridge on pin 5!
Not assigned
Not assigned
Reserved for test purposes, no wiring
EN
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