Pilz PSS 3075-3 Series - User Interface (USER) Details

Operating Manual: PSS 3075-3 Series 8-5
User interface (“USER”)
The user interface is a combined RS 232/RS 485 interface. Both interfaces
are available on a male 9-pin D-Sub connector.
NOTICE
Never operate the combined RS 232 and RS 485 interface simultaneously
or in parallel. The programmable safety system is not designed for this.
Fig. 8-4: Configuration of the user interface
Male D-Sub connector
9-pin
5
1
6
9
RS 232
2: RxD
3: TxD
4: DTR
5: GND
6: DSR
7: RTS
8: CTS
RS 485
1: A
5: GND
9: B