Pin Assignment Of The Serial Interfaces - Siemens SIMATIC RF660 System Manual

5.1.4

Pin assignment of the serial interfaces

RS 422 connector
RS 232 connector
Industrial Ethernet
RF600
System Manual, 09/2005 Edition, J31069 D0171-U001-A0-7618,
Pin Meaning
1 GND
2 not connected
3 RS422_RX_PLUS
4 RS422_RX_MINUS
5 RS422_TX_MINUS
6 RS422_TX_PLUS
7 GND
8 housing
Pin Meaning
1 GND
2 RS232_TX
3 GND
4 RS232_RX
5 GND
6 not connected
7 not connected
8 not connected
Pin Meaning
1 Transmit Data (+)
2 Transmit Data (-)
3 Receive Data (+)
4 Terminated
5 Terminated
6 Receive Data (-)
7 Terminated
8 Terminated
RF660R reader
5.1 Description
5-5