RS232

The optional RS232 interface includes an M12 socket. The interface provides an asynchronous, serial communication method defined in the RS232 standard.

RS232 1:
RS232 interface pin numbering
RS232 pin assignment

Pin

Signal

Type

Description

1

DCD

 

Carrier recognized

2

RxD

Signal in

Receive Data

3

TxD

Signal out

Transmit Data

4

DTR

 

Data receiver ready

5

GND

Ground

Ground

6

DSR

 

Ready for operation

7

RTS

Signal out

Request to Send

8

CTS

Signal in

Clear to Send

9

RI

Signal in

Ring Indicator