Interfaces; Rs232 Serial Interface - Weidmüller THM Basic 300 Operating Instructions Manual

7.

Interfaces

7.1

RS232 serial interface

Baud rate: 9600, 19200, 38400, 57600
(set with DIP switches 7 and 8)
Data format: always 8 data bits, 1 start bit and 1 stop bit
Parity: no parity bit
Handshake: RTS/CTS (hardware flow control): "Hardware" handshake must be activated with Micro-
soft
Pin assignments (pin-out)
Printer
9-pole socket
TX 2 RX
RX 3 TX
CTS 4 RTS
GND 5 GND
RTS 6 CTS
DSR 7 DTR
DTR 8 DSR
Table 5 Pin assignments for RS232 serial interface
1168670000/02/08.11
®
Windows or other connections.
Host 1
25S 9S
3 RX 2
2 TX 3
4 RTS 7
7 GND 5
5 CTS 8
20 DTR 4
6 DSR 6
Host 2
25S 9S
RX 3 RX
TX 2 TX
GND 7 GND
4
5
6
20
Interfaces
2
3
5
4
6
7
8
51