Weidmüller THM Basic 300 - 7 Interfaces; RS232 Serial Interface

Interfaces
1168670000/02/08.11
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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
®
Windows or other connections.
Pin assignments (pin-out)
Printer Host 1 Host 2
9-pole socket 25S 9S 25S 9S
TX 2 RX 3 RX 2 RX 3 RX 2
RX 3 TX 2 TX 3 TX 2 TX 3
CTS 4 RTS 4 RTS 7
GND 5 GND 7 GND 5 GND 7 GND 5
RTS 6 CTS 5 CTS 8
DSR 7 DTR 20 DTR 4
4
5
4
6
DTR 8 DSR 6 DSR 6 6
20
7
8
Table 5 Pin assignments for RS232 serial interface