User's Manual

OBID
®
Installation ID ISC.M02
FEIG ELECTRONIC GmbH Page 31 of 42 M20301-0de-ID-B.doc
E N G L I S H
8.2.2. RS232 interface
The length of the cable to the RS232 interface should be kept as short as possible, and must in
any case not exceed 3 m.
Description
X1
Pin no.
Function
ID ISC.M02-B
3 TxD * RS232-TTL - Transmit Data
4, 9 GND ** GND
5 RxD * RS232-TTL - Receive Data
* Signal names as seen by the Reader Module.
** GND-Pins 4 and 9 are to be connected directly to each
other on the Reader Module
Table 3.2.2-1: Pin assignments for the RS232 interface on X1
The transmission parameters for the interface can be software-configured. Table 3.2.2-2 shows the
standard parameters for the RS232 interface.
Parameter Standard setting
Baud rate 38400
No. of data bits 8
Parity Even
No. of stop bits 1
Table 3.2.2-2: Standard parameters of the RS232 interface.