User Manual

9. Operation through serial interface with PC Software „LeserPlus
Manager“:
The software “LeserPlus Manager” is available for downlaod from the Codatex homepage under
www.codatex.com.
We recommend to use this software for configuring the reader as it offers comfortable data management and
backup.
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System requirements:
o Windows 2000, XP
o App. 5 MB free hard disk memory
o 16 MB RAM memory
o Processor min. 100 MHz
o Display resolution min. 800 x 600
o Serial interface RS232
Following interface parameters must be used:
Baudrate : 9600
Databyte: 8
Parity: none
Stopbits: 1
Flux control: none
ASCII-Codes (Decimal): <STX> = 002
<EOT> = 004
<ACK> = 006
<NAK> = 021
10. Interface protocol description:
ATTENTION: This interface protocol is for experienced users only. We recommend to use the PC
software “LeserPlus Manager” for reader management.
The RF reader Leser 2plus can be operated both in the stand-alone mode and in the reading head mode.
In the stand-alone mode following instructions are available to talk to the reader:
1. Reader start up
After power on of the reader, it sends an OK
<STX>OK<EOT>
2. Version number
The version number of the reader can be read with
<STX>H<EOT>.
The reader responds with
<STX>XRDV[1][2] EOT>
[1] shows the firmware version
[2] shows the hardware version of the reader
If a command is not accepted by the reader it sends a
<STX>NAK><EOT>
3. Programming the Master Transponder
For programming a master transponde the reader must be switched into the master programming mode
by following command:
<STX>M<EOT>
The reader responds with
<STX><ACK><EOT>
and stays in the master transponder programming mode for 5 sec.
If a transponder is read during this period of time, the reader responds with
<STX>M[Data]<EOT>
[Data] is the number of the master transponder, e.g. “M37FA4B02AC”
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