Aeg COMPACT READER ARE I2 User Manual download pdf (Page 15)

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ARE I2 / RS 232 – Installation Guide

AEG

Identifikationssysteme GmbH

Söflinger Straße 100

D-89077 Ulm

Tel. ++49(0)731-933-1340/1877

Fax ++49(0)731-933-1855

6 Settings of the Reader / Most Important Parameters

The default value of the operating mode parameter is 2..

• MD 2 triggered by an software command – default value

• MD 0 continuos mode

6.1 General

The command set described below defines the transfer of data on the serial interface.

The commands consist of a command code and optionally of a parameter value. Commands

are terminated by the control character <CR> (13h). The control character serves as com-

mand line terminator.

Command codes and parameters, that means all letters and numerical values, are princi-

pally transmitted as a sequence of ASCII characters (the value 255 (decimal) consequently

as 32H, 35H, 35H; the command RST as 52H, 53H, 54H).

The protocol format is as follows

command <SP> parameter <CR>

The space character <SP> separates commands from parameters and the <CR> character

acts as command line terminator.

For commands without parameter values (e.g. GT ) the <SP> character and parameter val-

ues are omitted. The command line is as short as this:

command <CR>.

Generally, every input terminated by <CR> is acknowledged by the reader. The following

response protocols are different:

Generally, every input terminated by <CR> is acknowledged by the reader. The following

response protocols are different:

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 32 33

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Aeg COMPACT READER ARE I2 User Manual Page 15