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TAGnology_TAGid -125kHz_Protocol.pdf - RFID Webshop

TAGnology_TAGid -125kHz_Protocol.pdf - RFID Webshop

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February 1999 Rev. 1.2 Communication Reader-Host<br />

3.6 Status Byte<br />

The read/write device returns a Status Byte indicating an error if different from 0.<br />

The following Error Codes are defined:<br />

VALUE ERROR NAME DESCRIPTION<br />

0 no error<br />

-1 SERIAL ERROR Error at the serial interface.<br />

-3 NOTAG There was no answer of a transponder<br />

detected by the read/write device.<br />

-4 TIMEOUT There is not enough energy available to write<br />

to the transponder.<br />

-5 INCORRECT PASSWORD RWD The HITAG 2 password of the read/write<br />

device is invalid.<br />

-6 INCORRECT PASSWORD TAG The HITAG 2 password of the transponder is<br />

invalid.<br />

-7 AUTHENTICATION ERROR An error occurred during the authentication<br />

process.<br />

-8 ACKNOWLEDGEMENT ERROR The acknowledgement was not received<br />

correctly.<br />

-9 CRYPTOBLOCK NOT INIT A cryptographic command was transmitted<br />

without authentication between the<br />

read/write device and transponder.<br />

-10 EEPROM ERROR EEPROM (of the read/write device)<br />

acknowledgement error.<br />

-11 EEPROM WRONG OLD DATA On comparison old and new data prove<br />

inconsistent.<br />

-12 EEPROM WRITE PROTECTED You attempted to write to the read/write<br />

device EEPROM, although writing was not<br />

allowed.<br />

-13 EEPROM READ PROTECTED You attempted to read from the read/write<br />

device EEPROM, although reading was not<br />

allowed.<br />

-14 PIT DATA OVERFLOW New PIT-Data were received by the host<br />

before the host-program read the old PIT-<br />

Data (error generated by C-Library during<br />

command ReadPit).<br />

-15 CRC ERROR Wrong CRC from a HITAG 1 transponder in<br />

Advanced <strong>Protocol</strong> Mode.<br />

-20 ANTENNA OVERLOAD Long Range Reader: Broken or badly<br />

detuned antenna (error only after command<br />

ReadLRStatus).<br />

Page 15 (107)<br />

Protokoll HTRM801 V1.2/C

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