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ACG HF Multi ISO RFID Reader - RFID Webshop

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<strong>ACG</strong> <strong>HF</strong> <strong>Multi</strong> <strong>ISO</strong> <strong>RFID</strong> <strong>Reader</strong> V1.0<br />

12.4.4.2.2 Decrement failure 'F'<br />

This indicates a general failure during the decrement procedure or an inability to read<br />

after the write process.<br />

12.4.4.2.3 No tag error 'N'<br />

The reader does not detect a response from the tag. There is either no tag present or<br />

the tag does not respond to the request.<br />

12.4.4.2.4 Operation mode failure 'O'<br />

The tag is not <strong>ISO</strong>14443 type A compliant.<br />

12.4.4.3 Copy value block (backup)<br />

Copies a value block to another block of the same sector. A read is done<br />

automatically after the write to ensure data integrity. Used for backup and error<br />

recovery. A previous login is needed to access a block.<br />

Command<br />

Command<br />

'='<br />

Data<br />

Source block (1 byte)<br />

Target block (1 byte)<br />

Answer<br />

Answer<br />

Data<br />

'I'<br />

'F'<br />

'N'<br />

'O'<br />

Description<br />

New value of target block (4 bytes).<br />

Error: value block failure<br />

Error: copy failure<br />

Error: No tag in field<br />

Error: Operation mode failure<br />

Example<br />

Command Description<br />

=0405 Copy value block 4 to block 5<br />

=0506 Copy value block 5 to block 6<br />

<strong>ACG</strong> Identification Technologies GmbH 94

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