User's Manual

Table Of Contents
ACGPass e-ID Desktop Reader, Ver. Dual ISO 2.3
8.4.3.21 Write block
This command writes data to a block. A read is done automatically after every write
to ensure correct writing.
Command
Command Data
'w' Block address (1 byte), valid range 00h – 40h
Data (n bytes)
'wb' Block address (1 byte)
Data (n bytes)
Answer
Answer Description
Data Data block (depends on tag type)
'F' Error: Write failure
'N' Error: No tag in field
'O' Error: Operation mode failure
'R' Error: Out of range
Example
Command Description
wb0511223344 Writes data 11223344 on block 05.
8.4.3.21.1 Write failure 'F'
This error is displayed if bad transmission conditions are given. If the block address
exceeds the physical number of blocks of a tag, this error is shown.
8.4.3.21.2 No tag error 'N'
This error is returned if no tag is present or the card does not respond.
8.4.3.21.3 Operation mode failure 'O'
The tag is not ISO14443 type A compliant.
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