HID Global Corporation 5553 Manuale Utente

 

HF Multi ISO RFID Reader User Manual, Firmware V1.4 

 

1508-USM-00-0-04 

 

Decrements a value block with a defined value. A read is done automatically after the write to 
verify data integrity. The command fails if the source block is not in value block format. A previous 
login is needed to access a block. 

'-' 

Block (1 byte)  
Value (4 bytes) 

Data 

Value (4 bytes) 

'I' 

Error: value block failure 

'F' 

Error: decrement failure or inability to read after write 

'N' 

Error: No tag in field  [addressed tag not present or not responding] 

'O' 

Error: Operation mode failure  [tag is not ISO14443 type A compliant] 

-0400000001 

Subtract 1 to value block 4 

-0500000100 

Subtract 256 to value block 5 

2.3.2.2.1 

No value block 'I' 

Specified block does not match the value format. The value block is corrupted. A backup block 
can be used to restore the correct value. 

Copies a value block to another block of the same sector. A read is done automatically after the 
write to ensure data integrity. Used for backup and error recovery. A previous login is needed to 
access a block. 

'=' 

Source block (1 byte)  
Target block (1 byte) 

Data 

New value of target block (4 bytes). 

'I' 

Error: value block failure 

'F' 

Error: copy failure or inability to read after write 

'N' 

Error: No tag in field    [addressed tag not present or not responding] 

'O' 

Error: Operation mode failure  [tag is not ISO14443 type A compliant] 

August 2010 

 

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