User's Manual

ACG HF Multi ISO RFID Reader V1.0
ACG Identification Technologies GmbH 70
12.4.3.6.5 Multiple tags
This command with parameter 1xh prepares the next multiselect command as a high-
speed select. Any other command will disable the preparation.
12.4.3.6.6 RATS Guard Time SFGT
A high-speed select with parameters 0xh and 1xh automatically waits the SFGT
guard time received from the tag before sending the PPS command.
12.4.3.7 Lock block
This command locks a block permanently. Only SR176 and ISO 15693 tags are
supported.
Command
Command Data
'k' Block address (1 byte)
Answer
Answer Description
data 'K' + page address
'F' Error: Lock failure
'N' Error: No tag in field
'O' Error: Operation mode failure (only SR176 and ISO 15693
tags are supported)
'X' Error: Block already locked
Example
Command Description
k05 K05
Lock block 05.
12.4.3.7.1 Operation mode failure 'O'
The presented tag is not a SR176 or a ISO 15693 tag.