Specifications

Serial port intercommunication agreement | VI-88TR development handbook
Command parameter4: 1byte Lock, control word.
0 Writable
1 Writable permanently
2 Writable in secured state
3
Never writable
4
Readable and writable
5
Readable and writable
permanently
6
Readable and writable in
secured state
7
Never readable and
writable
0～3 only apply to EPC, TID and User memory bank; 4～7 only apply to Kill
Password and Access Password.
Command parameter5: 4bytes AccessPassword.
Command packet: 『40H 9+L*2 EAH L EPC mem Lock
AccessPassword CheckSum』
Return data: if success, boot code of return packet is F0H, return data is
null.
『F0H 02H EAH 24H』
Command format with reader address:
Command code:EAH
Parameter of reader address:address
Command parameter1: 1byte L, digit count of EPC, to show the word count
of EPC number.
Command parameter2: L*2bytes EPC number, to show which tag to set
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