Lock Setting (Lk): Iso Mode Only - Omron V720S Series Operation Manual

System Command

5-4-9 Lock Setting (LK): ISO Mode Only

This command is used to set and check the write-protection of Tags incorporating I.CODE1 chip.
A Tag can be locked (or write-protected) by memory page.
<Command Format>
STX Node No.. Command code
1 2
Tag type
First lock page
No. of lock pages
<Response Format>
STX Node No..
1 2
Response code
! Caution
5-28
Tag First lock page
type
"LK"
2 1 2
Specifies Tag type.
A: I.CODE2 chip
Specifies the first page to be locked in hexadecimal.
Specification range: 00 to 1Bh
* For details, refer to 2-4 Memory Map of Tag.
Specifies the first lock page t in hexadecimal.
Specification range: 01h to 1Ch
Command code Response
Retry
"LK" code
flag
"00"
1 2 2
00:normal completion
For other response codes, refer to 5-2-4 Response code List.
Be careful that once a lock is set, the lock cannot be cleared.
Note This command is for ISO mode Only. The command is not available in
I.CODE1 mode.
lock ETX BCC
No. of pages
2 1 1
ETX BCC
1 1
Section 5-4