User's Manual

5-5 System Command
5-5
5-42
5-5-3 System Lock (SL): ISO Mode only
This command locks (write-inhibit) to write to system area information of a Tag.
<Command Format>
(1) Normal lock
STX
Node No..
Command code
“SL”
Tag
type
System
method
ETX BCC
1 2 2 1 2 1 1
(2) In a case where UID of a Tag is specified
STX
Node No..
Command code
“SL”
Tag
type
System
method
UID
ETX BCC
1 2 2 1 2 16 1 1
Tag type Specifies the Tag type.
A: I.CODE SLI chip
System method Specifies the system information to lock.
01:AFI
02: DSFID
03: EAS (normal lock)
83: Select EAS (In a case where UID of a Tag is specified and locked)
UID Specifies the UID of a Tag to lock in hexadecimal.
<Response Format>
STX Node No..
Retry
flag
Command
code
“SL”
Response
code
“00”
ETX
BCC
1 2 1 2 2 1 1
Response code 00:normal completion
For other Response Codes, refer to SECTION 5-3-7 Response Code List.
(Important) Precautions on the Lock function
Be careful that once system information has been locked, the lock cannot be cleared.
This command is in ISO mode Only. The command is not available for I.CODE1 mode.