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4-2 Data Formats
4-2-3 End Code List
Communications between Host Device and RFID Unit
End code
10
Parity Error
11
Framing Error
12
Overrun Error
14
Format Error
18
Frame Error
Communications between RFID Unit and Tags
End code
70
Communications Error
71
Write Error
72
No Tag Error
79
Command Error
7A
Address Error
Comparison with ISO Error Code
When an ISO tag responds by returning an error, the unit responds with the end code shown in the
following table.
ISO code
01
02
03
0F
10
11
12
13
14
Others RFU
Name
• There is a character with a parity error in the command received.
• There is a character with a framing error in the command received.
• There is a character with an overrun error in the command received.
• Command format does not match specifications.
invalid, etc.
• Characters are received more than 2 sec apart
• Frame received exceeds 140
Name
• Interference, such as noise, has occurred during communications with
• Write command has been specified to a page that has been
write-prohibited.
• There is a tag area to which reading is possible, but writing is not possible.
• Correct data cannot be written because the tag has exceeded its
usable write life.
• There was no tag in the communications area when the command
was executed.
• The specified pages do not exist (I-CODESLI).
• (see Comparison with ISO Error Code)
• The specified pages do not exist.
Command not in use. Cannot recognize request command code.
Unrecognized command. Example: format error
Any unused command.
Unknown or unused error code.
Specified block cannot be used (not present).
Specified block cannot be re-locked because it has been already locked.
The contents of the specified block cannot be changed because it is locked.
Writing to the specified block did not end normally.
Locking of the specified block did not end normally.
Examples: Command is not defined, page/address specifications are
the tags, preventing normal completion.
Details
Details
Details
Section 4-2
End code
79
79
79
79
7A
00
71
71
71
79
4-9
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