Omron V680 Series User Manual page 205

 GET RESTORE INFORMATION
This query reads the restore information from the Reader/Writer.
 Query Format
Byte 0 Byte 1 Byte 2 Byte 3
Transaction
Protocol identifier
identifier
X X 0000 hex
Parameter
Register address
Word count
 Response Format
Normal Response
Byte 0 Byte 1 Byte 2 Byte 3 Byte 4
Transaction Protocol
identifier identifier
X X 0000 hex
Byte 9 Byte 10
Number of
records
1 word
Parameter
Byte count
Number of records
Most restore information
record
Most restore information
record 1
:
Most restore information
record 7
Error Response
Byte 0 Byte 1 Byte 2
Transaction
Protocol identifier
identifier
X X 0000 hex
Parameter
Exception code
 Execution Example
If the operating time is writing data to the RF tag failure occurs while 1111111111 to restore it.
(In the case of failure of the block end partial write)
TX: 000000000006FF03C8000061
RX: 0000000000C5FF03C2***************
Byte 4 Byte 5 Byte 6
Unit
Field length Function code
identifier
0006 hex FF hex
The register address (C800 hex) that specifies the restore information.
The number of words in the restore information to read (0061 hex)
Byte 5 Byte 6 Byte 7
Unit
Field length Function code
identifier
00C5 hex FF hex 03 hex
Byte 11 ··· Byte 14 Byte 15
Operating time
2 words
The number of bytes in the restore information that was read (C2 hex)
The number of record in the restore information that was read.
Operating time If all restore information does not exist, it is 0000 hex.
UID(8 bytes)
User address
Data size
Data(8 bytes)
Same as above
Same as above
:
Same as above
Same as above
Byte 3 Byte 4 Byte 5
Field length
0003 hex
For details, refer to Exception Code Table in this section.
p.167
Host Communications Specifications
Byte 7 Byte 8 Byte 9 Byte 10
Register address
03 hex C800 hex
Description
Byte 8 Byte 9 ··· Byte 34
Most restore information
Byte count
record
C2 hex 12 words
··· Byte 22 Byte 23 Byte 24 Byte 25
UID User address
4 words 1 word
Description
:
Byte 6 Byte 7 Byte 8
Unit Function Exception
identifier code code
FF hex 83 hex 1 byte
Description
Section 7
Byte 11
Word count
0061 hex
··· Byte 179 ··· Byte 202
Most restore information
···
record 7
··· 12 words
Byte 26 Byte 27 ··· Byte 34
Data size Data
1 word 4 words
RFID System
User's Manual
(Modbus TCP)
203