Omron V680 Series User Manual page 180

Section 7
Host Communications Specifications
 RESTORE DATA
We will restore the data of RF tags that hold the Reader/Writer.
Restoring to a RF tag can be performed only if the RF tag that matches the UID that holds exists in the
communications field.
 Query Format
Byte 0 Byte 1
Transaction
identifier
X X
Parameter
Register address
Word count
Byte count
Option
 Response Format
Normal Response
Byte 0 Byte 1
Transaction
identifier
X X
Parameter
Register address
Word count
Error Response
Byte 0 Byte 1
Transaction
identifier
X
Parameter
Exception code
 Execution Example
Restore the data
TX: 000000000009FF10A4000001020000
RX: 000000000006FF10A4000001
RFID System
178
User's Manual
(Modbus TCP)
Byte 2 Byte 3 Byte 4 Byte 5 Byte 6
Protocol
Field length
identifier identifier
0000 hex 0009 hex FF hex
The register address (A400 hex) that specifies restoration data.
The number of words for the option (0001 hex)
The number of bytes for the option (02 hex)
Always 0000 hex.
Byte 2 Byte 3 Byte 4 Byte 5
Protocol identifier Field length
0000 hex 0006 hex
Contains the register address that was specified in the query.
Contains the word count that was specified in the query.
Byte 2 Byte 3 Byte 4
Protocol identifier Field length
X 0000 hex
For details, refer to Exception Code Table in this section.
p.167
Byte 7 Byte 8 Byte 9
Unit
Function code Register address
10 hex A400 hex
Description
Byte 6 Byte 7 Byte 8
Unit
Function code Register address
identifier
FF hex 10 hex A400 hex
Description
Byte 5 Byte 6 Byte 7
Unit Function
identifier
0003 hex FF hex 90 hex
Description
Byte 10 Byte 11 Byte 12 Byte 13
Byte
Word count
count
0001 hex 02 hex
Byte 9 Byte 10 Byte 11
Word count
0001 hex
Byte 8
Exception
code code
1 byte
··· Byte n
Option
0000 hex