Omron V680 Series User Manual page 183

 SET TAG COMMUNICATIONS CONDITIONS
This query sets the conditions for Reader/Writer communications with RF Tags (high speed/normal
speed and write verification).
 Query Format
Byte 0 Byte 1 Byte 2 Byte 3
Transaction Protocol
identifier identifier
X X 0000 hex
Parameter
Register address
Word count
Byte count
Tag communications Communications
conditions setting speed
information
Write verification
 Response Format
Normal Response
Byte 0 Byte 1 Byte 2 Byte 3
Transaction Protocol
identifier identifier
X X 0000 hex
Parameter
Register address
Word count
Error Response
Byte 0 Byte 1 Byte 2
Transaction
Protocol identifier
identifier
X X 0000 hex
Parameter
Exception code
 Execution Example
Setting the Standard Speed and Disabling Write Verification
TX: 00000000000BFF10B10000020400010000
RX: 000000000006FF10B1000002
Byte 4 Byte 5 Byte 6 Byte 7
Unit
Field length Function code
identifier
000B hex FF hex 10 hex
The register address (B100 hex) that specifies the RF Tag communications
conditions.
The number of words in the RF Tag communications conditions setting
information (0002 hex)
The number of bytes in the RF Tag communications conditions setting
information (04 hex)
Specify the communications speed in 4-digit hexadecimal.
High speed: 0000 hex (default), Standard: 0001 hex
Specify in 4-digit hexadecimal whether to perform write verification.
No: 0000 hex, Yes: 0001 hex (default)
Byte 4 Byte 5 Byte 6 Byte 7
Unit
Field length Function code
identifier
0006 hex FF hex 10 hex
Contains the register address that was specified in the query.
Contains the word count that was specified in the query.
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 8 Byte 9 Byte 10 Byte 11 Byte 12
Register
Word count Byte count
address
B100 hex 0002 hex 04 hex
Byte 13
Communications speed
Description
Byte 8 Byte 9 Byte 10 Byte 11
Register address Word count
B100 hex 0002 hex
Description
Byte 6 Byte 7 Byte 8
Unit Function Exception
identifier code code
FF hex 90 hex 1 byte
Description
Section 7
Byte 13 ··· Byte 16
RF Tag communications
conditions setting information
4 bytes
Byte 14 Byte 15 Byte 16
Write verification
2 bytes 2 bytes
RFID System
User's Manual
(Modbus TCP)
181