Omron V680S-HMD63-ETN User Manual page 177

 SET DEVICE NAME
This query sets a name for 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
Number of bytes in device
name
Device name
 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 Device Name to V680S-A001
TX: 000000000047FF10B90000204056363830532A413030310000000000···00
RX: 000000000006FF10B9000020
Byte 4 Byte 5 Byte 6 Byte 7
Unit Functio
Field length
identifier n code
0047 hex FF hex 10 hex
The register address (B900 hex) that specifies the device name.
The number of words in the device name (0020 hex)
The number of bytes in the device name (40 hex)
Specify the device name with up to 64 bytes of ASCII characters (up to 63 ASCII characters plus
the end code (00 hex)).
If there are fewer than 63 characters, fill the remaining bytes with 00 hex.
You can specify ASCII characters 20 hex (space) to 7E hex (~).
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.157
Host Communications Specifications
Byte 8 Byte 9 Byte 10 Byte 11
Number of bytes
Register address Word count
in device name
B900 hex 0020 hex
Description
Byte 8 Byte 9 Byte 10 Byte 11
Register address Word count
B900 hex 0020 hex
Description
Byte 6 Byte 7 Byte 8
Unit Function Exception
identifier code code
FF hex 90 hex 1 byte
Description
Section 7
Byte 12 Byte 13 ··· Byte 76
Device name
40 hex 64 bytes
RFID System
User's Manual
(Modbus TCP)
175