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RFID System
User's Manual
(Modbus TCP)
Section 7
Host Communications Specifications
GET DEVICE NAME
This query reads the name that is set in the Reader/Writer.
Query Format
Response Format
Normal Response
Error Response
Execution Example
Reading the Device Name When It Is Set to V680S-A001
TX:000000000006FF03B9000020
RX:000000000043FF034056363830532A413030310000000000
···
00
Parameter
Description
Register address
The register address (B900 hex) that specifies the device name.
Word count
The number of words in the device name to read (0020 hex)
Parameter
Description
Byte count
The number of words in the device name that was read (40 hex)
Device name
The device name that was read is given 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, the remaining bytes are filled with 00 hex.
The device name is given with ASCII characters 20 hex (space) to 7E hex (~).
Parameter
Description
Exception code
For details, refer to
Byte 0
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
Byte 6
Byte 7
Byte 8
Byte 9
Byte 10 Byte 11
Transaction
identifier
Protocol identifier
Field length
Unit
identifier
Function
code
Register address
Word count
X
X
0000 hex
0006 hex
FF hex
03 hex
B900 hex
0020 hex
Byte 0
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
Byte 6
Byte 7
Byte 8
Byte 9
···
Byte 72
Transaction
identifier
Protocol
identifier
Field length
Unit
identifier
Function code
Byte count
Device name
X
X
0000 hex
0043 hex
FF hex
03 hex
40 hex
64 bytes
Byte 0
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
Byte 6
Byte 7
Byte 8
Transaction
identifier
Protocol identifier
Field length
Unit
identifier
Function
code
Exception
code
X
X
0000 hex
0003 hex
FF hex
83 hex
1 bytes