Omron V680S Series, User Manual

Page: 174 / 344

172
Se
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n 7
Me
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Det
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RFID System
User's Manual
(Modbus TCP)
Section 7
Host Communications Specifications

READ ID
This query reads the ID code from an RF Tag in the communications field.

Query Format

Response Format
Normal Response
Error Response

Execution Example
Reading the UID Data (1122334455667788 hex) from an RF Tag
TX: 000000000006FF03A0000004
RX: 00000000000BFF03081122334455667788
Parameter Description
Register address The register address (A000 hex) that specifies reading the ID.
Word count The number of words of data to read (0004 hex)
Parameter Description
Byte count The number of bytes in the UID data that was read from the RF Tag (08 hex)
Read data The UID data that was read from the RF Tag is attached.
Parameter Description
Exception code For details, refer to Exception Code Table in this section.
p.167
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 A000 hex 0004 hex
Byte 0 Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6 Byte 7 Byte 8 Byte 9 ··· Byte 16
Transaction
identifier
Protocol identifier Field length
Unit
identifier
Function
code
Byte
count
Read data
X X 0000 hex 000B hex FF hex 03 hex 08 hex 8 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 byte