Omron V680S Series, User Manual

Page: 197 / 344

Se
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n 7
Me
ss
age
Det
a
ils
Section 7
Host Communications Specifications
195
RFID System
User's Manual
(Modbus TCP)

GET MAC ADDRESS
This query reads the MAC address from the Reader/Writer.

Query Format

Response Format
Normal Response
Error Response

Execution Example
Reading the MAC Address When It Is 11-22-33-44-55-66
TX: 000000000006FF03C2000003
RX: 000000000009FF0306112233445566
Parameter Description
Register address The register address (C200 hex) that specifies the MAC address.
Word count The number of words in the MAC address to read (0003 hex)
Parameter Description
Byte count The number of bytes in the MAC address that was read (06 hex)
MAC address Contains the MAC address that was read as a 12-digit hexadecimal between 000000000000 and
FFFFFFFFFFFF hex.
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 C200 hex 0003 hex
Byte 0 Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6 Byte 7 Byte 8 Byte 9 ··· Byte 14
Transaction
identifier
Protocol
identifier
Field length
Unit
identifier
Function code Byte count MAC address
X X 0000 hex 0009 hex FF hex 03 hex 06 hex 6 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