Omron V780 Series User Manual page 244

7 Modbus/TCP Communications
Parameter
Register address
Word count
• Error Response
Byte-0 Byte-1
Transaction identifier
X X
Parameter
Exception code
 Execution Examples
Example 1) When communicating with a tag where the lead word of the RF Tag UII (EPC code) is
TX: 00000000002DFF10C500001326000110020001123400...00
RX: 000000000006FF10C5000013
Example 2) Execution When Disabling RF Tag Selection Filter Conditions for the Reader/Writer
TX: 00000000002DFF10C50000132600000000000000000...00
RX: 000000000006FF10C5000013
7 - 92
The register address from the command is set.
The word count from the command is set.
Byte-2 Byte-3 Byte-4
Protocol identifier
0000 hex
For details, refer to Exception Code on page 7-7 under 7-2-3 Response Format for
Error Completion on page 7-7.
1234 hex using the RF Tag selection filter conditions of the Reader/Writer
Address: 1002 hex, Data length: 1 word, Data to check for: 1234 hex
Description
Byte-5 Byte-6
Field length Unit iden-
tifier
0003 hex FF hex
Description
UHF RFID System V780-series Reader/Writer User's Manual (Z389)
Byte-7 Byte-8
Function Excep-
code tion code
90 hex 1 byte