Omron V780 Series User Manual page 210

7 Modbus/TCP Communications
Parameter
Register address
Word count
• Error Response
Byte-0 Byte-1
Transaction identi-
fier
X X
Parameter
Exception code
 Execution Examples
Execution to Set the Following TCP/IP Communications Conditions in the Reader/Writer
IP address setting method: Fixed, IP address: 192.168.1.200, Subnet mask: 255.255.255.0, Gate-
way address: 192.168.1.1
TX: 000000000015FF10B00000070E0000C0A801C8FFFFFF00C0A80101
RX: 000000000006FF10B0000007
7 - 58
The register address from the command is set.
The word count from the command is set.
Byte-2 Byte-3 Byte-4
Protocol identifier Field length
0000 hex 0003 hex
For details, refer to Exception Code on page 7-7 under 7-2-3 Response Format for
Error Completion on page 7-7.
Description
Byte-5 Byte-6 Byte-7
Unit Function
identifier code
FF hex 90 hex
Description
UHF RFID System V780-series Reader/Writer User's Manual (Z389)
Byte-8
Excep-
tion code
1 byte