Omron V780 Series User Manual page 258

7 Modbus/TCP Communications
• Error Response
Byte-0 Byte-1
Transaction identi-
fier
X X
Parameter
Exception code
 Execution Examples
Execution When the Following NORM/ERR Indicator Lighting Colors Are Set for Command Execu-
tion by the Reader/Writer
Normal completion: Green, Error completion: Red, Unstable communications: Yellow
TX: 000000000006FF03B8000003
RX: 000000000009FF0306000100020003
7 - 106
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.
Byte-5 Byte-6 Byte-7
Unit Function
identifier code
FF hex 83 hex
Description
UHF RFID System V780-series Reader/Writer User's Manual (Z389)
Byte-8
Excep-
tion code
1 byte