Omron V780 Series User Manual page 282

7 Modbus/TCP Communications
• Error Response
Byte-0 Byte-1
Transaction identi-
fier
X X
Parameter
Exception code
 Execution Examples
Execution with the Following Most Recent Command Error Information in the Reader/Writer
Time information: 09:31:30, IP address: 192.168.1.121, Command code: 0004 hex (DATA WRITE),
Error code: 1005 hex (command parameter error), Attached information: None
TX: 000000000006FF03D900000C
RX: 00000000001BFF031801091F1EC0A8017800000004100500000000000000000000
7 - 130
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