Omron V780 Series User Manual page 290

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 Communications Diagnostic Information in the
Reader/Writer
Time information: 09:31:30, Command code: 0003 hex (DATA READ), Error code: 0000 hex (nor-
mal), Diagnostic results: Insufficient power to send (0001 hex), Diagnostic details: Insufficient power
to send + Insufficient power to receive (0003 hex), Reception level: -41 dBm (FFD7 hex), Noise
level: -70 dBm (FFBA hex), UII (EPC code): 11...11
TX: 000000000006FF03DC00002E
RX: 00000000005FFF035C 01091F1E 0003 0000 0001 0003 0000000000000000 FFD7
FFBA 00000000 30001111...11110000...0000
7 - 138
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 iden- Function
tifier code
FF hex 83 hex
Description
UHF RFID System V780-series Reader/Writer User's Manual (Z389)
Byte-8
Excep-
tion code
1 byte