Omron V780 Series, User Manual

Page: 290 / 398

7 Modbus/TCP Communications
7 - 138 UHF RFID System V780-series Reader/Writer User’s Manual (Z389)
• Error Response
 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
Byte-0 Byte-1 Byte-2 Byte-3 Byte-4 Byte-5 Byte-6 Byte-7 Byte-8
Transaction identi-
fier
Protocol identifier Field length Unit iden-
tifier
Function
code
Excep-
tion code
X X 0000 hex 0003 hex FF hex 83 hex 1 byte
Parameter Description
Exception code For details, refer to Exception Code on page 7-7 under 7-2-3 Response Format for
Error Completion on page 7-7.