Omron V680 Series User Manual

Section 6 Error Logs
Section 6
Functions
115
RFID System
User's Manual
(Modbus TCP)
Communications Error Log
Each record in the communications error log consists of 24 bytes in the format that is shown in the
following table. Up to eight records are recorded. To read the communication error log, either send a
GET COMMUNICATIONS ERROR LOG query or read it from a Web browser.
Refer to GET COMMUNICATIONS ERROR LOG in Section 7 Host Communications Specifications for details on the GET
COMMUNICATIONS ERROR LOG query.
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 Operating Time When Error Occurred
This is the operating time when the Reader/Writer returned the error response to the host device after
the error occurred.
 IP Address of Query Source
This is the IP address of the host device that sent the query.
 Transaction Identifier
This is the transaction identifier of the query that was received by the Reader/Writer.
 Function Code
This is the function code in the query that was received by the Reader/Writer.
 Register Address
This is the register address in the query that was received by the Reader/Writer.
 Exception Code
This is the exception code in the response that was returned by the Reader/Writer.
 Error Code
This code identifies the nature of the error.
Refer to Error Codes in Section 7 Host Communications Specifications for the meanings of the error codes.
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 Error Source Device Information
If the error occurs in the Reader/Writer after receiving a query from the host device, the error source
device information is set to 0000 hex. If the COPY DATA query is sent and the error occurred at the
copy destination Reader/Writer, the error source device information is set to 0001 hex.
 Reserved
Reserved fields are always 00 hex.
Bytes 1 to 4 Bytes 5 to 8 Bytes 9 to 10 Bytes 11 to 12
Operating time when error occurred IP address of query source Transaction identifier Reserved.
4 bytes 4 bytes 2 bytes 2 bytes
Byte 13 Byte 14 Bytes 15 and 16 Byte 17 Bytes 18 to 20 Bytes 21 and 22 Bytes 23 and 24
Function code Reserved. Register address Exception code Reserved. Error code
Error source device
information
1 byte 1 byte 2 bytes 1 byte 3 bytes 2 bytes 2 bytes

Omron V680 Series Specifications

General

Brand	Omron
Model	V680 Series
Category	Other
Language	English