Omron V680S Series User Manual page 45

 Recent Error Query Log
The record in the recent error query log consists of 250 bytes in the format that is shown in the
following table. Only one record is ever recorded in the recent error query log. To read the recent error
query log, either send a GET RECENT ERROR QUERY INFORMATION query or read it from a
browser.
Refer to GET RECENT ERROR QUERY INFORMATION in Section 5 Host Communications Specifications for details
on the GET RECENT ERROR QUERY INFORMATION query.
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Bytes 1 to 4
Operating time when error
occurred
4 bytes
Byte 13 Byte 14
Communications
Exception code
query information size
1 byte
 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.
 Error Code
This code identifies the nature of the error.
Refer to Error Codes in Section 5 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.
 Exception Code
This is the exception code in the response that was returned by the Reader/Writer.
 Communications Query Information Size
This size gives the valid byte size of the communications query information field.
 Communications Query Information
This is all of the frame data for the query that was received by the Reader/Writer.
Bytes 5 to 8
IP address of query source
4 bytes
Bytes 15 to 252
Communications query information
1 byte 236 bytes
Range specified with the communications query information size.
Names and Functions of Components
Bytes 9 to 10 Bytes 11 to 12
Error source device
Error code
2 bytes
Section 2
information
2 bytes
RFID System
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User's Manual