Omron V680S-HMD63-ETN User Manual page 192

Section 7
Host Communications Specifications
 GET COMMUNICATIONS ERROR LOG
This query reads the log of communications errors that have occurred in the Reader/Writer.
 Query Format
Byte 0 Byte 1
Transaction
identifier
X
Parameter
Register address
Word count
 Response Format
Normal Response
Byte 0 Byte 1 Byte 2 Byte 3
Transaction iden-
Protocol identifier
tifier
X X 0000 hex
Byte 11 ··· Byte 14 Byte 15
Operating time IP address of remote node
4 bytes
Number of bytes in recent error query
information
Number of record
Most recent
communications
error record
Error Response
Byte 0 Byte 1
Transaction
identifier
X
Parameter
Exception code
RFID System
190
User's Manual
(Modbus TCP)
Byte 2 Byte 3 Byte 4
Protocol identifier Field length
X 0000 hex 0006 hex
The register address (C600 hex) that specifies the communications error log information.
The number of words in the communications error log information to read (0061 hex)
Byte 4 Byte 5 Byte 6 Byte 7
Unit
Field length Function code
identifier
00C5 hex FF hex 03 hex
··· Byte 18 Byte 19 Byte 20 Byte 21
Transaction identi-
Reserved 1
fier
4 bytes 2 bytes 2 bytes
Parameter
Operating time
IP address of remote
node
Transaction identifier
Reserved 1
Function code
Reserved 2
Register address
Exception code
Reserved 3
End code
Byte 2 Byte 3 Byte 4
Protocol identifier Field length
X 0000 hex
For details, refer to Exception Code Table in this section.
p.157
Byte 5 Byte 6 Byte 7
Unit Function
identifier code
FF hex 03 hex
Description
Byte 8 Byte 9 Byte 10 Byte 11 ···
Most recent communications
Byte count Number of records
error record
C2 hex 1 word 10 words
Byte 22 Byte 23 Byte 24 Byte 25 Byte 26
Reserv
Function code Register address
ed 2
1 byte 00 hex 2 bytes
The number of bytes in the recent error query information that was read
(FA hex)
The number of record in the recent error query information that was read.
The operating time from when the Reader/Writer was started in 8-digits
hexadecimal (Unit: ms)
Contains the IP address where the error occurred in 4-digits hexadecimal.
Example: C0A801C8 hex (192.168.1.200)
Transaction identifier specified by the query when an error occurred.
This field is always 0000 hex.
Function code specified by the query when an error occurred.
This field is always 00 hex.
Register address specified by the query when an error occurred.
For details, refer to Exception Code Table in this section.
p.157
Always 000000 hex.
For details, refer to End Codes in this section.
p.157
Byte 5 Byte 6 Byte 7
Unit Function
identifier code
0003 hex FF hex 83 hex
Description
Byte 8 Byte 9 Byte 10 Byte 11
Register address Word count
C600 hex 0061 hex
Byte 31 ··· Byte 179 ··· Byte 202
Most recent communications
···
error record 7
··· 10 words
Byte 27 Byte 28 Byte 29 Byte 30 Byte 31
Excepti
Reserved 3 End code
on code
1 byte 3 bytes
Description
Byte 8
Exception
code
1 byte
··· Byte 34
4 bytes