Omron V680S-HMD63-ETN User Manual page 202

Section 7
Host Communications Specifications
 GET COMMUNICATIONS DIAGNOSTIC INFORMATION
This query gets the most recent communications diagnostic information.
The communications diagnostic information is not returned if communication diagnostic is disabled.
 Query Format
Byte 0 Byte 1
Transaction
identifier
X X
Parameter
Register address
Word count
 Response Format
Normal Response
Byte 0
Transaction
identifier
X
Byte 9 ··· Byte 12 Byte 13
Operating time
4 bytes
Parameter
Byte count
Communications diagnostic
information
RFID System
200
User's Manual
(Modbus TCP)
Byte 2 Byte 3 Byte 4 Byte 5
Protocol identifier Field length
0000 hex 0006 hex
The register address (CA00 hex) that specifies reading the communication diagnostic information
The number of words in the communication diagnostic setting to read (000E hex)
Byte 1 Byte 2 Byte 3 Byte 4
Protocol identifier
X 0000 hex
Byte 14 Byte 15 Byte 16 Byte 17 Byte 18
Communications
Query type Diagnostic result
result
2 bytes 2 bytes 2 bytes
The number of bytes in the communication diagnostic information that was read (1C hex)
The information will be all zeros if communication diagnostic is enabled and there are no
communications diagnostic results.
The information will be all zeros if communication diagnostic is disabled.
Operating time Contains the system operating time for communication diagnostic in 8-digit hexadecimal.
00000000 to FFFFFFFF hex (unit: ms)
Query type Contains the query type for communication diagnostic in 4-digits hexadecimal.
0001 hex : READ ID
0002 hex : READ DATA
0003 hex : WRITE DATA
0004 hex : LOCK
0005 hex : DATA FILL
0006 hex : RF TAG OVERWRITE COUNT CONTROL
0007 hex : RESTORE DATA
0008 hex : COPY DATA
Communications Contains the error code for communication diagnostic in 4-digits hexadecimal.
result (This is the upper word of the end code in response to the RF Tag communications query.)
0000 hex : Normal end
0003 hex : Communications precaution
2001 hex : RF Tag missing error
2002 hex : RF Tag communications error
2003 hex : Tag ID mismatch error
2004 hex : RF Tag address error
2005 hex : RF Tag lock error
2006 hex : RF Tag verification error
2007 hex : RF Tag data lost error
2008 hex : RF Tag system error
2009 hex : RF Tag overwriting error
Byte 6 Byte 7 Byte 8 Byte 9
Unit
Function code Register address
identifier
FF hex 03 hex CA00 hex
Description
Byte 5 Byte 6 Byte 7
Unit Function
Field length
identifier code
001F hex FF hex 03 hex
Byte 19 Byte 20 Byte 21 Byte 22 Byte 23
Receive power
Send power level Noise level
level
2 bytes 2 bytes 2 bytes
Description
Byte 10 Byte 11
Word count
000E hex
···
Byte 8 Byte 9
Byte count Communications diagnostic information
1C hex (28 bytes)
Byte 24 Byte 25 Byte 26 Byte 27 ··· Byte 34
Power level Tag ID data
2 bytes 8 bytes
Byte 36
Byte 35 Byte 36
(Reserved)
2 bytes