Omron V680S Series User Manual page 59

 Getting Communications Diagnostic Results
1.
Use the GET COMMUNICATIONS DIAGNOSTIC INFORMATION query to get the diagnostic results.
 Query Format
Byte 0 Byte 1 Byte 2
Transaction
Protocol identifier
identifier
X X
 Response Format
Normal Response
Byte 0 Byte 1 Byte 2
Transaction
Protocol identifier
identifier
X X
Byte 9 ··· Byte 12 Byte 13 Byte 14 Byte 15
Communications
Operating time Query type
4 bytes 2 bytes
Communications diagnostic information
Parameter Size
Operating time 4 bytes Contains the system operating time for communication diagnostic in 8-digit hexadecimal.
Query type 2 bytes Contains the query type for communication diagnostic in 4-digits hexadecimal.
Communications 2 bytes Contains the error code for communication diagnostic in 4-digits hexadecimal.
result
Diagnostic result 2 bytes Contains the result for communication diagnostic in 4-digits hexadecimal.
Byte 3 Byte 4 Byte 5
Field length
0000 hex
0006 hex
Byte 3 Byte 4 Byte 5
Field length
0000 hex 001F hex
Byte 16 Byte 17 Byte 18 Byte 19 Byte 20
Diagnostic result Send power level
result
2 bytes 2 bytes 2 bytes
00000000 to FFFFFFFF hex (unit: ms)
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
(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
0000 hex : Normal communications
0001 hex : Insufficient power to send
0002 hex : Insufficient power to receive
0003 hex : Too much noise
0004 hex : Insufficient signal-to-noise ratio.
 The value is 0000 hex (fixed) when the communications result shows normal communications.
 If a communications precaution is given for the communications result, the result indicates the
cause.
Names and Functions of Components
Byte 6 Byte 7 Byte 8
Unit
Function code Register address
identifier
FF hex 03 hex CA00 hex
Byte 6 Byte 7 Byte 8
Unit Function
Byte count
identifier code
FF hex 03 hex 1C hex
Byte 21 Byte 22 Byte 23 Byte 24 Byte 25 Byte 26
Receive power
Noise level Power level
level
2 bytes 2 bytes 2 bytes
Description
Section 2
Byte 9 Byte 10 Byte 11
Word count
0000 hex
···
Byte 9 Byte 36
Communications diagnostic information
(28 bytes)
Byte 27 ··· Byte 34 Byte 35 Byte 36
Tag ID data (Reserved)
8 bytes 2 bytes
RFID System
User's Manual
57