Omron V780 Series User Manual page 278

7 Modbus/TCP Communications
CLEAR SYSTEM ERROR LOG
 Function
This command clears the log of system errors (fatal errors) that is stored in the Reader/Writer.
 Command Format
Byte-0 Byte-1
Transaction identi-
fier
X X
Byte-12 Byte-13
Byte Clear type
count
02 hex 2 bytes
Parameter
Register address
Word count
Byte count
Clear type
 Response Formats
• Normal Response
Byte-0 Byte-1
Transaction identi-
fier
X X
Parameter
Register address
Word count
• Error Response
Byte-0 Byte-1
Transaction identi-
fier
X X
Parameter
Exception code
 Execution Examples
Execution to Clear the System Error Log in the Reader/Writer
TX: 000000000009FF10D7000001020000
RX: 000000000006FF10D7000001
7 - 126
Byte-2 Byte-3 Byte-4
Protocol identifier Field length
0000 hex 0009 hex
Byte-14
The register address (D700 hex) that specifies clearing the system error log infor-
mation
Number of words for the clear type (0001 hex)
Number of bytes for the clear type (02 hex)
0000 hex: Clear all
Byte-2 Byte-3 Byte-4
Protocol identifier Field length
0000 hex 0006 hex
The register address from the command is set.
The word count from the command is set.
Byte-2 Byte-3 Byte-4
Protocol identifier Field length
0000 hex 0003 hex
For details, refer to Exception Code on page 7-7 under 7-2-3 Response Format for
Error Completion on page 7-7.
Byte-5 Byte-6 Byte-7
Unit Function
identifier code
FF hex 10 hex
Description
Byte-5 Byte-6 Byte-7
Unit Function
identifier code
FF hex 10 hex
Description
Byte-5 Byte-6 Byte-7
Unit Function
identifier code
FF hex 90 hex
Description
UHF RFID System V780-series Reader/Writer User's Manual (Z389)
Byte-8 Byte-9 Byte-10 Byte-11
Register address Word count
D700 hex 0001 hex
Byte-8 Byte-9 Byte-10 Byte-11
Register address Word count
D700 hex 0001 hex
Byte-8
Excep-
tion code
1 byte