Omron V780 Series User Manual page 208

7 Modbus/TCP Communications
RESET FOCUS
 Function
This command initializes the target level information of all the RF Tags that are being monitored by
the Reader/Writer in Focus Mode.
 Command Format
Byte-0 Byte-1
Transaction identi-
fier
X X
Byte-12 Byte-13
Byte Options
count
02 hex 0000 hex
Parameter
Register address
Word count
Byte count
Options
 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 Initialize Target Levels of All RF Tags Monitored by Reader/Writer in Focus Mode
TX: 000000000009FF10A3000001020000
RX: 000000000006FF10A3000001
7 - 56
Byte-2 Byte-3 Byte-4
Protocol identifier Field length
0000 hex 0009 hex
Byte-14
The register address (A300 hex) that specifies resetting the focus
The number of words for the option (0001 hex)
The number of option bytes (02 hex)
0000 hex: No options
Byte-2 Byte-3 Byte-4 Byte-5
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-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
A300 hex 0001 hex
Byte-8 Byte-9 Byte-10 Byte-11
Register address Word count
A300 hex 0001 hex
Byte-8
Excep-
tion code
1 byte