Omron V780 Series, Руководство пользователя

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7 Modbus/TCP Communications
7 - 28 UHF RFID System V780-series Reader/Writer User’s Manual (Z389)
 Function
This command writes data to the RF Tag in the communications range.
 Command Format
 Response Formats
• Normal Response
Note If the reception level is required, use GET RF TAG ADDITIONAL INFORMATION on page 7-131.
• Error Response
DATA WRITE
Byte-0 Byte-1 Byte-2 Byte-3 Byte-4 Byte-5 Byte-6 Byte-7 Byte-8 Byte-9
Byte-1
0
Byte-11
Transaction identi-
fier
Protocol identifier Field length Unit
identifier
Function
code
Register address Word count
X X 0000 hex 2 bytes FF hex 10 hex 2 bytes 2 bytes
Byte-12 Byte-13 … Byte-n
Byte
count
Data to write
1 byte 1 to 120 words
Parameter Description
Field length Setting range: 0009 to 00F7 hex (9 to 247)
Register address Specify in 4-digit hexadecimal the start address for writing data in the RF Tag.
Setting ranges (word address specifications)
0000 to 07FF hex: Reserved area
1000 to 17FF hex: UII (EPC) area
2000 to 27FF hex: TID area
3000 to 3FFF hex: User area
Word count Specify in 4-digit hexadecimal the number of words of data to write.
Setting range: 0001 to 0078 hex (120 words max.)
Byte count Specify in 4-digit hexadecimal the number of bytes of data to write.
Setting range: 02 to F0 hex (240 bytes max.)
Data to write Specify the data to write to RF Tag.
Between 1 and 120 words of data can be written with one command.
Byte-0 Byte-1 Byte-2 Byte-3 Byte-4 Byte-5 Byte-6 Byte-7 Byte-8 Byte-9 Byte-10 Byte-11
Transaction identi-
fier
Protocol identifier Field length Unit
identifier
Function
code
Register address Word count
X X 0000 hex 0006 hex FF hex 10 hex 2 bytes 2 bytes
Parameter Description
Register address The register address from the command is set
Word count The word count from the command is set.
Byte-0 Byte-1 Byte-2 Byte-3 Byte-4 Byte-5 Byte-6 Byte-7 Byte-8
Transaction identi-
fier
Protocol identifier Field length Unit
identifier
Function
code
Excep-
tion code
X X 0000 hex 0003 hex FF hex 90 hex 1 byte