Omron V780 Series, Руководство пользователя

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7 Modbus/TCP Communications
7 - 46 UHF RFID System V780-series Reader/Writer User’s Manual (Z389)
 Function
This command writes data to the RF Tag in the communications range.
You can specify writing up to 2,048 words with one EXTENDED DATA WRITE command.
 Command Format
 Response Formats
• Normal Response
EXTENDED DATA WRITE
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
Subfunction code Write area start
address
X X 0000 hex 000C to 100A hex FF hex 64 hex 0002 hex 2 bytes
Byte-12 Byte-13 Byte-14 ...
Byte-n
+ n
Write size Data to write Options
2 bytes 1 to 2,048 words (2 to 4,096 bytes) 2 bytes
Parameter Description
Field length Setting range: 000C to 100A hex
Subfunction code 0002 hex: EXTENDED DATA WRITE
Write area start 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
Write size Specify in 4-digit hexadecimal the number of words of data to write.
Setting range: 0001 to 0800 hex (2,048 words max.)
Data to write The data to write
Options For details, refer to 7-3 RF Communications Command Options on page 7-10.
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
Subfunction code Error code
X X 0000 hex 2 bytes FF hex 64 hex 0002 hex 0000 hex
Byte-12 ... ... ... ... ... ... ... ... Byte-n
Options
0 to 70 bytes
StoredPC UII (EPC code) Reception level Diagnostic results Reader/Writer
Number
2 bytes 62 bytes 2 bytes 2 bytes 2 bytes