Omron V780 Series, User Manual

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6 Functions
UHF RFID System V780-series Reader/Writer User’s Manual (Z389)
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mmunications Commands
This command reads data from the memory of an RF Tag in the communications range.
• Specify the read start address and read size to specify the range to read.
• You can read up to 2,048 words (4 Kbytes) from each RF Tag memory bank.
• You cannot read data from more than one RF Tag memory bank at the same time.
• The actual address range that you can read from depends on the type of RF Tag that you use.
• With one command, you can read up to 120 words for the normal command and up to 2,048 words
for the extended command.
• The following table shows the communications modes that you can specify for DATA READ.
Supported: Can be specified, Not supported: Cannot be specified.
This command writes data to the memory of the RF Tag in the communications range.
• Specify the write start address and write size to specify the range to write.
• You can write up to 2,048 words (4 Kbytes) from each RF Tag memory bank.
• You cannot write data to more than one RF Tag memory bank at the same time.
• The actual address range that you can write to depends on the type of RF Tag that you use.
• With one command, you can write up to 120 words for the normal command and up to 2,048 words
for the extended command.
• The following table shows the communications modes that you can specify for DATA WRITE.
Supported: Can be specified, Not supported: Cannot be specified.
This command reads the PC and UIIs (EPC codes) of the RF Tag in the communications range.
• The following data is read and is always 32 words: StoredPC field (1 word) and UII (EPC) field (31
words).
• The following table shows the communications modes that you can specify for ID READ.
Supported: Can be specified, Not supported: Cannot be specified.
DATA READ
Once Auto Focus Remarks
Supported Supported Supported
DATA WRITE
Once Auto Focus Remarks
Supported Supported Supported
ID READ
Once Auto Focus Remarks
Supported Supported Supported