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6 Functions
ID WRITE
This command writes the UII (EPC code) of the RF Tag in the communications range.
• The code to write to the UII (EPC) field is specified with the write size and write data (1 to 31 words).
• The value specified for the write size is written as the UII (EPC) length in the StoredPC field.
• The following table shows the communications modes that you can specify for ID WRITE.
Once
Supported
Supported: Can be specified, Not supported: Cannot be specified.
LOCK
This command locks the memory of the RF Tag in the communications range.
Use this command to write-protect the data in an RF Tag.
• Specify locking or unlocking for the lock operation.
• You can specify the UII (EPC) area, TID area, user area, or access password area as the area to lock
or unlock.
• When an area is locked, the specified access password is written to the access password area in the
RF Tag.
• A locked UII (EPC) area, TID area, or user area cannot be written to without specifying the access
password.
• A locked access password area cannot be read or written to without specifying the access password.
• To unlock an area, the access password stored in the RF Tag must be specified.
• The following table shows the communications modes that you can specify for LOCK.
Once
Supported
Supported: Can be specified, Not supported: Cannot be specified.
DATA FILL
This command writes the specified data to the specified number of words beginning from the specified
write start address. The specifications are made in the command.
• The range to write is specified with the fill start address and fill size (2,048 words max.).
• The fill data specifies the value to write (2 bytes).
• If 0 is specified for the fill size, the entire memory bank is written.
• You cannot write data to more than one RF Tag memory bank at the same time.
• The actual address range that you can initialize depends on the type of RF Tag that you use.
• The following table shows the communications modes that you can specify for DATA FILL.
Once
Supported
Supported: Can be specified, Not supported: Cannot be specified.
6 - 16
Auto
Supported
Supported
Auto
Supported
Supported
Auto
Supported
Supported
UHF RFID System V780-series Reader/Writer User's Manual (Z389)
Focus
Focus
Focus
Remarks
Remarks
Remarks
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