Omron V680-CA5D01-V2 User Manual page 85

SECTION 4
Functions
2.
Set the write protection setting of the ID Tag.
When the start address and end address for write protection are written into ID Tag address 0000
0003 , the area from the start address to the end address is write-protected. The most significant bit of
H
address 0000
Memory Map for ID Tag Write Protection Settings
Address
0000
H
0001
H
0002
H
0003
H
• Most Significant Bit of Address 0000
1: Write-protected (Enabled)
0: Not write-protected (Disabled)
• Area in Tag Memory That Can Be Write Protected
Start address: 0004
End address: 0004
To use write protection, use one operation to write to the write protection setting area (addresses 0000
rate operation to write to other addresses (address 0004
significant bit of address 0000
settings area and other addresses in the ID Tag.
When write protection is not set in the write protection setting area (addresses 0000
setting area can be used for user memory. When the write protection setting area of the ID Tag is used for user memory, be sure
to disable the write protection setting of the ID Controller.
RFID System
82
User's Manual
is used to enable or disable write protection.
H
Bit 7 6 5
Enable/
Upper two digits of start address (00 to 7F)
disable
Lower two digits of start address (00 to FF)
Upper two digits of end address (00 to FF)
Lower two digits of end address (00 to FF)
H
to 7FFF
H H
to FFFF
H H
is 1 and a write operation is performed that includes both addresses in the ID tag write protection
H
4 3 2 1
or higher) in the ID Tag. A write protection error will occur if the most
H
to 0003
H
to
H
0
to 0003 ) and a sepa-
H H
) of the ID Tag, the write protection
H