Omron V680-CA5D01-V2 User Manual page 89

SECTION 4
Functions
3.
Set the write protection setting of the ID Tag.
Setting Write Protection for V600 EEPROM Models
(Setting the V600 Write Protection Method and Using the V680-D1KP@@)
When the end address for write protection is written into ID Tag address 0000
0001 to the end address is write-protected.
H
The most significant bit of ID Tag address 0000
For this reason, addresses from 0080
When the end address is set to 00, the area from address 0001
The V600 EEPROM write protection method and the V600 S-RAM write protection method can be used only on ID Con-
trollers that are version 2.1 or newer. For details on Checking the Version, refer to page 17.
Memory Map for V600 EEPROM ID Tag Write Protection Settings
Address
0000
H
• Most Significant Bit of Address 0000
1: Write-protected (Enabled)
0: Not write-protected (Disabled)
• Area in Which the End Address Can Be Set
End address: 00
To use write protection, one operation to write to the write protection setting area (address 0000
ation to write to other addresses (address 0001
bit of address 0000
settings area and other addresses in the ID Tag.
Example of Write Protection
Write Protecting Addresses 0001
Address
0000
H
Setting 00 as the End Address
All addresses except address 0000
Address
0000
H
The write protection setting area of the ID Tag cannot be write-protected.
RFID System
86
User's Manual
H
Bit 7 6 5 4
Enable/
disable
H
, 01 to 7F
H H H
is 1 and a write operation is performed that includes both addresses in the ID tag write protection
H
to 0012
H
Bit 7 6 5 4 3
1 0 0 1 0
9
H
Bit 7 6 5 4 3
1 0 0 0 0
8
is used to enable or disable write protection.
H
to 03E7 cannot be used as end addresses.
H
H
3 2 1 0
End address
hex or higher). A write protection error will occur if the most significant
H
H
2 1 0
0 1 0
2
will be write-protected.
2 1 0
0 0 0
0
, the area from address
H
to 03E7 is write-protected.
) and a separate oper-
H
Address
0000
H
Write-
protected
area
0012
H
03E7
H
Address
0000
H
Write-
protected
area
03E7
H