Omron V600 Series User Manual page 65

■ Setting Write Protection Function
■
Write Protection Setting Examples (2-Kbyte Memory Data Carrier)
(1)Settings to Write-protect Addresses 0015H to 0120H
(Start address < End address)
Address Bit 7
1
0002
H
0
0003
H
0
0004
H
0
0005
H
(2)Settings to Write-protect 1 Byte
(Start address = End address)
Specify the same address for the start and end addresses.
(3)Settings when the End Address Is Greater than the Final Ad-
dress in the Data Carrier
(End address > 07FFH)
The Data Carrier memory area is from addresses 0000H to 07FFH.
Therefore, the addresses up to 07FFH will be write-protected.
(4)Settings when the Start Address Is Greater than the End Ad-
dress
(Start address > End address)
The area between 0006H and the end address and the area
between the start address and 07FFH will be write-protected.
■
Canceling Write Protection
To cancel write protection, set the most significant bit of address 0002H to 0. The write protection will be
cancelled, and the start and end addresses that are set in 0002H to 0005H will be ignored.
A lithium battery is built into SRAM Data Carriers with built-in batteries and may occasionally
cause serious injury due to combustion, explosion, or burning. Dispose of the Product as
industrial waste and never disassemble it, expose it to pressures that would distort it, heat it
to temperatures above 100C, or incinerate it.
6 5 4 3 2 1 0
0 0 0 0 0 0 0
8 0 (HEX)
0 0 1 0 1 0 1
1 5
0 0 0 0 0 0 1
0 1
0 1 0 0 0 0 0
2 0
WARNING
Section 4
Function
Address
0000
0015
to
Write-protected area
0120
07FF
Write-protected area
1 byte
0000
Write-protected area
07FF
0000
0006
End address
Start address
07FF
RFID System
Operation Manual
63