Omron V600 User Manual page 104

Section 4
Functions
•SRAM Data Carriers (with Built-in Battery)
Setting Write Protect Function
The write protect function is set in the four bytes of addresses 0002H through 0005H of the Data
Carrier's memory. The status of the most significant bit of address 0002H determines whether or not
the write protect function is enabled.
Address
0002
0003
0004
0005
•Write-protect Bit (most significant bit of address 0002H)
1: Data is write-protected
0: Data is not write-protected
•Write Protect Setting Area
Start address: 0006H to 1FFFH
End address: 0006H to 1FFFH
Settings to write-protect addresses 0006H through 07FFH
Address
0002
0003
0004
0005
Settings to not write-protect addresses
Address
0002
0003
0004
0005
RFID System
102
User's Manual
Bit 7 6 5 4 3
Yes/
Upper two digits of start address
No
Lower two digits of start address
Upper two digits of end address
Lower two digits of end address
Bit Upper digit
1 0 0 0 0
8
0 0 0 0 0
0
0 0 0 0 0
0
1 1 1 1 1
F
Bit Upper digit
0 0 0 0 0
0
0 0 0 0 0
0
0 0 0 0 0
0
1 1 1 1 1
F
2 1 0
Lower digit
0 0 0
0
1 1 0
6
1 1 1
7
1 1 1
F
Lower digit
0 0 0
0
1 1 0
6
1 1 1
7
1 1 1
F