Omron V600 Operation Manual page 24

Data Carrier
Write-protect Setting
Examples (254-byte
Memory Data Carrier)
Cancelling Write Protection
Memory Capacity > 256 Bytes
Write-protect Setting
Procedure
Therefore, addresses 0080
00 is specified as an end address, addresses 0001
H
tected.
The area between addresses 0000
Address
0000
H H
If the end address is 00
tected.
Address
0000
H H
When the end address is 00
To cancel write-protection, set the most significant bit of address 0000
write-protect area specified in address 0000
the write-protect area will be cancelled.
Note 1. Address 0000
2. The write-protect start address is fixed at 0000
tect area starting from address 0000
Addresses 0002
H
write-protect area. Whether or not the write protect function is enabled is speci-
fied by the most significant bit of address 0002
To Enable Write Protect
Address
0002
H
0003
H
0004
H
0005
H
to 00FF cannot be specified as an end address. If
H H
and 0012
H
7 6 5
1 0 0
9
, the entire area except address 0000
H
7 6 5
1 0 0
8
H
cannot be write-protected.
H
.
H
to 0005 (four bytes) in the Data Carrier are used to set a
H
7 6 5
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
Section
to 00FF will be write-pro-
H H
is write-protected.
H
Bit
4 3 2 1
1 0 0 1
2
Write-protect area
is write-pro-
H
Bit
4 3 2 1
0 0 0 0
0
Write-protect area
H
will become invalid. Accordingly,
H
. Always specify a write-pro-
H
.
H
Bit
4 3 2 1
2-9
0
0
0
0
to 0. The
0
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