107
RFID System
User's Manual
Section 3
V600 Commands
Section 3
Commands
OVERWRITE COUNT CONTROL (MDS)
This command is used to control the number of overwrite operations performed by EEPROM RF Tags.
This command determines whether the EEPROM overwrite count has been exceeded when the speci-
fied number of overwrites is subtracted from the specified overwrite count control area data.
For details on controlling the overwrite count, refer to
.
Mode setting
Always S.
Processing area number
setting
Always 1.
Area start address
Specifies the start address of the overwrite count control area in 4-digit hexadecimal.
Setting range: 0000 to FFFD hex
Decrement count
Specifies the number of refresh operations in 2-digit hexadecimal.
Setting range: 00 to FF hex (00 = Performs overwrite count check only)
If the decrement count is larger than the remaining number of overwrite operations, the decrement
count is overwritten to 0 and a data error warning is returned in the response.
For details, refer to
.
End code
Indicates the execution result for the command.
00: Normal completion
76: Data error warning
For details on end codes, refer to
Command
×
×
M
D
×
×
S
1
×
×
2
1
1
4
2
C R
2
Mode
setting
Decrement
count
Command
code
Area start address
Processing
area
number
setting
Terminator
Response
M
D
0
0
2
2
2
C R
Command
code
Terminator
End code
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