User`s manual

94
Section 3
V600 Commands
RFID System
User's Manual
Section 3
Commands
■ OVERWRITE COUNT CONTROL (MDS)
This command is used to control the number of overwrite operations performed by EEPROM ID 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 MDS Command.
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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 MDS Command.
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End code Indicates the execution result for the command.
00: Normal completion
76: Data error warning
For details on end codes, refer to End code List.
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Command
××
MD
××
S1
××
211 4
2
CR
2
Mode
setting
Decrement
count
Command
code
Area start address
Processing
area
number
setting
Terminator
Response
MD
00
22
2
CR
Command
code
TerminatorEnd code