Data Management Command (Mdl) - Omron V600-CD1D-V2 Operation Manual

Types of Commands and Responses
1-to-n Procedure
Command Format
@ Unit no
00 to 07
Header
Processing specification
(C: Collation; K: Calculation)
Read/Write head word
(fixed to 1)
Check block first address
Response Format
@ Unit no
00 to 07
Header

4-4-11 Data Management Command (MDL)

1-to-1 Procedure
Command Format
M D
Header
Read/Write head word
(fixed to 1)
First address specification
to jjj5 or jjj8
(jjj0
H H
to jjjD
)
H
Response Format
M D
Header
M D C/K 1 X
M D 0 0 FCS
End code
00: Normal completion (at the time of calculation processing only)
75: Normal data (at the time of collation processing only)
76: Data abnormal warning (at the time of collation processing only)
The MDL command checks whether or not the EEPROM of the Data Carrier has
been overwritten 100,000 times. By adding a number of overwriting operations
with this command to the management area specified by the user, whether or not
the EEPROM has been overwritten 100,000 times will be known. Refer to 5-4-2
EEPROM-type Data Carrier for details.
L 1 X X X
H
∗
7 5 CR
End code
75: The number of overwriting operations has not exceeded 100,000.
76: The number of overwriting operations has exceeded 100,000.
X X X X X
∗
∗
X X X CR
Specify a hexadecimal value (00
for the number of overwriting operations to be added.
Section
∗
FCS
Specify a hexadecimal value
(03 , 04 ,..., FE , FF , 00 ) for
H H H H H
the number of overwriting opera-
tions to be added.
00 means 256 bytes.
H
, 01 , 02 ,..., FF
H H H H
4-4
)
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