40
Types of Commands and Responses
Section 4-4
4-4-9
Command Processing Terminating Command (AA)
Terminates the processing of the commands other than the polling commands
and restores the command wait status. Can also terminate the communica-
tion of frames of an expansion command.
Command Format
Response Format
4-4-10 Data Check Command (MD C/K)
Writes a CRC code and executes data collation in a check block specified by
the user. A CRC code is calculated with the generating function X
16
+ X
12
+
X
5
+1. The number of check block bytes required is the number of bytes of the
check code calculation area plus two bytes. Refer to 5-5 Checking Function of
the Data Carrier’s Memory for details.
1-to-1 Procedure
Command Format
Response Format
A A CR
Header
∗
Terminator
A A X X CR
Header
Terminator
∗
End code
End code
Meaning
14
Processing of auto or ordinary command is not executed.
75
Expansion command has not been received yet, sync input has not become active yet, or command
execution has been terminated before DC is detected.
76
When DC read/write processing is terminated.
M D C/K 1 X X X X X X CR
Header
Processing specification
(C: Collation; K: Calculation)
Read/Write head word (fixed to 1)
Check block first address
Specifies a hexadecimal value
(03
H
, 04
H
,..., FE
H
, FF
H
, 00
H
) for
the number of overwriting opera
tions to be added.
00
H
means 256 bytes.
∗
M D 0 0 CR
∗
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)
Header
Summary of Contents for V600 RFID System
Page 1: ...OPERATION MANUAL Cat No Z193 E1 01 Board Type ID Controller V600 RFID System V600 CM1D...
Page 2: ...V600 RFID System V600 CM1D Board Type ID Controller Operation Manual Produced December 2003...
Page 3: ...iv...
Page 7: ...viii...
Page 10: ...xii...
Page 16: ...6 User I O Section 1 4...
Page 24: ...14 Outline Size Section 2 5...
Page 60: ...50 Communication Time Section 4 6...
Page 82: ...72 Index...
Page 84: ...74 Revision History...
Page 87: ...V6001 RFID System V600 CM1D Board Type ID Controller Cat No Z193 E1 01 OPERATION MANUAL...