117
RFID System
Operation Manual
Section 5 Communications Commands
Section 5
Communications
■ 1:N Communications
Refer to Data Carrier Memory Check Function for details on memory checks.
p.68
Process specification Specifies the check processing to perform.
C: Compare check code
K: Calculate check code
R/W Head No. Specifies the Read/Write Head with which to communicate.
1: Read/Write Head 1
2: Read/Write Head 2
Check block start address Specifies the first address of the check block as a four-digit hexadecimal number.
Specifiable range: 0000H to FFFDH
No. of check block bytes Specifies the number of bytes in the check block as a two-digit hexadecimal number.
Specifiable range: 00H and 03H to FFH (The maximum of 256 bytes will be read if 00H is speci-
fied.)
Specify two bytes more than the number of bytes in the area for which the check code is calcu-
lated.
Refer to Data Carrier Memory Check Function for details.
p.68
End code Indicates the results of command execution.
00: Normal end
75: Data normal (only when comparing check codes)
76: Data error warning (only when comparing check codes)
Refer to End Codes for more information.
p.135
xx
MD
xx
C/K 1/2
xx
211 4
2
*CR
2
2
xx
FCS
3
Controller No.
x
@
x
Command code
Check block start address
Terminator
No. of check
block bytes
Process
specifi-
cation
R/W Head No.
Command code
MD
xx
22
2
*CR
Terminator
End code
2
xx
FCS
3
Controller No.
x
@
x