103
RFID System
Operation Manual
Section 5 Communications Commands
Section 5
Communications
■ 1:N Communications
Data code specification Specifies the type of code in which to send the read data in the response.
A: ASCII
H: Hexadecimal
R/W Head No. Specifies the Read/Write Head with which to communicate.
1: Read/Write Head 1
2: Read/Write Head 2
Write area start address Specifies the first address to which to write data to the Data Carrier as a four-digit hexadecimal
number.
Specifiable range: 0000H to FFFFH
No. of write bytes When specifying in odd bytes, this writes the 1 digit prior to the designated data for ASCII code
specification, or the 2 digits of the designated data for hexadecimal specification, to the last 1 byte
of data in the Data Carrier.
Specifiable range: 01H to FFH, 00H (The maximum of 256 bytes will be written if 00H is specified.)
Specified data The data to write to Data Carrier memory.
• ASCII specification: Specify 2 bytes.
• Hexadecimal code specification: Specify 4 bytes.
End code Indicates the results of command execution. An end code of 00 is returned for a normal end.
Refer to End Codes for more information.
p.135
xx
AF
xx
A/H
xx
211 4
2
1/2
xx
xx
2 or 4
3
2
*CR
2
xx
FCS
x
@
x
Controller No.
No. of write
bytes
Specified data
Terminator
Command code
Write area start address
Data code
specifica-
tion
R/W Head No.
Command code
AF
00
22
2
*CR
Terminator
End code
2
xx
FCS
3
Controller No.
x
@
x