91
RFID System
Operation Manual
Section 5 Communications Commands
Section 5
Communications
■ 1:N Communications
Frame 1
Frame 2 and Later Frames
Data code specification Specifies the type of code in which the write data is being sent.
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
Write data The data to write to Data Carrier memory. Up to 2,048 bytes can be written with one command.
ASCII: 2,048 bytes (2,048 characters)
Hexadecimal: 2,048 bytes (4,096 characters)
Delimiter CR: Indicates the end of the frame when there is another frame.
Terminator *CR: Indicates the end of the frame when there is not another frame.
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
Command
code
xW
xx
A/H 1/2
xx
211 4
Write data
1 or 2
*CR
Terminator
n
xx
2
xx
FCS
3
Controller No.
x
@
x
Data code
specifica-
tion
Write area start address
R/W Head No.
xx
xxxx
Write data
1 or 2
*CR
Terminator
n
xx
2
xx
FCS
3
Controller No.
x
@
x
Command code
xW
00
22
2
*CR
Terminator
End code
2
xx
FCS
3
Controller No.
x
@
x