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Section 3 Communications Commands
RFID System
User's Manual
Section 3
Commands
EXPANSION DIVIDED READ (XR)
This command divides and reads up to 2 Kbytes of data. If the Data Carrier is not in communications
range, an error response (end code: 72 = Data Carrier non-existent) will be returned. The host device
cannot send commands to the Hand-held Reader Writer until all the responses have been received.
When the read data is within 250 characters.
Data setting Sets the code format used to send responses for read data.
A: ASCII
H: Hexadecimal code
Processing area number
setting
Always 1.
Read area start address Specifies the start address of the area in the Data Carrier to be read from in 4-digit hexadecimal
code.
Setting range: 0000h to 1FFFh
Number of read bytes Specifies the number of bytes to be read from the Data Carrier in 4-digit hexadecimal.
The maximum number of bytes that can be read at one time is 2,048 bytes.
Setting range: 0001h to 0800h
•ASCII: 2,048 bytes (2,048 characters)
•Hexadecimal code: 2,048 bytes (4,096 characters)
End code Indicates the execution result for the command.
The end code 00 indicates normal completion.
For details on end codes, refer to End code List.
p.95
Read data Indicates the data read from the Data Carrier.
The characters in ASCII indicate the number of read bytes and the characters in hexadecimal code
indicate the number of read bytes x 2.
Command
××
Command
code
XR
××
A/H 1
××
Data
setting
Processing
area
number
setting
211 4
4
Number of
read bytes
Read area
start address
2
CR
Terminator
××
Response
×
Command
code
XR
×
00
××
22 n
2
CR
Terminator
Read dataEnd code
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