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Section 5 Communications Commands
RFID System
Operation Manual
Section 5
Communications
WRITE (WT)
For WRITE, the ID Controller writes data to Data Carrier memory. If there is no Data Carrier in the
communications area, an error response with an error code of 72 (Data Carrier missing) will be
returned.
■ 1:1 Communications
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 256 bytes can be written with one command.
• ASCII specification: 256 bytes (256 characters)
• Hexadecimal code specification: 256 bytes (512 characters)
Note: When using hexadecimal code, set two characters for each byte.
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
WT
xx
A/H
xx
211 4
Write data
2
*CR
Terminator
n
xx
1/2
Data code
specifica-
tion
Write area start address
R/W Head No.
Command code
WT
00
22
2
*CR
Terminator
End code