Omron V600 Series - Page 99

97
RFID System
Operation Manual
Section 5 Communications Commands
Section 5
Communications
AUTO WRITE (AW)
For AUTO WRITE, the ID Controller waits for a Data Carrier to approach and then writes data to Data
Carrier memory. The ID Controller will return a response to the host device when communications with
the Data Carrier have been completed.
■ 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
AW
xx
A/H 1/2
xx
211 4
Write data
Write area start address
2
*CR
n
xx
Terminator
Command code
Data code
specifica-
tion
R/W Head No.
Command
Response
Command code
AW
00
22
2
*CR
Terminator
End code