Omron V680-CA1D User Manual page 67

AUTO WRITE (AW)
This command writes data to the Tag when the Tag enters the communications area. The Controller
returns a response when communications between the Controller and Tag has been completed. The
host device cannot send other commands until either a response is received or processing is aborted
using the COMMAND PROCESSING ABORT (AA) command.
Command
Command
Controller No. code
× ×
@ A W
3 2
Name
Data type Specifies the code format for sending the write data to the Tag.
A: ASCII
H: Hexadecimal code
Antenna designation Always 1
Start address Specifies the start address of the area to which data is to be written in 4-digit hexadecimal code.
Setting range: 0000h to 03E7h
Write data Contains the data to be written to the Tag.
The number of bytes that can be written at one time is as follows:
Setting range
ASCII: 256 bytes (256 characters)
Hexadecimal code: 128 bytes (256 characters)
* When hexadecimal code is designated, specify two characters for each byte.
Response
Controller No. Command code
× ×
A W
@
2
3
Name
End code Indicates the execution result for the command.
• Example
Writing two bytes of data "1122" (hexadecimal code) from address 0010h of the Tag in the communica-
tions area to Controller No. 2.
Command
Command
Controller No. code
@ 0 2 A W
3 2
Response
Controller No. Command code
@ 0 2 A W
3 2
Data Antenna
type designation Start address
× × ×
A/H 1
1 1 4
End code FCS Terminator
× ×
*
0 0
2 2
Data Antenna
type designation Start address
H 1 0 0 1
1 1 4
End code FCS Terminator
*
0 0 5 4
2 2
Reading from/Writing to Tags
Write data
× × × × ×
n
Details
CR
2
Details
Write data
0 1 1 2 2
CR
2
Heat-resistive RFID System
Section 4
FCS Terminator
× × *
CR
2 2
FCS Terminator
∗
2 C CR
2 2
65
User's Manual