Omron V680-CA5D01-V2 User Manual page 197

SECTION 5
Communications
AUTO READ (AR)
The AUTO READ command Reads data from Tag memory when the Tag approaches. The ID
Controller will return a response when communications with the Tag have been completed.
1:1 Protocol
Command
Data
Command desig-
code
nation
A R A/H
2 1
Data designation
Antenna designation
Read area start address
No. of bytes to read
Response
Command
code End code
0
A R
2
End code
Read data
RFID System
194
User's Manual
Antenna
designation
Read area start
No. of bytes to
address read
× ×
× × × ×
1/2
1 4 2
Specifies the code format when sending the read data response.
"A": ASCII
"H": Hexadecimal
Specifies the Antenna with which to communicate.
"1": Antenna 1
"2": Antenna 2
Specifies the start address of the area in the Tag from which data is to be read from in 4-digit
hexadecimal.
Setting range: 0000
Specifies the number of bytes of data to read from the Tag in 2-digit hexadecimal.
Up to 256 bytes can be read with one command.
Setting range: 00
• ASCII: 256 bytes (256 characters)
• Hexadecimal: 256 bytes (512 characters)
Read data Terminator
× ... ×
× × *
0
2 n
Indicates the execution result for the command.
"00" indicates a normal end.
Refer to List of End Codes for information on other end codes.
p. 235
The data read from the Tag.
The number of characters will be the same as the specified number of bytes to read for ASCII
data and twice that number for hexadecimal data.
Terminator
*
CR
2
to FFFF
H H
to FF Specify 00H for 256 bytes.)
H (
CR
2