Omron V680-CA5D01-V2 User Manual page 182

1:N Protocol
Command
Antenna
designation
Data
Command
desig-
Controller No. code
nation
× ×
@ R D A/H 1/2
3 2 1
Data designation
Antenna designation
Read area start address
No. of bytes to read
Response
Command
End code
Controller No.
code
× ×
0
@ R D
3 2 2
End code
Read data
Read area start No. of bytes
address to read
× × ×
× ×
×
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 to FFFF
H H
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.
• ASCII: 256 bytes (256 characters)
• Hexadecimal: 256 bytes (512 characters)
Setting range: 00 to FF (Specify 00H for 256 bytes.)
H H
Read data
FCS
... × ×
× × × ×
0
n 2
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.
FCS
Terminator
× ×
*
CR
2 2
Terminator
* CR
2
SECTION 5
Communications
RFID System
179
User's Manual