Omron V680-CA5D01-V2 User Manual page 187

SECTION 5
Communications
1:N Protocol
Command
Controller No.
×
×
@
3
Data designation
Antenna designation
Read area start address
No. of bytes to read
Response
Responses with 256 or Fewer Characters
Controller No.
×
×
@
3
End code
Read data
RFID System
184
User's Manual
Antenna
designation
Data
Command desig-
Read area start
code nation address
× ×
×
X R A/H 1/2
2 1 1 4
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 to read from the Tag in 4-digit hexadecimal.
Up to 2,048 bytes can be read with one command.
Setting range: 0001
• 1000 Byte Tags (V680-D1KP@@)
ASCII: 1000 bytes (1000 characters)
Hexadecimal: 1000 bytes (2000 characters)
• 8-/32-KB Tags (V680-D8KF68/-D32KF68)
ASCII: 2048 bytes (2048 characters)
Hexadecimal: 2048 bytes (4096 characters)
Command
Read data
End code
code
...
× ×
X R 0 0
2 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.
FCS Terminator
No. of bytes to read
× × × × × × ×
2
4
to FFFF
H H
to 0800
H H
FCS
Terminator
× *
× ×
×
CR
2
2
*
CR
2
• 2000 Byte Tags (V680-D2KF@@)
ASCII: 2000 bytes (2000 characters)
Hexadecimal: 2000 bytes (4000 characters)