Omron V680-CA5D01-V2 User Manual page 193

SECTION 5
Communications
LARGE READ (ER)
The LARGE READ command reads up to 8 KB of data from a Tag. If there is no Tag, the ID Controller
returns an error response with an error code of 72 (Tag missing error).
1:1 Protocol
Command
Data
Command
desig-
code
nation
A/H
E R
2 1
Data designation
Antenna designation
Read area start address
No. of bytes to read
Response
Responses of 245 Characters or Fewer
Command
End code
code
E R 0
2
RFID System
190
User's Manual
Antenna
designation
Read area start
No. of bytes to read
address
× ×
× × × ×
1/2
1 4 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 8,192 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: 8192 bytes (8192 characters)
Hexadecimal: 8192 bytes (16384 characters)
Read data
Terminator
...
× × × ×
*
0
2 n
Terminator
*
× ×
CR
2
to FFFF
H H
to 2000
H H
CR
2
• 2000 Byte Tags (V680-D2KF@@)
ASCII: 2000 bytes (2000 characters)
Hexadecimal: 2000 bytes (4000 characters)