Omron V680-CA5D01-V2 User Manual page 120

1:N Protocol
Command
Communi-
Command
cations
code
Controller No. designation
× × ×
@ 0 R D
1
1 2 2
Communications
designation
Data designation
Antenna designation
UID
Read area start address
No. of bytes to read
Response
Communications Designation Other Than PA or PI
Command
Controller No. End code
code
×
×
@ 0 R D
2 2
1 1
Communications Designation of PA or PI
Command
End code
Controller No. code
× ×
@ 0 R D
1 1 2 2
UID
Read data
Antenna designation
Data
desig-
UID
nation
× × × × ×
A/H 1/2
2 1 1 0or16
Specifies the method of communications with the Tag.
Refer to Communications Designation Function for details on the communications designation.
p. 103
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
A unique identifier used to identify Tags.
Added only for the selective communications designation (SL).
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 to read from the Tag in 4-digit hexadecimal.
Up to 2 KB can be read with one command.
Setting range: 0001 to 0800
H H
• 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)
Antenna designation
Resend
UID
flag
× ...
× ×
0 0 0
2 1 1
0or16
Antenna designation
Resend
flag FCS Terminator
× × × *
0 1 0 CR
2 1 1 2 2
A unique identifier used to identify Tags.
Added in the following cases:
• Added when the ADD UID (US) command is set to add a UID.
• Added for multi-access communications designations (MT/MR).
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.
Read area start address
No. of bytes to read
× × × × × × ×
4
• 2000 Byte Tags (V680-D2KF@@)
ASCII: 2000 bytes (2000 characters)
Hexadecimal: 2000 bytes (4000 characters)
Read data
...
× × × × × × ×
n
SECTION 5
Communications
FCS Terminator
× × × × *
CR
4 2 2
FCS Terminator
*
×
CR
2
2
RFID System
User's Manual
117