Omron V680-CA5D01-V2 User Manual page 121

SECTION 5
Communications
WRITE (WT)
The WRITE command writes up to 2 KB of data to the memory of a Tag.
1:1 Protocol
Command
Communi-
cations
Command
designation
code
×
W T
2
Communications
designation
Data designation
Antenna designation
UID
Write area start address
Write data
Response
Communications Designation Other Than PA or PI
Command
End code
code
0
W T
2 2
Note: When using the multi-access trigger communications designation (MT), the ID controller returns
an end code of 03 after communicating with all Tags.
Communications Designation of PA or PI
Command
code End code
R D 0
2
UID
RFID System
118
User's Manual
Antenna designation
Data
desig-
UID
nation
...
× × × ×
A/H 1/2
2 1 1 0 or 16
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 Tag write data.
"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 to which data is to be written in 4-digit hexadec-
imal.
Setting range: 0000
Specified the data to be written to the Tag.
Up to 2 KB can be written with one command.
• 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)
Resend
Antenna
flag
desig-
UID
nation
× × × ... ×
0
0
1 1 0 or 16
Resend
Antenna
flag
designa-
tion Terminator
× *
1 0 CR
2 1 1 2
A unique identifier used to identify Tags.
Added only for multi-access communications designations (MT/MR).
Write area start address
Write data
× × × × × × ×
4
to FFFF
H H
Terminator
× *
CR
2
Terminator
...
× × *
CR
n 2
• 2000 Byte Tags (V680-D2KF@@)
ASCII: 2000 bytes (2000 characters)
Hexadecimal: 2000 bytes (4000 characters)