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SECTION 5
V680 Commands
RFID System
User’s Manual
SECTION 5
Communications
DATA FILL (DF)
The DATA FILL command writes the designated data for the specified number of bytes beginning from
the specified start address.
This command will write data even to areas of the Tag for which write protection has been set. Confirm that there is no
important data in the area being written before executing this command.
1:1 Protocol
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
Specifies the method of communications with the Tag.
Refer to Communications Designation Function for details on the communications designation.
p. 103
Data designation Specifies the code format when sending the Tag write data.
“A”: ASCII
“H”: Hexadecimal
Antenna designation Specifies the Antenna with which to communicate.
“1”: Antenna 1
“2”: Antenna 2
UID A unique identifier used to identify Tags.
Added only for the selective communications designation (SL).
Write area start address 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
H to FFFFH
No. of bytes to write Specifies the number of bytes of data to write to the Tag in 4-digit hexadecimal.
Setting range: 000
H, 0001H to 0800H (When 0000H is specified: Writes up to the end address.)
Designated data Specified the data to be written to the Tag.
• ASCII: 2 digits specified.
• Hexadecimal: 4 digits specified.
UID A unique identifier used to identify Tags.
Added only for multi-access communications designations (MT/MR).
Designated data
No. of bytes to write
Command
code
Data
desig-
nation
Antenna designation
Terminator
Write area start
address
Communi-
cations
designation
××
DF
××
A/H
××
211 4
2
* CR
1/2
××
××
2or4
××
2
××
4
××
UID
××
0or16
...
Command
Command
code
Terminator
End code
Antenna
desig-
nation
Resend flag
DF
00
22
2
* CR
0×
11
××
UID
××
0or16
...
Response
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