User`s manual

55
RFID System
User's Manual
Section 3
V680 Commands
Section 3
Commands
■ 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 ID Tag for which write protection has been set. Confirm that there is
no important data in the area being written before executing this command.
Communications specifi-
cation
Specifies the method for communicating with the ID Tag.
Refer to Communications with the ID Tag for details on the communications specification.
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Data setting Sets the code format used to send responses for read data.
A: ASCII
H: Hexadecimal
Fixed value Always 1.
Write area start address Specifies the start address of the area in the ID Tag to be written to in 4-digit hexadecimal.
Setting range: 0000 to FFFF hex
Number of write bytes Specifies the number of bytes of data to write to the ID Tag in 4-digit hexadecimal.
Setting range: 0000 to FFFF hex
(0000: The ID Tag will be written up to the end address.)
Write data Specifies the write data to the ID Tag.
ASCII: 2 digits specified.
Hexadecimal: 4 digits specified.
End code Indicates the execution result for the command.
The end code 00 indicates normal completion.
For details on end codes, refer to End Codes.
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Fixed value Always 1.
Resend flag Always 0.
Command
DF
1
2
2
CR
A/H
××
4
×
××
2
11
×××××
4
××
2 or 4
××
Number of
write bytes
Command
code
Data
setting
Fixed
value
Write data
Write area
start address
Terminator
Communica-
tions
specification
Response
DF
0
2
2
CR
1
00
2
11
Command
code
Fixed
value
Terminator
Resend
flag
End code