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67
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 can be used to write data regardless of the write protection setting. 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 RF Tag.
Refer to
Communications with the RF Tag
for details on the communications specification.
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 RF 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 RF Tag in 4-digit hexadecimal.
Setting range: 0000 to FFFF hex
(0000: The RF Tag will be written up to the end address.)
Write data
Specifies the write data to the RF 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
.
Fixed value
Always 1.
Resend flag
Always 0.
Command
D
F
1
2
2
C R
A / H
×
×
4
×
×
×
2
1
1
×
×
×
×
×
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
D
F
0
2
2
C R
1
0
0
2
1
1
Command
code
Fixed
value
Terminator
Resend
flag
End code
Содержание V680 Series
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