73
RFID System
User's Manual
Section 3
V680 Commands
Section 3
Commands
WRITE WITH ERROR CORRECTION (QW)
The WRITE WITH ERROR CORRECTION (QW) command writes data to the RF Tag. The command
also writes the RF Tag memory check and error correction codes as 5 bytes of write data. Do not
change this code, it is required by the READ WITH ERROR CORRECTION (QR) command.
Communications specifi-
cation
Specifies the method for communicating with the RF Tag.
For details on communications specifications, refer to
Communications with the RF Tag
.
Data setting
Sets the code format used to send responses for write 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 FFFA hex
Write data
Specifies the write data to the RF Tag.
The maximum number of bytes that can be read at one time is 510 bytes, as follows:
ASCII: 510 bytes (510 characters)
Hexadecimal: 510 bytes (1,020 characters)
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
Q
W
1
2
2
C R
A / H
×
…
n
×
×
×
2
1
1
×
×
×
×
×
4
×
Command
code
Data
setting
Fixed
value
Write data
Write area
start address
Terminator
Communica-
tions
specification
Response
Q
W
0
2
2
C R
1
0
0
2
1
1
Command
code
Fixed
value
Terminator
Resend
flag
End code
