45
Electromagnetic Inductive RFID System
User's Manual
S
E
CTI
O
N 4
Communic
a
tio
n
s
Comma
nds
SECTION 4
Commands
Write (WT)
Writes the specified number of bytes of data starting from the specified start address to a Tag.
Example: Writing 4 Bytes of Data (“11223344”) from Address 0010h (Single Auto, Hexadecimal)
Send data:
WTSAH100100411223344
*
[CR]
Receive data:
WT0000
*
[CR]
Specify the total number of write bytes so that the sum of the write area start address and the number of bytes does not
exceed the Tag memory capacity (128 bytes).
Example: The number of bytes can be specified between 01h and 70h for a start address of 0010h.
Communications
designation
Specifies the method for communicating with a Tag.
Refer to
for details.
Data designation
Specifies the data format when sending write data to Tags.
“A”: ASCII
“H”: Hexadecimal
Antenna designation
Always “1”.
Write area start address
Specifies the start address in the Tag memory area for writing data in four hexadecimal digits.
Specification range: 0000h to 007Fh
No. of write bytes
Specifies the number of bytes of data to be written to the Tag in two hexadecimal digits.
Specification range: 01h to 80h
Write data
Data written to Tags.
There will be 2 characters per byte if hexadecimal is specified.
2
2
2
1
1
4
2
㧖
CR
Command
code "WT"
Data
desig-
na-
tion
Antenna
designa-
tion
Write area start
address
Communica-
tions designa-
tion
No. of write
bytes
Specified number of bytes
Write data
Command
2
2
1
1
2
㧖
CR
Command
code "WT"
Retry
flag
Status
flag
End code
"00"
Response
Summary of Contents for V670-CF01
Page 2: ......