61
Heat-resistive RFID System
User's Manual
S
e
c
tion 4
Comma
nd a
n
d R
e
s
pons
e
Fo
rm
a
t
Section 4
Reading from/Writing to Tags
Numeric Range for Address Bytes
• Read Commands
• Write Commands
* When using multiple frames, make sure that each frame has 266 characters max.
*
A/H
1
FCS
× ×
@
00 to 09
Data designation
Antenna designation (always 1)
Start address
Start address
271 characters max. per frame
ASCII
256 bytes (256 characters)
Set value: 00
H
to FF
H
Note: 00
H
= 256 bytes
Hexadecimal
code
128 bytes (256 characters)
Set value: 01
H
to 80
H
CR
Command code
Number of
read bytes
Set the number of bytes to be read from the
Data Carrier in hexadecimal.
The following table shows the number of bytes
that can be read at one time.
Controller No.
*
A/H 1/2
FCS
× ×
@
00 to 09
Command code
Data designation
Antenna designation
Start address
Start address
Write data
271 characters max. per frame
ASCII
256 bytes (256 characters)
Hexadecimal
128 bytes (256 characters)
CR
Set the write data.
The following table shows the number of
bytes that can be written at one time.
(When hexadecimal is designated, use
two characters per byte.)
Controller No.
1 frame within
266 characters
Header
@
Controller No.
CR
CR
CR
*
CR
FCS
A/H
Write data 2
Write data 1
Write data (n
−
1)
Write data n
1
Start address
Frame 1
Frame 2
Frame
(n
−
1)
Frame n