Omron V680-CA1D, Руководство пользователя

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57
Heat-resistive RFID System
User's Manual
S
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c
tion 4
Comma
nd a
n
d R
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s
pons
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Fo
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a
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Section 4
Reading from/Writing to Tags
Data Code Designation
Data to be read or written is specified in the command to be handled as either ASCII (JIS8 unit code)
character data or as hexadecimal numerical data.
• ASCII (JIS8 Unit Code) Designation
Each data character is allocated 1 byte (1 address) of Tag memory
and stored as ASCII or JIS8 unit code.
ASCII Designation Example
• Hexadecimal Code Designation
Characters are handled as hexadecimal data. Therefore, only
characters 0 to F can be received. Each two characters of data is
stored as is in 1 byte (1 address) of Tag memory. Therefore, always
set two-character units (even number of characters) for write
commands.
One byte of Tag data is converted to two hexadecimal characters
(00 to FF) and transmitted. A command error will occur if an odd
number of characters is mistakenly set.
Hexadecimal Code Designation Example
0010
H
0011
H
0012
H
0013
H
0014
H
4
4
5
4
4 F
D
2
F
E
"O"
"M"
"R"
"O"
"N"
Tag memory
address
*
A 1 0 0 1 0 O M R O N FCS T W @
Controller No.
Start address
00 to 09
Command
Command code
Data designation
Antenna designation (always 1)
Write data
Note: For details on ASCII (JIS8 unit code) refer to
List of JIS8 Unit Codes (ASCII) in the Appendices .
CR
0020
H
0021
H
1
8 9
8
1 byte
Tag memory
address
Start address
00 to 09
Command code
Data designation
Antenna designation (always 1)
Write data
*
H 1 0 0 2 0 1 9 8 8 FCS T W @
Command
CR Controller No.