Communications Command
Section 5-3
5-14
5-3-3-3 Selective Access Write (WT)
This command writes data to the Tag of either UID (SNR) (in ISO mode) or Temporary Number (in
I.CODE1 mode).
<Command Format>
STX
Node
No..
Command code
“WT”
Communi-
cations
method
Data
type
Tag
type
First write
page
First write
page
UID(SNR) Write
data
ETX
BCC
1
2 2 2
1
1
2 2 16
As
specified
1
1
Com-
munica-
tions
method
In ISO
mode
Specifies the communications method with a Tag.
SL: UID (SNR) select
* For details, refer to 5-8 Communications Methods
In I.CODE1
mode
Specifies the temporary No. in hexadecimal to write to the Tags.
□□
: Temporary No. (The value of
□□
should be within the range of 00h
to 7Fh)
* For details, refer to 5-8 Communications Methods.
Data type
Specifies whether the read data is represented in ASCII or HEX.
A: ASCII code
H: HEX code
For details, refer to 5-9 Data type.
Tag
type
In ISO
mode
Specify the Tag type.
A: I.CODE2 chip
*
In I.CODE1
mode
“0” fixed.
First write page
Specifies the first page in hexadecimal to write to the Tags.
Specification range: 00 to FFh
In ISO mode: I.CODE2 chip should
be between 00 to 1Bh)
Specification range: FB to 0Ah
(In I.CODE1 mode: The available
user area should be between FF page and 0A page)
* For details, refer to 2-4 Memory Map of Tag.
No. of read pages
Specifies the number of the pages in hexadecimal to write to the Tags.
Specification range: 01 to FFh
(In ISO Mode: I.CODE2 chip should
be from 01 to 1Ch)
Specification range: 01 to 0Eh
(In I.CODE1 Mode)
UID
(SNR)
In ISO
mode
Specifies UID (SNR) in hexadecimal to write to the Tags.
In I.CODE1
mode
Not added.
Write data
Indicates data to write to the Tag. The number of characters of the data
is as follows.
ASCII Code: No. of write pages x 4
HEX code: No. of write pages x 8
* Tag Type Setting is valid in the operating mode setting range of Reader/Writer.
<Response Format>
STX Node
No..
Retry
flag
Command code
“WT”
Response
code
“00”
Temporary
No.
ETX BCC
1 2 1 2
2
2 1
1
Response code
00:normal completion
For other response codes, refer to 5-2-4 Response code List.
Temporary No.
* ISO mode: Temporary No. is not added.
* I.CODE1 mode: Returns temporary number of “00” to “7F” in normal condi-
tions.
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Страница 133: ...7 1 SECTION 7 Reference Data 7 1 Communications Time 7 2 7 2 Calculation of Tag Traveling Speed 7 4 ...
Страница 137: ...8 1 SECTION 8 Appendix Appendix 1 Accessories 8 2 Appendix 2 ASCII Code Table 8 3 ...
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