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Communications Commands and Responses
4) Write of Application ID and Family code (for Tag)
The WT Command is used to write application IDs and family codes to Tags.
Read verification processing is performed for this command and so it is not necessary to per-
form it again.
Command frame structure
Node No. Command
STX
1
2
Communications
Data type
Tag Number setting
Write data
Response Frame Structure
· Single and FIFO Accesses
STX Node No.
1
2
· Multi-access (Excluding Communications End Response)
STX Node No.
1
2
· Selective Access
STX Node No.
1
2
Response code
Commu-
Data
code
nications
type
"WT"
2
2
1
Specifies a communications method.
ST: Single Trigger
SA: Single Auto
SR: Single Repeat
FT: FIFO Trigger
FR: FIFO Repeat
Specifies whether the write data is represented in ASCII or HEX.
A: ASCII code
H: HEX code
For details, refer to 5-6 Data Type.
In the Selective Access (write), Single, and FIFO Accesses, the Tag Number setting
is "0" fixed.
In the Multi Access, set the number of Tags with which to communicate simultane-
ously.
Setting range: 1 to 7
Refer to 5-7 Tag Number Setting for details.
Indicates data to be written to the Tag. The number of characters of the
data is as follows:
ASCII code: 4
HEX code: 8
Retry
Command
Response
flag
code
code
"WT"
"00"
1
2
2
Retry
Command
Response
flag
code
code
"WT"
"00"
1
2
2
Retry
Command
Response
flag
code
code
"WT"
"00"
1
2
2
00: Normal completion
For other response codes, refer to 5-10 Response Code List.
Tag No.
Fixed
Fixed
setting
"FF"
"01"
"0"
1
2
2
MT:
MR:
□□
(For
are available.)
For detail, refer to 5-5 Communications
Methods.
ETX
BCC
1
1
No. of
ETX BCC
written
Tags
2
1
1
Temporary
ETX BCC
No.
2
1
1
Section 5-3
Write data
Family
Appli-
code
cation
ID
4(ASCII),8(HEX)
Multi-trigger
Multi-repeat
: Selective Access (write)
□□
, the values from "00" to "7F"
ETX BCC
1
5-21
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