Communications Commands and Responses
Section 5-3
5-21
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
Write data
STX
Node No.
Command
code
“WT”
Commu-
nications
Data
type
Tag No.
setting
“0”
Fixed
“FF”
Fixed
“01”
Family
code
Appli-
cation
ID
ETX BCC
1
2
2
2
1
1
2
2
4(ASCII),8(HEX)
1
Communications
Specifies a communications method.
ST: Single Trigger
SA: Single Auto
SR: Single Repeat
FT:
FIFO Trigger
FR: FIFO Repeat
MT:
Multi-trigger
MR:
Multi-repeat
□□
: Selective Access (write)
(For
□□
, the values from “00” to “7F”
are available.)
For detail, refer to 5-5 Communications
Methods.
Data type
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.
Tag Number setting
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.
Write data
Indicates data to be written to the Tag. The number of characters of the
data is as follows:
ASCII code: 4
HEX code: 8
Response Frame Structure
·
Single and FIFO Accesses
STX
Node No.
Retry
flag
Command
code
“WT”
Response
code
“00”
ETX
BCC
1
2
1
2
2
1
1
·
Multi-access (Excluding Communications End Response)
STX
Node No.
Retry
flag
Command
code
“WT”
Response
code
“00”
No. of
written
Tags
ETX BCC
1
2
1
2
2
2
1
1
·
Selective Access
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 5-10 Response Code List.
