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Communications Commands and Responses
3) Read of Application ID and Family Code (for Tag)
Command Frame Structure
STX Node No. Command
1
2
Communications
Data type
Tag Number setting
Response Frame Structure
· Response frame structure for Single, FIFO, and Multi Accesses
(excluding detection completed response)
STX Node No.
1
2
· Response frame structure for Selective Access
(excluding Tag detection completed response)
STX Node No.
1
2
Response code
Read data
5-20
Communi-
Data
code
cations
"RD"
2
2
Specifies a communications method.
ST: Single Trigger
SA: Single Auto
SR: Single Repeat
FT: FIFO Trigger
FR: FIFO Repeat
Specifies whether the read 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 (read), Single, and FIFO Accesses, Tag Number setting is
"0" fixed.
In the Multi Access and Selective Access (Tag detect) command, set the number
of Tags with which to communicate simultaneously.
Setting range: 1 to 7
Refer to 5-7 Tag Number Setting for details.
Retry
Command
Response
flag
code
code
"RD"
"00"
1
2
2
Retry
Command
Response
flag
code
code
"RD"
"00"
1
2
2
00: Normal completion
For other response codes, refer to 5-10 Response Code List.
Indicates the data having been read.
The number of characters of the data is as follows:
ASCII code: 4
HEX code: 8
Tag
Fixed
Fixed
type
No.
value
value
setting
"FF"
1
1
2
Read data
Family
Appli-
Not
code
cation
defined
ID
4(ASCII),8(HEX)
Temporary
No.
Family
code
2
4(ASCII),8(HEX)
ETX
BCC
"01"
2
1
1
MT: Multi-trigger
MR: Multi-repeat
LT: Selective Access (Tag detection)
□□
: Selective Access (read)
□□
(For
, the values from "00" to "7F" are
available.)
(UT: Special Read Trigger
UA: Special Read Auto
UR: Special Read Repeat)
For details, refer to 5-5 Communications
Methods.
ETX BCC
Not
defined
1
1
Read data
ETX BCC
Appli-
Not
Not
cation
defined
defined
ID
Section 5-3
1
1
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