System Command
Section 5-4
5-25
5-4-5 Read (RD) of Family Code and Application ID (for Tag): I.CODE1
Mode Only
This command is used to read the Family Codes and Application IDs from Tags incorporated
I.CODE1 chip..
<Command Format>
STX
Node No..
Command code
“RD”
Communi-
cations
method
Data
type
Tag
No.
setting
Fixed
“FF”
Fixed
“01”
ETX BCC
1
2 2 2
1
1
2
2
1
1
Communications
method
S Specifies the communica-
tions method with a Tag.
ST: Single Trigger
SA: Single Auto
SR: Single Repeat
FT: FIFO Trigger
FR: FIFO Repeat
MT: Multi-trigger
MR: Multi-repeat
LT: Selective Access (Tag detection)
: Selective Access (Read)
(For
, the values from 00h to 7Fh are available.)
UT: Special Read Trigger
UA:: Special Read Auto
UR: Special Read Repeat
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
When using a Single Access, FIFO Accesses, or Selective Access (read) com-
mand, the Tag No. setting should be "0."
Tag No. setting
When using a Multiple Access or Selective Access (Tag detect) command, the
Tag No. setting must be appropriate to the number of Tags that will communicate
at one time.
Refer to 5-10 Tag No. Setting for details.
Specification range: 1 to 7
<Response Format>
(1) Single, FIFO, and Multiple access (excluding Communications End Response)
Read data
STX Node
No..
Retry
flag
Command code
“RD”
Response
code
“00”
Family
Code
Appli-
cation
ID
Not
defined
Not
defined
ETX BCC
1 2 1 2
2
4(ASCII),8(HEX) 1
1
(2) Selective Access (excluding Tag Detection End Response)
Response
code
“00”
Read data
STX Node
No..
Retry
flag
Command code
“RD”
Temporary
No.
Family
Code
Appli-
cation
ID
Not
defined
Not
defined
ETX BCC
1 2 1 2
2
2
4(ASCII),8(HEX)
1
1
Response code
00:normal completion
For other response codes, refer to 5-2-4 Response code List.
Read data
Indicates the data having been read. The number of characters of the data is as
follows. in ASCII or HEX.
ASCII code: 4
HEX code: 8
Note
This command is for I.CODE1 Mode Only. The command is not available in
ISO mode: