User's Manual

5-2 Control Procedures for Each Communication
5-2
5-15
■ Selective Access Operation: In ISO Mode
■ Exceptions
(1) When the Tag with the UID specified by UID Select Command does not exist in the communication area,
the Reader/Writer returns No Tag error (Response Code:72) to the host.
(Tag) (Reader/Writer)
Receives a response
Receives a response
Receives a response
Receives a response
Receives a response
(Host)
Waits for a Tag
(7) The controller performs the
communication processing with the
(6) Controller receives UID Additional
Command of the Tag to communicate
with.
(4) When a Tag is in the communications
area of the Reader/Writer Antenna, the
Reader/Writer communicates with the
(1) The Reader/Write receives a command.
Multi-Read Command
(UID Additional Setting)
A response (UID1)
Tag (UID1)
Tag detection
A response (UID2)
Tag (UID2)
Tag detection
A response (UID3)
Tag (UID3)
End Response “72”
Communications process
Specifies Tag (UID2)
Response of the Tag (UID2)
Tag (UDI2)
(5) Returns an end response when the
controller completes to communicate
with all Tags in the communications area.
(3) The Reader/Writer returns a response with
UID.
(2) The Reader/Writer communicates with the
Tag.
The Reader/Writer communicates with the
Tag when it is in the Reader/Writer antenna
communication area.
After the Reader/Writer has communicated
with all the Tags in the communication area,
it returns the Detection End Response.
The Reader/Writer receives UID Select
Command with the UID of the
communication target Tag added.
The communication with the Tag with the
specified UID is processed.