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5-2
Section
Communications Sequences
64
5-2-2 Single Automatic Mode
In automatic mode, the Controller waits for the ID Tag to reach the antenna’s
communications range and then communicates with the Tag.
Host
AUTO command
Command end
Controller
Communications
processing
Response
ID Tag
Not in range
Not in range
ID Tag
Passed
(Waiting for response)
(Waiting for ID Tag)
(Waiting for ID Tag)
1, 2, 3...
1. The host sends the AUTO command.
2. The Controller does not return a response while the ID Tag is approaching.
During this time the communications path between the host and Controller
is kept busy.
3. When the ID Tag passes in front of the Antenna, the Controller processes
the communications data exchanged with the ID Tag according to the com-
mand.
4. After the data is processed, the Controller returns a response to the host in-
dicating that the Controller is finished with data processing.
Note In single automatic mode, the Controller will wait for the ID Tag to come into
range. This wait status can be interrupted by sending the STOP command (ST).
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