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5-2
Section
Communications Sequences
66
4. After the data is processed, the Controller returns a response to the host in-
dicating that the Controller is finished with data processing. Then the Con-
troller awaits the next ID Tag.
5. When the next ID Tag passes through the communications area of the An-
tenna, the Controller communicates with the ID Tag.
6. After the data is processed, the Controller returns a response to the host in-
dicating that the Controller is finished with data processing.
Note Use the STOP command (ST) to interrupt the Controller’s “repeat” status. The
Controller will enter the “ready to receive command” status.
5-2-4 Polling Auto Mode
If a normal AUTO command is sent to one of the Controllers while a single host is
controlling more than one Controller, the communications path between the host
and the Controller receiving the AUTO command will be kept busy and the host
will not be able to control any other Controller. However, if the POLLING AUTO
command is sent instead, the Controller will return a response at the request of
the host. In this way, the communications path to the host will not be kept busy.
Therefore, the host can send a command to another Controller. While the POL-
LING AUTO command is executed, no command other than the POLLING sub-
command or RESET command can be executed.
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