ICP DAS, ZT-2570/ZT-2571 User Manual, Version 1.3
Page 53
Copyright @ 2013 by ICP DAS Co., Ltd. All Rights Reserved.
7.3
Non-addressable Device Communication
In some applications, there are some devices can not be addressable and they
even take the initiative to reply data. Once these non-addressable devices send
data to the user's controller via ZigBee, the user program can not identify which
device sends this data.
For example, there are several barcode readers and RS-232 device connected to
the ZT-2551. Once these devices are triggered to reply data, the controller will
not be able to identify which end device sends the data.
Barcode Reader
RS-232 Device
Barcode Reader
Barcode Reader
RS-232 Device
BBBBB
CCCCC
DDDDD
EEEEE
AAAAA BBBBB
CCCCC DDDDD EEEEE
…
..
AAAAA
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