Fig. 1 - Dragon™ M point-to-point connection
DRAGON™ M, CONFIGURATIONS AND COMMUNICATION
The basic configuration of the Dragon™ M system consists of
one gun (Dragon™ M) and one cradle (OM-Dragon™).
In this case, the configuration is called point-to-point (fig. 1)
and in terms of use, has the same functionality of a standard
gun without cable constraint.
When more than one gun (up to 32), is connected to a single
cradle, a multi-point configuration is created (fig. 2). Multiple
user data collection is available in the range of 50 mt with no
cabling requirements.
The system can be completed with gun battery chargers,
called C Dragon™, to make the whole system less expensive.
In addition, different cradles can be connected to each other
in a local area network configuration (fig. 3). In this case, the
first cradle becomes the master, and can work together with
up to 16 cradles, over a maximum length of 1200 meters.
This possibility is available both with point-to-point and
multipoint configurations.
Regarding communication between a remote gun and a
cradle/host, two typical modes can be identified: the first
with audible feedback from the cradle the second with visible
and audible feedback from the host. The first mode is typical
of the gun model without display (connection A - fig. 4).
When a code is read the data is sent to the cradle and then
to the host. The user hears a beep tone signaling that the
code has been read and transmitted. A second short beep
confirms that the CRADLE has correctly received the data
(acknowledge). The cradle, offered with an integrated
multistandard interface, immediately sends the data to the
host (connection B) through the selected interface (WEDGE,
PEN EMULATION or RS232). The second communication
mode is possible when RS232 is selected (connection B). It
provides the greatest advantage when used with the
DRAGON™ M 101/D (with display). In this case, the system
performs a virtual connection C, where the host can talk
directly to the gun.
Furthermore, the new Dragon™ M is 100% compatible with
the old DLL6xxx-R radio system. Simply by reading the
"DLL6xxx-R compatible mode" command the Dragon™ M is
made to behave like a DLL6xxx-R, therefore the existing
configuration sequence and installation procedure can be
applied without changes.
Fig. 2 - Dragon™M multi-point connection
Fig. 4 - Dragon™ communicationFig. 3 - Dragon™ M network (Echelon kit required)
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