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BACnet Insight

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Beispiel für die Lichtsteuerung im Bürogebäude.
Office building – lighting control example.

Directly, lighting control strategies are the primary way DALI also offers color control gear, which can emulate allowing for data exchange and feedback. With both sys-
to create a human-centric lighting environment, that is, outdoor lighting conditions to connect us with the natural tems connected, the BACnet BMS can control the DALI
an environment that mimics natural light, improving our light mentioned above. Creating color fixtures for differ- system directly, and it's also possible to have it interact
well-being and enhancing our concentration organically, ent applications such as hotel lobbies, restaurants, spas, with other systems within the building in real-time. For
something increasingly important nowadays as we spend and relaxing spaces is also possible. These control meth- example, you can:
more and more time inside buildings. On the other hand, ods bring significant advantages on their own, but their ƒ increase a couple of degrees on the HVAC at certain
they are also essential in achieving efficient energy use, potential is much bigger. Integrating them, as part of a times of the day if the space is empty, for energy effi-
helping to reduce energy consumption, and minimizing DALI system, with a BACnet Building Management Sys- ciency,
environmental impact on a more global scale. tem (BMS) can take things to another level. The problem ƒ coordinate the lobby lights to turn on when people are
is that being different protocols, BACnet and DALI can't about to arrive if your lift system is part of the BACnet
Rules and Regulations understand each other directly. How can this problem be BMS, for energy efficiency and comfort.
solved?
The importance of both factors has led to the creation The possibilities are endless once all the information and
of many energy or building codes and standards that Stronger together control are in a single place. 
include requirements for lighting controls in commercial
and residential buildings. These codes may often specify This is where Intesis gateways come in, working as the
the use of occupancy sensors, daylight harvesting, and link between a BACnet BMS and a DALI system, estab-
automatic shutoff controls to optimize energy usage. lishing bi-directional communication between both and

DALI and BACnet
Knowing this, using the right tools to comply with these
requirements becomes a matter of utmost importance.
This can be quite challenging, as these tools usually
involve using different technologies that have historically
evolved independently, each covering specific fields. For
example, BACnet is one of the most widely used proto-
cols in building automation, and the DALI protocol holds
a similar position for lighting control. Yenny Suancha
Product EngineerIntesis
In a DALI system, we can have sensors (for light or occu- yesu@hms-networks.comwww.intesis.com
pancy) and devices to enable user input, such as push
buttons or sliders. These are collectively known as input
devices because they provide information for automated
control and allow occupants to adjust the lighting set-
tings manually. They allow occupants to select different
scenes in a meeting room for presentations, meetings, or
a relaxed atmosphere, the light sensors can be used to
dim the lights down automatically when sunlight is bright; Xavier Jorquera
this happens proportionately, so the brighter the sunlight, Technical WriterIntesis
the dimmer the lights get.
xajo@hms-networks.comwww.intesis.com

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