DALI Specifications from DiiA Enable Intelligent, Connected LED Luminaires

Addressing the market need for intelligent lighting fixtures with sensing and communication capabilities and IoT connectivity, the Digital Illumination Interface Alliance (DiiA) has finalized a set of new specifications based on the DALI lighting-control protocol.

The specifications enable smart LED drivers and luminaires that can report operational, diagnostic and inventory data. Also, the specifications simplify the addition of sensors and wireless-communication nodes (also known as network lighting controllers) to luminaires by taking care of power-supply requirements. In turn, this makes it more straightforward for luminaires to participate in the IoT.

DiiA is the global industry alliance for DALI lighting control, and the five new DiiA specifications build on DALI-2, with its strong focus on multi-vendor interoperability. DiiA has worked with other organizations, notably the American National Standards Institute (ANSI), to ensure global alignment of the specifications.

Specification details:

One of the new DiiA specifications (known as Part 251) focuses on luminaire-specific data for asset management and other purposes. This would allow a manufacturer to encode data about the luminaire – such as part number, or nominal light output – in the factory. When the luminaire is installed, the data is readily available to the lighting-control network. A utility company or lighting-installation owner could use this capability to monitor and manage their lighting assets accurately and efficiently.

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