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DALI+

Early July 2021, the Dali Alliance has announced the launch of the new standard called DALI+. In this technical briefing, we would like to outline, what it means to the Lighting Industry in general and for the DALI standard in particular.

“DALI+ extends choice, flexibility and creative freedom for lighting designers and specifiers by supporting the development of wired, wireless and IP-based systems, using DALI throughout.” Dali Alliance

Lighting Control – What Next?

The industry is going through a major transition right now: subjects like IoT, Digital Transformation but also increased data and infrastructure protection demands are demanding convincing answers. In 2019, the Dali Alliance made a first step in launching D4i, enabling DALI for intelligent, IoT-ready luminaires.

The evolving DALI ecosystem

The evolving DALI Ecosystem
The recent announcement of DALI+ is a strong commitment of the DALI Industry to a pervasive and safe way of lighting control. It creates an ecosystem that extends functionality and connectivity and provides greater choice well beyond todays limitation of Part 101.

As part of an ecosystem such as Thread, DALI+ can finally realize its full potential and provide a seamless interface between lighting and other building services: there is confidence that information shared will be based on an international standard with its own endorsement scheme DALI+, therefore interoperability is assured.

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With the recent announcement of DALI+, the alliance has launched the next step on its roadmap to get DALI established as the standard for smart lighting control in the IOT era: in short, DALI+ is extending DALI with wireless and IP based networking capabilities, based on IEC 62386 Part 104.
In practice, it provides an wireless alternative to the well-known 2-wire bus, defined in 62386 Part 101. DALI+ will be implemented based on Thread, which is Internet Protocol Version 6 (IPv6) based and includes a  sophisticated end to end security stack. DALI+ allows to send DALI commands via this network, hence the term DALI over wireless.

The new Part 104 of IEC 62386 defines the communication over a IP based communication stack, and the integration with the Application layer, IEC 62386 Part 102 (Driver) and 103 (Control Inputs). The DALI+ announcement was also including the Gateway definitions, which initially are  Bluetooth (part 341) and Zigbee (part 342).

Therefore, its envisaged that switches and sensor will be specific to the ecosystem be this Bluetooth or Zigbee, however it critical you have the correct versions of each ecosystem as defined by their relevant standards bodies.

A Bridge is used to connect wireless devices in line with Part 104 to wired devices as defined in Part 101 or D4i drivers, sharing sharing common commands and data.

Zencontrol at the Forefront of DALI+

Zencontrol has a fast growing amount of controls and devices, supporting these integrated approach. Zencontrol was an early adaptor of the control components and emergency devices, that natively support Part 104 with Thread and have the capacity for Bluetooth integration. Once the DALI+ certification program is launched, zencontrol will certify all respective devices accordingly. 

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