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DALI+ provides DALI lighting control plus wireless and IP-based networking

“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.”

Press release DALI+ delivers DALI lighting control with wireless and IP-based networking (May 2021)

DALI+ denotes DALI over wireless and IP-based networks

DALI+ devices communicate using existing DALI commands, but these are carried over a wireless and/or IP-based medium rather than the dedicated pair of wires used by DALI-2 and D4i.

DALI+ builds on the proven and sophisticated DALI lighting-control features in wired (DALI-2 and D4i) options, and offers access to the same rich set of data from control gear, luminaires and sensors.

>> Frequently-asked Questions

SPECIFICATIONS

DALI+ is supported by a new DiiA Specification entitled "Part 104 Changes and Additions" which provides updates to the published Part 104 of the international IEC 62386 standard.

The first version of this new specification supports IP-based protocols such as Thread, Ethernet and Wi-Fi.

► Part 104 Changes & Additions Download from the DALI Alliance website
IEC 62386:104 Purchase from the IEC webstore

 


BRIDGES

The new Part 104 Changes & Additions specification supports bridges, which allow a DALI+ wireless network to access DALI wired subnets or luminaires.


 

Wireless DALI
DALI over IP

CERTIFICATION

The first certification program for interoperable DALI+ devices will utilize Thread's low-power, IP-based, wireless-mesh networking protocol.

Tests are in development to enable DALI+ with Thread certification.

View the joint Thread-DALI Alliance press release (May 2021)

 


RELATED MATERIALS

Wireless solutions for DALI

>> Read more about our two distinct approaches for combining DALI with wireless connectivity.


Wireless to DALI Gateways

>> More about Wireless to DALI Gateways


DALI over IP

>> More about DALI over IP solutions 


 


FAQs on DALI+

What’s the difference between DALI+ and wireless gateways?

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Wireless to DALI gateways translate between the wireless protocol on one side and the wired DALI devices on the other side. Wireless devices (including the gateway) communicate using the wireless ecosystem protocol. With DALI+, there is no translation, and DALI commands are used throughout. In combination with a wireless carrier, DALI+ enables true wireless DALI.

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Why do we need another wireless protocol?

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DALI+ is not a new protocol. DALI+ devices communicate using existing DALI commands, but these are carried over a wireless and/or IP-based medium. This provides choice and flexibility for anyone wishing to use DALI with different connectivity options.

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How does DALI+ handle security?

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DALI+ uses security layers provided by the underlying protocol, with additional application-layer security features for DALI+ with Thread.

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Can you extend the number of devices beyond the 64+64 limit on a single subnet?

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Yes. DALI+ includes a system address which multiplies the number of possible devices by 255. Where an IP-based carrier is used, such as Thread, this extension goes further, providing an almost unlimited addressing capability.

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How do you decide which protocols to support?

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All our work on specifications and certification is guided by the priorities set by our members, as well as the availability of volunteers to carry out the necessary tasks; these include creating the specifications and test procedures, and evaluating the tests so that certification can begin. For DALI+, our members initially decided to work with the Thread Group to develop DALI+ with Thread certification. The Part 104 Changes & Additions specification itself supports IP-based carrier protocols such as Thread, Ethernet and Wi-Fi.

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Will DALI+ work over Ethernet, or WiFi, or Bluetooth mesh?

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The first version of the new Part 104 Changes & Additions specification supports IP-based protocols such as Thread, Ethernet and Wi-Fi. Future versions of the specification may support other carriers. The first DALI+ certification program will support DALI+ with Thread.

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Will DALI+ certification be part of the DALI-2 (and D4i) certification program?

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We are already working with Thread Group to develop DALI+ with Thread certification, which will be separate from DALI-2 certification. Different carriers will require their own DALI+ certification program.

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Is DALI+ compatible with D4i?

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Yes. The new Part 104 Changes & Additions specification supports bridges, which allow wired DALI devices and luminaires (including D4i luminaires) to access the DALI+ network.

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Is DALI+ compatible with DALI-2?

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Yes. The new Part 104 Changes & Additions specification supports bridges, which allow wired DALI-2 devices and luminaires to access the DALI+ network.

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Can DALI+ connect with a BMS?

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Yes, it is possible for a DALI+ control device to incorporate an interface to a building management system (BMS).

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Why is certification important, and when will it start?

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We have already started to develop the tests that are necessary to enable DALI+ with Thread certification. This process will take several months. Certification builds market confidence in the interoperability of products from different suppliers, and accelerates adoption.

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Is DALI data available with DALI+?

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Yes, Parts 251-253, which cover luminaire, energy and diagnostics data, can all be implemented in DALI+ devices.

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