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DALI Newsletter March 2020

Welcome to the March 2020 edition of the DALI Newsletter from DiiA. We hope that you are all safe and well in these challenging times. Where possible, DiiA is continuing to work towards its various technical goals. We expect to announce various online opportunities in the near future to keep everyone informed of our progress.

In this newsletter, you’ll find information about the addition of tunable white LED drivers to the DALI-2 certification program, as well as news about the first certified Zhaga-D4i luminaires. Also, our membership has continued to grow, and we have welcomed many new companies since the start of this year.


DiiA debuts DALI-2 certification of tunable white LED drivers

DiiA has expanded the scope of the DALI-2 certification program to include tunable white colour control.

The colour temperature Tc method of colour control has been added as a feature for DALI-2 control gear such as LED drivers. Commonly referred to as "tunable white", Tc allows control of the correlated colour temperature (CCT) along the black-body line, from warm white to cool white.

“DALI-2 certification for tunable white colour control has important implications for well-being and productivity in buildings,” says Paul Drosihn, DiiA General Manager. “For example, colour temperature control at different times of the day, coupled with light intensity measurements and occupancy detection from DALI-2 sensors, results in comfortable and efficient lighting schemes.”

DALI-2 certification of LED drivers has been available since mid-2017. All DALI-2 drivers have compulsory attributes such as a standardized dimming curve. Tunable white colour control is now added to the list of optional features for LED drivers, which also includes the ability to store and report a rich set of luminaire, energy and diagnostics data (DiiA Parts 251-253 respectively).

The other main colour types are RGBWAF (known as "RGB colour control”) and xy-coordinate (known as “xy colour control”). DiiA is developing DALI-2 tests for these colour types so they can be included in the DALI-2 certification program at a later date.

>> More details

First DALI-2 tunable white LED drivers

A number of DALI-2 tunable white LED drivers are now listed as certified products in the DiiA online Product Database. The first such DALI-2 devices were from DiiA member eldoLED (part of Acuity Brands Lighting, Inc. - see news), and these have now been joined by products from China-based Dongguan BOKE LED Drivers Co., Ltd, as well as HEP Tech Co., Ltd., Delta Electronics, Inc., and Artilect Green Co., Ltd. of Taiwan.

Tunable white LED drivers can be found in the DiiA Product Database by selecting the following filters at the left-hand side of the screen:
>> Control gear >> Colour Control >> Colour Type Tc

DALI and wireless

As previously announced, DiiA is investigating different opportunities to combine wireless communication links with DALI lighting control (see News). Our "Wireless Gateway" and "Part 104 Wireless" subgroups are making strong progress, and we have signed liaison agreements with the Zigbee Alliance and the Thread Group.  Stay tuned over the coming months for further announcements.

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We welcome any questions you may have about DALI, D4i, the DiiA and DALI-2 certification.
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First Zhaga-D4i luminaires are certified

Several outdoor LED luminaries have received Zhaga-D4i certification, as part of the joint program from Zhaga and DiiA.

The first certified Zhaga-D4i luminaires were the Luma Gen2 from Signify (see image, right), followed by the Flexia and Izylum (see image, left) fixtures from Schréder.

Zhaga-D4i luminaires have a powered Zhaga receptacle, which can accommodate a sensor or communication node with a corresponding Zhaga plug.

Also, Zhaga-D4i luminaires use LED drivers meeting the D4i requirements, including the availability of DALI-2 luminaire, energy and diagnostics data.

The first Zhaga-D4i luminaires are outdoor fixtures that are certified in accordance with  Zhaga Book 18 Ed 2.0. 

More Zhaga-D4i luminaires are likely to be certified soon, especially since there are already more than 30 certified D4i drivers listed in the DiiA product database, from at least 3 manufacturers.

>> More details

DiiA membership exceeds 230 companies

DiiA is very pleased to announce that its total membership has now reached more than 230 companies. Synapse Wireless and Niko Group have both upgraded their membership status to become Regular members of DiiA. They are joined by Vossloh-Schwabe GmbH, which recently separated from Panasonic.
DiiA is pleased to welcome several new Associate members to the organization:
  • Altez Elektronik Aydinlatma San ve TlC, Ltd, Sti (Turkey)
  • Artistic Licence Engineering Ltd. (UK)
  • Crestron Electronics (USA)
  • EAE Teknoloji Arastirma Gelistime San. ve Tic. A.S. (Turkey)
  • EmCom Technology Inc. (Taiwan)
  • Epower Tech Co., Ltd. (China)
  • frogblue Technology GmbH (Germany)
  • GlacialTech Inc. (Taiwan)
  • Guangdong Mason Technologies Co., Ltd. (China)
  • Keytec Technology Co. Ltd. (China)
  • Kosnic (Suzhou) Limited. Co (China)
  • Lucy Zodion Limited (UK)
  • LumenRadio AB (Sweden)
  • MRBAS Co., Ltd (South Korea)
  • Orlight Limited (UK)
  • perdix gmbh (Switzerland)
  • Pharos Architectural Controls Ltd (UK)
  • The Light Group AS (Norway)
  • UL International Italia S.r.l (Italy)
  • Up-Shine Lighting Co., Limited (China)
  • Vkan Certification & Testing Co., Ltd. (China)
We also have several new Community registrations from luminaire makers:
  • Adolf Schuch GmbH (Germany)
  • B&T Associates Ltd (UK)
  • i-Valo Oy (Finland)
  • Stera Technologies Oy (Italy)
  • Switch Made (Italy)
Both Regular and Associate members of DiiA are able to certify their DALI-2 products. Regular members are able to participate in DiiA’s work groups and contribute to the development of test sequences and new specifications. Community registration allows companies to list their DALI-2 luminaires on the DiiA website. Benefits of the different membership classes can be viewed here.
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