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DALI Newsletter December 2019

Welcome to the December 2019 edition of the DALI Newsletter from DiiA. This month we are pleased to report the start of D4i certification, followed quickly by the first certified D4i LED drivers which can now be found in our product database. In turn, we hope to see the first Zhaga-D4i luminaires soon. Also, we are taking steps towards standardizing the way in which DALI lighting control can be combined with wireless communication links. 


DiiA starts D4i certification of LED drivers

DiiA has started its D4i™ certification program. D4i brings standardization to intra-luminaire DALI, and extends the existing DALI-2 program by adding a specific set of new features that enable intelligent, connected, future-proofed LED luminaires.
>> More details

First D4i certified LED driver added to DiiA product database

Like all DALI-2 LED drivers, this D4i driver implements certain DALI-2 Parts (101, 102 and 207). In addition, D4i certification has further requirements. D4i LED drivers are capable of delivering power to the DALI bus (as specified in DiiA Part 250), and also can store and report a defined set of luminaire, energy and diagnostics data (DiiA Parts 251, 252 and 253).

Finally, this product can deliver an auxiliary (AUX) 24V power supply, as defined in DiiA Part 150; this specification is optional for D4i certification.
>> More details

DALI and wireless in focus for DiiA standardization experts

The different opportunities to combine wireless communication links with DALI lighting control are now being formally investigated by DiiA. Our Technical & Certification Work Group (T&C WG) has formed two new subgroups to investigate different options for combining wireless with DALI. DiiA expects that the subgroups will work in cooperation with the appropriate partner organizations.

At this stage, DiiA has not decided which option(s) or which protocol(s) will be supported in DALI-2.

The “Wireless Gateway” subgroup is discussing specifications for standardized application gateways between DALI-2 and existing wireless protocols such as Bluetooth mesh or Zigbee. 

Meanwhile, the “Part 104 Wireless” subgroup is discussing the implementation of DALI-2 over different wireless carriers, in line with Part 104 of the DALI standard IEC 62386. This specification, which is not included in DALI-2 certification at present, uses the underlying wireless carrier to transport the DALI commands, and translation is not required. 

DiiA Regular members are invited to participate in all T&C WG activities, including the new Wireless subgroups.
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Membership update

DiiA is pleased to welcome 2 new members. IoT Light S.r.l. (Italy) has become an Associate member, and Eetamax Energy Solutions Pvt. Ltd. (India) has signed up for Community registration. 

Benefits of the different membership classes can be viewed here.

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We welcome any questions you may have about DALI, the DiiA and DALI-2 certification.
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DiiA celebrates successful 2019

The end of the year gives the opportunity to reflect on a number of highlights for DiiA, including the following:
  • Membership exceeded 200 companies
  • More than 750 certified DALI-2 products listed in the database
  • More than 2,000 products listed in total
  • Start of DALI-2 certification for sensors and other input devices
  • First DiiA specifications published (Parts 250-253, 150, 351)
  • Alignment with ANSI standardization
  • Introduction of D4i for intra-luminaire DALI
  • Start of D4i certification for LED drivers
  • Agreement with Zhaga to launch Zhaga-D4i certification
  • New technical subgroups focusing on specific areas, including wireless
  • First all-member interoperability test event (Plugfest)
  • Organized DALI Summit 2019 (Austria)
  • Co-organized DiiA China Summit 2019 (Shanghai)
  • Major tradeshows/speaking engagements in USA (Lightfair), Asia (GILE, HK Lighting Fair) and Europe (LpS, LuxLive)
We look forward to collaborating with our member companies and other industry stakeholders to achieve further success in 2020.

DiiA looks forward to seminars and tradeshow participation in 2020

After a successful sequence of industry events in 2019, including the first DALI Summit at LpS in September, and the DiiA China Summit in Shanghai in November, DiiA is now looking forward to 2020. We intend to host further DALI Summit events in different locations, as well as training workshops and webinars that will be open to non-members. As our plans take shape, we will post further details on our Events page. For now, here is some information about events in the first half of the year.

LIA Technical Forum

In January, the UK-based Lighting Industry Association (LIA) hosts its regular Technical Forum. Among the speakers will be DiiA Board member Miguel Aguado of Lutron, who will discuss D4i and IoT, followed by Dee Denteneer of Zhaga, who will go into more depth on Zhaga-D4i certification.


Light+Building takes place on March 8-13 in Frankfurt, and DiiA will have a booth in the foyer of Hall 4.1 (FOY 15). DiiA staff and experts from member companies will provide demonstrations of DALI-2 and D4i capabilities, and answer any questions you may have.


At Lightfair in Las Vegas (May 5-7), DiiA will be at booth 12155. We will also host a mini “DALI Summit” seminar on Wednesday 6th May at 10:30-12:00.

>> Events page

Zhaga-D4i certification moves several steps closer

The Zhaga-D4i certification program has made further progress with the signing of a sublicense agreement between DiiA and Zhaga, and the publication of the Zhaga Book 18 Ed 2.0 specification.

Zhaga-D4i is a joint program developed by DiiA and Zhaga. Certification and logo usage will indicate luminaires, sensors and communication nodes that have plug-and-play interoperability.

The photo shows Dee Denteneer, Secretary General of Zhaga, and Paul Drosihn, General Manager of DiiA, signing the sublicense agreement that enables use of the D4i logo on qualifying Zhaga-D4i products.

Zhaga recently announced the publication of Zhaga Book 18 Ed 2.0, which specifies the mechanical, electrical and communication interfaces between luminaires and sensors and/or communication modules. This includes details for a solution with two modules.

In related news, the US-based National Electrical Manufacturers Association (NEMA) has published a new standard—ANSI C136.58-2019—which is aligned with Zhaga Book 18. The standard provides mechanical and electrical specifications for interfacing street and area lighting with controls and sensor accessories.

>> More details

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