What is the difference between DALI-1 and DALI-2?

Home - LED Lighting - What is the difference between DALI-1 and DALI-2?

What is the difference between DALI-1 and DALI-2?

DALI is the industry standard of communication protocol used to control lighting such as LED Drivers. The protocol is specified by the IEC (International Electrotechnical Commission) in the multi-part IEC 62386.

DALI-2 is the latest version of the DALI protocol.

In comparison to DALI-1, DALI-2 incorporates many additional features and commands. Whilst the DALI-1 standard only includes control gear, the DALI-2 includes requirements for input devices and application devices such as occupancy sensors as noted in part 103 of IEC 62386. The DALI-2 standard also enables devices from different manufacturers to be used together on the same DALI bus, offering additional flexibility.

What is the DALI-2 certification program?

Before being allowed to use the DALI-2 trademark, DALI-2 products must complete the certification process. This includes a verification step, checking that all required tests have been performed and that the product has passed successfully. Certified products can be found using the product database on the DiiA website.

What are the benefits of using DALI-2?

There are a few advantages of using DALI-2 as opposed to DALI-1 control gear including extended fade times and improved interoperability. This being said, if DALI-2 control gear isn’t available with the properties needed, then DALI-1 can be used. This is not likely to cause a problem, however, the additional features unique to DALI-2 control gear will not be available.

At Hilclare we stock a range of DALI dimmable LED light fixtures, such as the ISLA ADVANCED Gen 2, an ideal for commercial environments. If you would like more information about DALI or are interested in receiving a free site audit, then get in touch with one of our lighting specialists who would be happy to assist.

Get in touch today

For more information and a free site audit fill in our contact form