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Firmware is the software that controls the basic functions of hardware devices. Firmware updates are typically made to:
Part 105 of the IEC 62386 standard defines how firmware in DALI devices can be updated via the DALI interface.
It is important to manage the risk of firmware updates - for example, creation of incompatibility issues - especially at a live site in the field. The DALI Alliance document “Firmware Update Checklist” gives guidance on managing this risk.
Download “Firmware Update Checklist”
Some examples of reasons for firmware updates include:
There are many other examples.
DALI-2 certification of devices implementing Part 105 confirms that firmware updates can be made via the DALI interface in a standardized manner.
Part 105 was added to the DALI-2 certification program in August 2023.
>> View press release
The DALI-2 tests enabling certification were created by the DALI Alliance and are based on Edition 2 of Part 105, which has not yet been published.
Edition 2 of Part 105 includes the following significant technical changes with respect to the previous Edition 1, which was published in March 2020 - see News.
All published Parts of IEC 62386 can be purchased from the IEC webstore.