A worldwide standard in lighting control DALI (Digital Addressable Lighting Interface) is a trademark for a digital, network based system for light control. The underlying technology was established by a consortium of lighting equipment manufacturers in 1997 – 98 as an open standard. The technical standard is IEC 62386.
General technical system data
• Up to 64 addresses, 16 groups and 16 scenes
• Up to 250 mA on the BUS
• Up to 300 meter standard installation cable or maximum 2 volt
signal drop on the cable
A dynamic standard
The DALI standard and protocol has been expanded several times when new devices have been included as new part numbers in the standard. Each new device has also been given a new device type number (DTx). Important updates include: Emergency light (part 202; DT1), LED drivers (Part 207; DT6) and Color/Tuneable white control (Part 209; DT8)
The next generation
DALI version 2 is a new step in the development of the standard. In the new version, control and input devices will be included. DALI-2 also adds a lot of new functionality to existing devices. As opposed to DALI version 1, DALI-2 involves independent verification of test results, not only a self-declaration.
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