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Topics

The Standard in Lighting Control – DALI

Lighting control with DALI – The “Digital Addressable Lighting Interface” (DALI) is a communication protocol for building lighting applications and is used for communication between lighting control devices, such as electronic ballasts, brightness sensors or motion detectors.

DALI System Features

  • Easy reconfiguration when changing room usage
  • Digital data transmission via 2-wire line
  • Up to 64 single units, 16 groups and 16 scenes per DALI line
  • Status confirmation of individual lights

  • Storage of configuration data (e.g., group assignments, light scene values, fading times, emergency lighting/system failure level, power on level) in the electronic control gear (ECG)

  • Bus topologies: Line, tree, star (or any combination)
  • Cable lengths up to 300 meters (depending on cable cross-section)

DALI Simply Explained

The manufacturer-independent protocol is defined in the IEC 62386 standard and ensures interoperability of control devices in digitally controllable lighting systems, such as transformers and power dimmers. This standard replaces the often-used analog 1 to 10 V dimmer interface.