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Topics

DALI-2

Lighting control with DALI — the Digital Addressable Lighting Interface (DALI) is a communication protocol for building lighting applications. It enables communication between lighting control devices such as electronic control gear, brightness sensors, or motion detectors.

DALI system features:

Easy reconfiguration when changing room usage
Digital data transmission via two-wire line
Supports up to 64 single units, 16 groups, and 16 scenes per DALI line
Status confirmation of individual lights
Configuration data (e.g., group assignments, light scene values, fading times, emergency lighting/system failure level, power-on level) stored in the electronic control gear (ECG)
Flexible bus topologies: line, tree, star, or any combination
Cable lengths up to 300 meters (depending on cable cross-section)

DALI Explained Simply

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

The DALI-2 standard is published under IEC 62386. In addition to defining control gear, it also specifies the requirements for control devices — including our DALI Multi-Master Module.