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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 Explained Simply

The manufacturer-independent DALI standard, defined in IEC 62386, ensures interoperability of electronic 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, published under IEC 62386, not only defines control gear but also specifies requirements for control devices — including our DALI Multi-Master Module.

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Building Lighting Control: DALI-2 Applications

The DALI protocol is used in building automation to control individual luminaires and lighting groups. Assigning luminaires to operating elements and grouping is performed using short addresses. A DALI master can control a line with up to 64 devices, each assignable to 16 groups and 16 scenes. Thanks to bidirectional data exchange, not only switching and dimming but also status messages can be transmitted from the operating unit back to the controller.

DALI maximizes flexibility by enabling lighting control to adapt to new conditions — such as changes in room layout or usage — via software, without requiring hardware modifications. Lighting assignments and groupings can also be adjusted after installation without rewiring. In addition, advanced DALI controllers can be integrated into higher-level controllers and connected to a complete building automation system via bus systems such as KNX®, BACnet, or Modbus®.

Your Benefits:

  • Quick and easy installation of DALI lights via WINSTA® Pluggable Connection System

  • Freely programmable applications offer high project flexibility

  • Ability to connect digital/analog sensors and actuators, as well as subsystems (e.g. DALI, EnOcean)

  • DALI EN 62386 standard compliance

  • “Easy mode” for lighting function control without complicated programming