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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 two-wire line
Supports up to 64 single units, 16 groups, and 16 scenes per DALI line
Status confirmation of individual luminaires
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 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.

Building Lighting Control: DALI Applications

The DALI protocol is used in building automation to control individual lights and lighting groups. Assigning individual lights to operating elements and grouping lights is performed via short addresses. A DALI master can control a line with up to 64 devices. Each device can be assigned to 16 individual groups and 16 individual scenes. With bidirectional data exchange, not only are switching and dimming possible, but status messages can also be returned to the controller by the operating unit.

DALI maximizes flexibility by easily adjusting lighting control (via software without hardware modifications) to new conditions (e.g., changes in room layout and usage). Lighting can also be assigned or grouped after installation (e.g., changes in room usage) easily and without rewiring. In addition, advanced DALI controllers can be integrated into higher-level control systems and incorporated into complete building automation systems via bus systems (e.g., KNX, BACnet or MODBUS).

Advantages of Our DALI Products:

Quick and easy installation of DALI luminaires using WINSTA^® Pluggable Connection System from WAGO
Freely programmable applications for maximum project flexibility
Connection of digital/analog sensors and actuators, as well as subsystems (e.g., DALI, EnOcean^®)
Certified to the DALI-2 standard (EN 62386)
“Easy mode” for lighting functions without complex programming