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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

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DALI-2 System Graphics

Flexible, Convenient Lighting Control: with WAGO and DALI-2

WAGO's I/O System effectively showcases your lighting — from simple switching and dimming to daylight-dependent control and complex constant-light regulation — via centralized or decentralized systems.

The product range includes the DALI Multi-Master Module and various power supplies. WAGO's DALI Configurator enables straightforward commissioning and configuration of DALI network devices. WAGO also offers a wide selection of multi-sensors for motion and brightness detection.

Our DALI-2 products offer flexible lighting control solutions. Various controllers with different bus systems — such as BACnet, KNX®, or Modbus® — and the extensive module portfolio of the I/O System meet diverse requirements and interconnect different building systems.

WAGO's WINSTA® Pluggable Connection System enables scalable solutions for convenient lighting applications: DALI signals are distributed quickly, securely, and reliably transmitted to the lighting system.

DALI Products from WAGO

DALI Multi-Master Module
(Item No. 753-647)

The 12 mm-wide DALI Multi-Master Module (Item No. 753-647) is certified to the DALI-2 standard IEC 62386 and supports up to 64 DALI actuators (electronic control gear) as well as up to 16 multi-sensors (maximum of 64 sensor addresses). This eliminates the need to sensor-only parallel buses for brightness measurement and/or motion detection — saving both time and money. Commissioning and management of DALI networks have also been significantly simplified. Installation time is reduced, and the network structure is clearer — making DALI use more cost-effective than ever.

Each DALI actuator can be assigned to 16 groups and 16 scenes. The DALI Multi-Master Module also offers 16 additional virtual groups on the DALI bus.

Your Benefits:

  • Certified to DALI-2 Standard IEC 62386
  • Up to 64 DALI addresses for operating devices (ECGs) and control devices (sensors)
  • Freely programmable for complex applications
  • Interfaces between DALI and KNX®, BACnet®, Modbus® and others (in combination with the respective WAGO controllers)
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DALI Power Supply
(Item Number 753-620)

WAGO offers two options for supplying DALI modules, allowing customers to choose the most cost-effective solution. A 12 mm-wide module (DALI Multi-Master DC/DC Converter, Item No. 753-620) is recommended for a single DALI module with 200 mA. If several DALI modules are operated on one controller, an external 230 V power supply for DIN-35 rail with an output current of 1100 mA (Switched-Mode Power Supply, Item No. 787-1007 for DALI Multi-Master Modules Item No. 753-647) is the ideal choice.

Your Benefits:

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