Economic and functional light management system

Simple light management with app via Bluetooth

Easy commissioning with plug-and-play, convenient configuration, operation and control via smartphone with our free app: With versatile control solutions for DALI LED drivers, you can install professional light management as simply and conveniently as never before.

With the three control units DALI ACU BT, DALI ECO BT and DALI ECO BT RTC, you have all the options you need to efficiently and economically realize lighting systems in rooms with up to 32 luminaires under 100 m2: medium-sized offices, small conference rooms, stairwells and foyers or corridors.

While DALI ACU BT is installed in flush-mounted boxes behind a classic push-button, DALI ECO BT is suitable for luminaire installation or with a strain relief for independent installation, e.g. in suspended ceilings. DALI ECO BT RTC additionally offers you an integrated real-time clock (RTC). This creates the basis for daytime-dependent control and thus for the development of human-centric lighting concepts for simulating the course of daylight in color temperature and brightness.


  • Intuitive manual switching and dimming, color temperature adjustment
  • Lighting control for up to 32 standard or Tunable White DALI drivers (DT8)
  • Operation also possible via standard push-buttons
  • Storage of individual scenes, up to 4 groups can be controlled separately
  • Scene recall possible via OSRAM DALI PRO PB push-button coupler
  • Daylight-dependant and presence-dependent lighting control, connection of up to 4 OSRAM DALI sensors and an unlimited number of push-buttons
  • Outputs with electronically reversible overtemperature, short-circuit and overload protection
  • Simplified commissioning thanks to predefined function modes
  • Firmware update possible wirelessly via Bluetooth


Additional features for DALI ECO BT:

  • Lighting control with integrated clock for automatic control of color temperature and brightness (HCL)
  • Adjustable HCL characteristic curve with up to 24 points for automatic adjustment of light value and color temperature during the day
  • Up to 4 timers with adjustable on/off time and weekday

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App control is revolutionizing commercial lighting

An interview with Norbert Fuchs, Product Manager for LUXeye and Ursula Krüger, Product Manager for DALI ACU BT

OSRAM: What impact has digitalization had on lighting solutions and how do you interpret the potential of app-controlled lighting?

Norbert Fuchs: Digitalization occurred much faster than expected. Lighting has come a long way from incandescent lamps. With smartphone app control, there are unlimited possibilities. A lot of our customers – including installers, wholesalers and OEMs were unsure how to take advantage of these possibilities. We partner with them using IoT solutions to enable digitalization with app control, by providing the knowledge, infrastructure and products.

Ursula Krüger: Especially in Europe and other industrialized countries, light digitalization is already established and continues to evolve. Everyone has their smartphone at hand constantly, and it is obvious that the mobile phone is also used for lighting control.

OSRAM: How do your products help make installation and maintenance more efficient? What are the end-user benefits?

Norbert Fuchs: LUXeye is our energy efficient, autonomous compact light control with motion sensors and it’s an app interface. Customers can easily update the main parameters with a screwdriver, however they wanted greater flexibility and control, which they have with the smartphone app. The app adds transparency, and customers can also receive diagnostic information.

Ursula Krüger: It is important for the installer that everything is easy to install, without complex wiring. The DALI ACU BT is ideal if there is existing DALI lighting. There is nothing to configure, and existing configurations can be customized in the app with drag & drop and drop-down menus. This saves time and costs, with easy troubleshooting.

OSRAM: How does the app revolution apply to commercial lighting? What is the general idea behind app control?

Norbert Fuchs: App control gives commercial customers the ability to override autonomous lights. The customer can easily change the default settings. We created two apps, the commissioning app helps to minimize commissioning time. The other app is designed for the end-user – it’s a controller. In designing the apps, we learned from our previous experience with other products, to make everything more efficient.

Ursula Krüger: The trend to focus on people and their needs is clear. Human Centric Lighting is becoming more and more important, and our controller is ideally suited, together with the app. The installer can use the configuration menu intuitively, and the end-user can adjust lighting to individual preferences.

OSRAM: What challenges do commercial lighting professionals and their customers face in the current lighting landscape?

Norbert Fuchs: The demands of modern business have created many challenges. The need for easier commissioning by installers and greater control and ease of use by end-users, the ability to retrofit existing systems and to provide future-proofing. LUXeye addresses these challenges.

Ursula Krüger: Commercial lighting requirements vary greatly. From a small office, large office, to solutions for entire floors or entire office buildings. The challenge today is to give installers and end-users the opportunity to understand and then apply the new digital world. The advantage of our solution DALI ACU BT, is that it is simple, without the need for prior knowledge.

State-of-the-art control for professional lighting has never been easier

No matter the situation or setup, OSRAM mobile applications give fine control over configuration, maintenance and usage over modern lighting solutions.

OSRAM BT: Intelligent lighting for modern workplaces


This mobile app features autonomous connected component detection and automatic light calibration, meaning the manual commissioning and adjustment of daylight-dependent controls are now a thing of the past.

OSRAM BT Control

Control DALI-capable luminaires at a touch. This app lets users intuitively adjust light levels and color temperatures, save individual light scenes and manually overwrite automatic lighting control.