Smart Lighting Control for Energy Efficiency

09/16/2025

Modern building automation requires efficient, flexible, and intelligent lighting control to optimize energy consumption, enhance user comfort, and reduce operational costs.

In environments such as office buildings, production facilities, and logistics centers, lighting systems must dynamically respond to changing conditions, including:

  • Sunlight levels – Adaptive daylight-based control to minimize energy consumption.

  • Temperature & weather conditions – Adjusting lighting settings in response to outdoor temperature fluctuations or weather changes.

  • User presence & motion detection – Automatic activation or dimming of lighting based on occupancy, using motion and presence sensors.

Support for Standard Communication Interfaces & Protocols

To ensure seamless integration into various building environments, the lighting system must support common communication standards and interfaces, including:

  • Digital I/Os for basic switching functions and direct control of lighting units

  • Analog signals for precise dimming control

  • BACnet protocol for structured communication with lighting systems and direct control of luminaires, dimmers, and switches

  • KNX communication for decentralized lighting control, enabling direct interaction between sensors, switches, and lighting units without requiring additional building management systems

By processing presence and daylight sensors, the system can dynamically adjust lighting intensity, ensuring optimal illumination while minimizing energy consumption.

The challenge is to provide a scalable and flexible control system that seamlessly integrates into various lighting infrastructures. ctrlX AUTOMATION enables tailored implementation to meet specific building requirements.



Key Features & Benefits

Seamless Integration into existing systems

  • Supports digital I/Os, analog signals, BACnet, and KNX for maximum compatibility

  • Direct control of lights, switches, and sensors without additional hardware or complex modifications

  • Easily deployable in both existing and new building automation systems

Scalability & Expandability through modular architecture

  • The flexible ctrlX I/O system allows scalability from single rooms to entire buildings

  • Expandable hardware and software ensure adaptation to future requirements

  • Supports both centralized and decentralized control concepts, making it ideal for various building types.

IoT Connectivity & high security for smart buildings

  • Integration of apps for energy monitoring, cloud connectivity, and remote maintenance

  • Secure communication via Ethernet & IoT protocols, following the highest security standards

  • Future-proof through software-based updates and extensions without hardware replacements

Build your Application with Bosch Rexroth Products

This application is realized with the following components:


Application status
Configure
Industry
Building Technology
General Automation
Technology
Electric Drives and Controls