What is KNX

A brief introduction to KNX

The demand for comfort and versatility in the management of heating, lighting and access control systems for a family home as well as an office complex is growing. At the same time, the efficient use of energy is becoming increasingly important. People want a comfortable, sustainable and safe place to live and work. That's where automation jumps in.

However, more convenience and safety together with lower energy consumption can only be achieved by intelligent control and monitoring of all products involved. This is a true challenge as it implies more wiring, running from the sensors and actuators to the control and monitoring centers. For professionals, such a mass of wiring also means higher design and installation efforts, increased fire risk and soaring costs. This is the problem the KNX solves.

Want to seamlessly integrate and configure products from some of the biggest and best international manufacturers using a single software tool? We can help.

The benefits of KNX

   Reduced site installation

   Not locked into any one manufacturer

   Less cabling, containment, and wastage

   Data can be passed from one application to another

   Efficient installation, one integrator, one system

   Applications can share devices

   Increased levels of control and functionality

   Standard commissioning procedures

   Increased energy efficiency – more sustainable

   World wide standard over 28 years

   Improved environmental comfort

   Flexible and fully upgradeable

   Enhanced user experience

   Forwards compatibility

   Applications can share devices

   Reduced maintenance

   Reduced number of devices on the wall

   Open protocol – end client has full access


Realizing the automation dream 

Automation doesn't have to be difficult. It simply requires a system that does away with the problems of isolated devices by ensuring that all components communicate via one common language. The kind of device you want to use doesn't matter anymore.

KNX is home and building control made easy. By using a principle called interworking, technology can be controlled and monitored via a uniform system. KNX allows you to control lighting, shutters, security systems, energy management, heating, ventilation, air-conditioning, signaling and monitoring, interfaces to service and building control systems, and more. KNX also offers remote and audio / video control.

Getting Started

Want to get started with the KNX technology, but don’t know where to start? We’re here to help!

KNX offers you a wide range of training possibilities to learn the ins and outs of our ETS software. By following our step by step education plan you will acquire all the knowledge and skills you need to easily develop automation projects with KNX.

You can also visit knx.org for more information »



KNX solutions can be used across an extremely wide range of building control and automation applications across all market segments including commercial and industrial. It is highly flexible and is typical for the system to be used for many different applications within the one project. Such applications include:

   Lighting Control

   Audio-Visual Control and Interfacing

   Façade Automation – blinds, solar control, windows, natural ventilation

   Touch Screen and Visualization Interfaces


   IP Connectivity & Remote Access

   Energy Metering and Management

   Façade Automation – blinds, solar control, windows, natural ventilation

   Security & Monitoring

The KNX Topology has no limit to the size and scale of the buildings in which it can be used. It is equally well suited to large scale commercial projects as to a residential building.

One KNX line can support up to 64 KNX devices using a single power supply. These lines can be repeated and cascaded to include multiple KNX lines of 64 devices by using IP or KNX backbones. In this manner the size of the system is virtually limitless.

KNX is extremely powerful when interfacing with other systems and protocols as there are many established gateways from a number of suppliers. These include OPC Servers, SCADA, BACnet, DALI and others. These interfaces and gateways are commonly used all over the world and have been tried and tested.


In recent years there has been a growth in gateways from established manufacturer-based proprietary systems offering their own gateway for KNX. If considering such a solution consideration should be given to whether the gateway has true KNX Certification and the benefits of working with a single manufacturer’s proprietary solution as this could be counter-intuitive to the power of KNX, i.e. manufacturer independence.


  1-10V Analogue Systems

  Modbus (metering)







   IP Interfaces


   USB Interfaces


   Serial Interfaces



KNX for every kind of project

Office buildings Whether you want to implement KNX in a new building or a renovation project, building automation can be realized in every project type.


Office buildings 

Residential buildings Design your office so that it meets your needs and saves money. With KNX you can substantially decrease your maintenance costs in terms of energy consumption. Studies show that the use of smart technology in office buildings can increase the productivity and quality of the work environment.

Residential buildings 


Design your own living space tailored to you lifestyle with KNX technology. A luxury villa or modern apartment building with the highest comfort and quality will increase your home’s value



Schools Hotel owners want to offer a high level of comfort to their guests. At the same time, it is important to save costs by being smart about controlling of energy usage. Building automation with KNX is the perfect solution to meet your guests’ high expectations while also optimizing energy usage.

Schools and universities 

Hospitals Schools and universities are confronted with the challenge of providing students with comfort and efficiency at an affordable cost. Safety is also paramount of an educational environment. Smart automation with KNX can help.


Stadiums A reliable and efficient digital infrastructure is extremely important for hospitals. Constant monitoring, safety measures and efficient energy management can improve the daily routine at an health organization where every detail counts.

Stadiums and sport facilities


A highly flexible automation system proves to be a real asset for the daily management of infrastructure for both large and small sport facilities

Industrial buildings 

Reliable infrastructure is critical for industrial buildings. KNX offers a safe and easy to manage the system for a stable production process.

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