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ABB KNX Building Automation

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  • ABB KNX Building Automation

ABB KNX is part of ABB’s leadership in building automation, offering a reliable and flexible platform for smart buildings worldwide. Using the KNX open standard, ABB provides integrated solutions for lighting, energy management, security, and more, enabling seamless control and long-term flexibility. KNX-based systems by ABB combine global standards with ABB’s expertise, ensuring smart, future-ready buildings that are efficient, adaptable, and easy to manage.

What Is KNX?

KNX is the universal operating system that underpins ABB’s intelligent building automation solutions. As an open, global standard for home and building automation, KNX enables devices such as lighting, heating, ventilation, security, blinds, and energy management systems, even from different manufacturers, to communicate and work together seamlessly through a single, unified system. KNX is widely adopted in residential, commercial, and industrial buildings worldwide, delivering reliable control, energy efficiency, and long-term flexibility for smart buildings.

How Does KNX Work?

KNX operates using a decentralised bus system architecture:

  • Devices are connected via a dedicated KNX bus cable 
  • Each device contains its own intelligence
  • No central controller is required
  • Devices communicate using standardised KNX telegrams

This decentralised approach increases system reliability, as each function operates independently while remaining part of a unified automation network.



 

Energy Efficiency
KNX enables intelligent energy management by automatically adjusting lighting, HVAC, and shading based on occupancy, schedules, and daylight.
Manufacturer Independence
KNX supports thousands of certified products from hundreds of manufacturers worldwide, avoiding vendor lock-in.
Future-Proof Smart Buildings
KNX is continuously developed and maintained, ensuring long-term compatibility and relevance for modern and future buildings.
Adaptability and Flexibility
KNX systems can be easily expanded or reconfigured as building needs change — without replacing existing infrastructure.
Reliability
Because intelligence is distributed across devices, KNX systems remain operational even if individual components fail.

Lighting Control

KNX supports intelligent lighting control, including switching, dimming, and scene creation. Lighting can respond automatically to occupancy, daylight levels, or schedules, improving comfort while reducing energy consumption.

HVAC Control

KNX allows precise control of heating, ventilation, and air conditioning systems through zoning and scheduling. Temperature settings can adapt to occupancy and time of day to maintain comfort and optimise energy use.

Blinds and Shading

KNX automates blinds and shading systems to manage sunlight and reduce glare and heat gain. Shading can respond to sun position or indoor conditions, helping improve comfort and energy efficiency.

Security and Safety

KNX integrates with security and monitoring systems to enable automated responses to events such as motion detection or alarms, enhancing building awareness and occupant safety.

Energy Management

KNX enables energy monitoring and optimisation by collecting usage data and supporting automated energy-saving strategies to reduce operating costs.





KNX (Open Standard) Proprietary Systems
Open, international standard Vendor-specific
Multi-manufacturer compatibility Limited interoperability
Long-term system availability Risk of product obsolescence
Easy to expand and adapt Often difficult or costly to modify
Independently certified Controlled by a single vendor

ABB’s Role in the KNX Ecosystem

ABB is a global leader in electrification and building automation and a key contributor to the KNX ecosystem. Through its ABB i-bus® KNX solutions, ABB delivers KNX-certified devices designed for residential and commercial buildings, combining:

  • Proven KNX interoperability
  • Industrial-grade reliability
  • Global support and expertise
  • Integration with broader ABB building automation solutions


KNX Systems – FAQs
 
  • What is KNX?
KNX is an open, global standard for home and building automation that allows different devices and systems to communicate through a single, decentralised control system.

  • What are the benefits of KNX?
KNX offers energy efficiency, flexibility, manufacturer independence, reliability, and future-proof automation for smart buildings.

  • Is KNX suitable for commercial buildings?
Yes. KNX is widely used in residential, commercial, and industrial buildings worldwide.