KNX is a standard for home and building automation.

KNX is approved as:

  • Internationell Standard (ISO/IEC14543-3)

  • Europa Standard (CENELEC EN50090 och CEN EN 13321-1 och 13321-2)

  • Kinesisk Standard (GB/Z 20965)

  • ANSI/ASHRAE Standard (ANSI/ASHRAE 135)

Convergence of Batibus, EIB and EHS
The predecessor specifications to KNX: Batibus, EIB and EHS, came into being in the early 1990s. At that time nobody could foresee their individual future. These three highly important homegrown European solutions for home and building control initially tried to develop their markets separately and tried to find their own places in European standardisation. Batibus did particularly well in France, Italy and Spain, whereas EIB enjoyed success in the German speaking and north European countries. EHS was the preferred solution for manufacturers of white and brown goods.

In 1997, the three consortia in charge of the above mentioned specifications decided to join forces to develop the market for intelligent homes with the agreed goal to develop a new, common industrial standard that could also be proposed as an international standard. The KNX specification was published by the newly set-up KNX Association in the spring of 2002. It is based on the EIB specification, supplemented with new configuration mechanisms and communication media originally developed by Batibus and EHS.

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