Saturday, November 13, 2010

Home Automation System Standards





A Home Automation system (HAs) should be very versatile and should offer both basic and advanced services, from the automation of light and motorizations to the higher level functions regarding remote communication and video and audio contents. It is possible to distinguish between the automation services and the multimedia services. In the first category we can think about the control of doors, windows, tends, roller blinds and roller shutters, antitheft devices, energy saving modules, temperature or air conditioning systems and irrigation plants, etc.

The lack of many system producers is to concentrate only on a subset of the aforementioned services, while a few can provide them all.

Nowadays, the only two standards recognized worldwide are Konnex and Lonworks. The first one is regulated from the International ISO/IEC 14543-3, the European CENELEC EN 50090 and also the Chinese GB/Z 20965, while the second one is regulated by the International IEC 14908 (parts 1, 2, 3, 4), the European EN 14908 and the Chinese GB/Z 20177.

In the Konnex standard devices are connected to a line max 64 devices per line, lines are grouped into area max 15 lines per area and areas grouped to form the system max 15 areas per system. This allows a max number of 14.400 devices.



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