BatiBUS
BatiBuswas a network protocol forbuilding automationthat was introduced in 1989 and has since been succeeded byKNX.It was a relatively simple low-costprotocolthat did not rely on dedicatedchips.[1]
The system was run by the BatiBus Club International (BCI),[2]which was founded by the Swiss companyLandis & Gyrand the French companies AIRELEC,Electricité de FranceandMerlin Gerin(who originated the concept). Predominately used in France and captured by French Electrical StandardNF C 46620,it provided layers 1, 2 and 7 of theOSI model.Approximately 500,000 BatiBus network units were installed, mainly in France.
BatiBus communicated overtwisted pairlines and intopologiesthat could be divided into several segments. Each segment was powered with a 15 volt power supply rated at 150 milliamps. A device (node) could be reached at one of 240 possible addresses. In addition, 16 group addresses could be established under which all nodes in a group could be reached. The nodes avoided data collisions viaCSMA/CA[3]and haddata flow controls.The maximumdata transfer ratewas 4800bits/s.[4]
References
[edit]- ^"BatiBUS".Centre for Window and Cladding Technology.
- ^"BatiBus Club International".Union of International Associations.
- ^"BatiBus".Retrieved2021-09-10.
- ^Levermore, Geoff (2013).Building Energy Management Systems: An Application to Heating, Natural Ventilation, Lighting and Occupant Satisfaction.Routledge. p. 101.ISBN9781135812089.
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