AUTOMATION FOR TECHNICAL MANAGEMENT OF BUILDINGS WITH TWO-WIRE LINE FOR DATA AND ENERGY TRANSMISSION

摘要

P A building energy management automaton comprises a plurality of modules 14, 16, 18 connected by a two-wire network 10, 12. Each module comprises a receiving and transmitting data device, controlled by a microprocessor for transmitting via the two-wire network 10, 12 data to the other modules and to a central unit, and conversely to receive information by this two-wire network. The modules are supplied with energy by the two-wire network 10, 12. When two modules are simultaneously transmitted, one takes priority so as not to disturb the messages transmitted. /P