Building technical management controller with a two-wire data an

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340310R, 34082507, 364550, G06F 1520, G05B 2302

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active

050899740

ABSTRACT:
A building power management controller comprises a plurality of modules connected by a two-wire network. Each module comprises a data transceiver device, controlled by a microprocessor to both transmit data to the other modules and to a central unit via the two-wire network, and to receive information via this two-wire network. The modules are supplied with power by the two-wire network. When two modules transmit simultaneously, one takes priority so as not to disturb the messages transmitted.

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