Method and apparatus for controlling distributed electrical...

Details Method and apparatus for controlling distributed electrical... Method and apparatus for controlling distributed electrical...

G - Physics

05

B

379/8, 323/1.1

G05B 15/02 (2006.01) H02J 13/00 (2006.01) H04M 11/00 (2006.01) H05B 37/02 (2006.01)

Patent

CA 1198160

METHOD AND APPARATUS FOR CONTROLLING DISTRIBUTED ELECTRICAL LOADS ABSTRACT An apparatus for controlling distributed electrical loads including a microprocessor based central controller coupled via a twisted pair bi- directional data line to a plurality of microcomputer based transceiver decoders. Each transceiver decoder is coupled to a plurality of relays, each relay associated with a particular load to be controlled. Override switches and sensors, coupled to transceiver decoders provide override requests and information related to ambient conditions at the site of a load. A user defined data base includes sub-sets of relays called sectors, patterns of relay states, remote switches, a time dependent schedule and condition responses. A communication protocall and arbitration scheme provide for interactive communication between the central controller and each transceiver decoder with interfacing with the operation of any other transceiver decoder. Enhanced data storage capacity is achieved through dynamic allocation of memory space for pattern data.

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