Communications: electrical – Continuously variable indicating – With meter reading
Patent
1981-11-24
1985-04-16
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
With meter reading
34082552, H04Q 900
Patent
active
045118957
ABSTRACT:
An apparatus for controlling distributed electrical loads including a microprocessor based central controller coupled via a twisted pair bidirectional 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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Eichelberger Charles W.
Miller Edward B.
General Electric Company
Yusko Donald J.
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