Communications: electrical – Continuously variable indicating – With meter reading
Patent
1996-08-30
1999-01-12
Horabik, Michael
Communications: electrical
Continuously variable indicating
With meter reading
34031001, 340638, 961 64, 324424, 324537, G06F 1520
Patent
active
058595961
ABSTRACT:
A plurality of monitoring devices are connected to respective pieces of switchyard equipment and associated with a common communications network. A remote host computer is connected to the network to bidirectionally communicate with each monitoring device. The communications network is the existing power line used for delivering power and control signals to the switchyard equipment. Each monitoring device includes testing and/or monitoring circuitry for testing and/or monitoring one or more conditions of the piece of switchyard equipment and generating condition data therefrom, a storage device for storing the generated data, and a transmitter adapted to transmit the data to the remote location via the power line. The remote host computer receives the data transmitted to the remote location and stores the received data therein in a database format. The monitoring device can request previously sent data from the remote host computer. The monitoring includes an RS-232 port for accepting a local computer which conducts tests of the switchyard equipment, analyzes the results, compares the results with previous tests, and reprograms alarm parameters and baseline values associated with the switchyard equipment.
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Technical data manual for Intellon CENode PL, CEBus.RTM. Power Line Network Interface, Version 1.0, Intellon Corp., Ocala, Florida, Feb. 15, 1995, 28 pages.
Technical data manual for Intellon CELinx pl, CEBus.RTM. Spread Spectrum Power Line Transceiver IC, Preliminary Information Rev. 0.4, Oct. 1, 1993, Intellon Corp., Ocala, Florida, Oct. 1, 1993, 15 pages plus rear cover.
CSI Technology, Inc.
Horabik Michael
Wong Albert K.
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