Remote supervisory and controlling system

Details Remote supervisory and controlling system Remote supervisory and controlling system

1990-10-24

1992-05-26

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 858, 34082507, H04J 324, H04J 312

Patent

active

051174219

ABSTRACT:
A remote supervisory and controlling system for remotely supervising and controlling loads in time-divisional multiplex transmission of control units and monitor data between a central control and terminal units each connected to the central control unit through a two-wire line. Supervision and control of the overall system can be carried out from a plurality of locations so that failure of a central or host computer will not render the overall system inoperative.

REFERENCES:
patent: 3964023 (1976-06-01), Fauchez
patent: 4185272 (1980-01-01), Feiker
patent: 4393501 (1983-07-01), Kellogg et al.
patent: 4608561 (1986-08-01), Kojima et al.
patent: 4819228 (1989-04-01), Baran et al.
patent: 4888769 (1989-12-01), Deal
patent: 4908822 (1990-03-01), Wroblewski

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