发明授权
US5307058A Remote supervisory and controlling system 失效
监督和控制系统

Remote supervisory and controlling system
摘要:
A remote supervisory and controlling System for remotely supervising and controlling loads in time-divisional multiplex transmission of control 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.
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