Importance

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Abstract

A remote supervisory control system is provided in which a master system performs monitoring and control of a plurality of slave systems, maintaining the fine control capability of the past, while enabling implementation with the minimum memory capacity. The master system is connected, via channels, to a plurality of slave systems, each of which has a plurality of individual control points in its purview. The plurality of individual control points are grouped into groups of individual control points having the same attributes, prescribed operations being performed on the status information of all individual control points within each group, the results of these calculations being taken as the status information of a representative control point. This status information is collected in memories located within the master system. The status information of the representative control point can, if necessary, be expanded to the status information of each individual control point and monitored, enabling separate control of the individual control points, and it is also possible to restore to monitoring and control of the original representative control point.

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First Claim