The sun's light thrown back from the moon to the earth and returned from the earth to the moon! It seems never to have occurred to these students of imagination that this so-called earth-light is most intense when the moon is youngest, and therefore illuminates the earth the least.
In the 1980s, vendors and utilities were introduced to more standardized, interactive systems across larger networks, and SCADA use became common at utilities.n the power industry, SCADA is sometimes referred to as part, or all, of an EMS (energy management system). If connected to a power plant, it could be part, or all, of a GMS (generation management system). It also could be swapped with or added to a DMS (a distribution management system).
An Introduction To SCADA (Supervisory Control And Data Acquisition) For Beginners // On photo Monitor iFIX By ServiTecno via FlickR SCADA stands for supervisory control and data acquisition. It is an industrial control system where a computer system monitoring and controlling a process. Another term is there, Distributed Control System (DCS). Usually there is a confusion between the concept of these two. A SCADA system usually refers to a system that coordinates, but does not control processes in real time, but DCS do that. SCADA systems often have Distributed Control System (DCS) components. Components of SCADA