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Supervisory control and data acquisition (SCADA) is a system for remote monitoring and control that operates with coded signals over communication channels (using typically one communication channel per remote station).
communications network within a SCADA system is to connect the remote terminal units (RTUs) with the SCADA Master. Figure 1 below illustrates the communications network of SCADA equipment. Communications Network Options The data can be transmitted through a variety of different communications platforms such as: