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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).
The functions of the SCADA system are the following [1, 2, 8]: 1  acquires data collected from the process; 2  manages alarms; 3  allows the needed actions for automation: a technological preset action; an initiating action of the events; a monitoring of the pre-defined sequences. 4  stores and archived data;