SCADA stands for Supervisory Control And Data Acquisition. It is software package that is positioned on top of hardware to which it is interfaced, in general via Programmable Logic Controllers (PLCs), or other commercial hardware modules. It monitors real-time data to instantly view and control I/O points anywhere on the network, delivering real-time information that provides intelligent alarm notification, data acquisition, and remote control from a multitude of communication devices. The system offers powerful alarm annunciation, paging, and messaging tools as well as historical trending.
