Graphs
From PLC Wiki
Through the Graphs Section, one is able to view real-time as well as historical information; thus, it helps the operations team see trends, anomalies and potential loci of optimization. It will produce a variety of graphical forms such as line chart, bar graph, or even pie graph to allow for in-depth analysis of the system's performance over a particular interval. This precious insight empowers teams to make decisions that are base on data, optimize system performance, and proactively respond to potential problems.