Trends

Allows plotting the evolution of the value or indication of points in real time. A Graphic View must be predefined using the Point context menu, to which certain points of interest are added; then, when selected in this section, the evolution of the states and values of the composing points will be plotted over a defined time window. This feature might not be enabled in your license

Sampling of all defined Graphic Views starts once the user logs into EQUINOX Web. If the time window spans a period longer than the user’s connection time, the missing data is filled in using information from the historical value snapshots.

Access and usage

Access this section by selecting the corresponding tab, located after the Historian tab.

Buttons

Function
Selection of the Graphic View to display
Select the refresh rate in seconds
Select the time window in minutes, counting back from the current instant
View how many samples per point the chart holds (window / rate)
Move forward/backward n time windows, freeze chart updating
View the time shift into the past (n time windows)
Get the sample log of a point
Remove points from the Graphic View
Delete the Graphic View