Device Historical Analytics

Purpose

Device Historical Analytics is a chart that shows the recorded values of the devices of the plant for a time period.

For the Dashboard controls, see Dashboard overview.

Lines: one line for each selected field and device.
Legend: below the chart, one dropdown for each field selects its devices, at first all of them. The arrows go to the next device model.
Plus and minus icons: set the period to 1, 2 or 3 days.
Date picker: the arrows move one day back or forward, and a click on the date opens a calendar. You cannot pick a future date.
Dashboard date control: the chart follows the date in the Dashboard top bar.
Magnifier icon: turns zoom on or off. The mouse wheel zooms the time axis, and the chart shows the zoom level.
Hand icon: starts select mode. Drag across the chart to see the Maximum, Minimum and Average of each line. Click the close icon to stop.
External link icon: opens the model in the legend in a different chart.
Warning triangle icon: shows or hides device events. Click a marker for details. The default is off.
Download icon: saves the data as an Excel file named deviceRecord.xlsx.
No data: if the period has no readings, the chart shows No Data For Time Period.

The spanner icon on the tile opens these settings, on two tabs.

Title: the name in the header. The default is Device History.
Compare with: Off, Previous day or Same day last week, as dashed lines. It works only with a 1 day period. The default is Off.
Device Models: selects a model and shows its fields. Tick a field to add it.

Refresh Fields: loads the field list again, then reloads the page.
Generic Logger Use: makes the chart work with more than one logger. The default is off.
Event marker switches: nine switches, ERROR to UNKNOWN, for the events on the chart. ERROR, WARNING and SYSTEM are on by default.