History Trend Display

The History Trend display visualizes historical data in a trend view, based on archived raw data of the selected time frame which is aggregated by the selected algorithm on the server side. Multiple trending objects are supported with a large variety of configuration and display options. The HistoryTrend display can be opened from the Open menu (shortcut Ctrl+H) or by right-clicking on an object in one of the model panels, selecting Add item to… > History Trend from the context menu and choosing a time period from the list or using the Time Period Settings dialog (shortcut Alt+H).

A detailed tutorial on working with the HistoryTrend display and it’s features is available in the Working with the History Trend page.
All OPC UA aggregates are supported, plus inmation specific ones for best trending results. Refer to the OPC UA spec for a detailed explanation of the available aggregate algorithms.
History Trend Display
Figure 1. History Trend Display
Table 1. History Trend Display Menu Bar Options
Element Shortcut Action

icon save

Ctrl+Shift+S

Calls the Save Display dialog

icon open

-

Calls the Open Display dialog

icon settings

-

Calls the Settings dialog. See the History Trend Settings for more information on configuring the settings.

icon export

-

Exports the current content of the trend into a file (CSV, MS Excel, JSON) and opens the file automatically

icon backward

Ctrl+Z

Undo action

icon forward

Ctrl+Y

Redo action

icon play backward

-

Shift trend to left (backwards in time)

icon play forward

-

Shift trend to right (forwards in time)

icon time period

F6

Open Select Time Period Setting dialog. See the Changing Time Period section for more details on using the Time Period Setting dialog.

icon refresh 02

F5

Refresh trend data based on current Time Period Setting

icon play

-

Play/Pause auto updating

icon common axis

-

Switch Y-axis types

icon cursor

Middle mouse click

Add cursor line

icon cursor floating2

-

Switch cursor line legend type

icon zoombar

Ctrl+Shift+O

Show/Hide X-axis zoom bar preview