iX Developer

Trend Viewer

9.2 Historical Mode in Trend Viewer

To be able to show historical data in a trend viewer, the curves needs to be connected to log items from a data logger.

To show trend viewer history, it is necessary to define trend actions to show and close the historical trend viewer. These actions can for example be programmed as button click actions. It is also possible to let the user select a time period.

Major ticks

settings for time axis will be ignored in historical trend viewers. In historical trend viewers the date and time will be viewed at start and end time. The text “history” is visible in the middle of the time axis.

Related information

Performance in the Operator Panel

Database

Click Action Trigger

Beijer Electronics, MAEN831H

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