Evaluating Alarm Information in the Program Code The alarm table visualization element can write information from the visualization to an application variable at runtime. This variable can be evaluate

Recording Data and Displaying as a Trend You can define project variables and/or device parameters whose values are recorded over time. The display of the recorded data is decoupled from the recording

Configuring a Recording To execute trend recording on a runtime system, you need an application with a Trend Recording Manager object that contains at least one Trend Recording object. Then you can co

Getting Started with Trend Recording To execute trend recording on a runtime system, you need an application with a Trend Recording Manager object that contains at least one Trend Recording object. Th

Configuring an Interval-Based Recording In the case of interval-based recording of data, this is done at a fixed time interval, which is set to 10 s by default. You can adjust the time interval. Tip R

Configuring a Task-Dependent Recording You can configure a database on the runtime system and the data buffering. Timeout for trend recording During a trend recording, it can happen that the applicati

Configuring Variables Important The number of variables is limited for trend recording. But you can adjust the number per trend recording. To do this, open the object. You will find the Maximum number

Starting and Stopping a Recording You can configure a condition for a trend recording during the recording. When the Boolean variable becomes TRUE , the recording is started. When the Boolean variable

Displaying Data Graphs with a Trend Element A Trend visualizes data which is used in the database of a trend recording. In contrast to the Trace element, the Trend element is particularly suitable for

Getting Started with Trend Visualization When you execute a trend, it is best to proceed with user guidance and the help of the trend wizard. Procedure . Development of a visualization with trend Crea