Part2: How do you use screen windows and TagPrefix with WinCC RT Professional (TIA Portal V14 SP1)?

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Description
WinCC Professional provides you with "screen windows" for configuring your automation task. This means that you can have screens of your configuration displayed as windows in other screens.
The screen windows have 5 important parameters: The name of the screen that includes the configuration for the operating and display elements, and a "tag prefix", which is the name of a UDT instance which contains the process data to be displayed.

1. Create a WinCC (TIA Portal) project with one SIMATIC PC station and one WinCC RT Professional.

2. In this project you create a screen which you configure a start screen with the name "Home", for example. The screen windows will later be in this screen.

3. In the project library for the process data you configure a user-defined data type (UDT) named "MOTOR". Define "WinCC Runtime Professional" as device type for the UDT.