What are faceplates?
Just as with a function block in a PLC, a faceplate is a reusable object that can be instantiated with its own parameters. This allows an HMI to reuse objects with interface properties populated with different values. You can see an example of a faceplate instantiation in the following screenshot:
Faceplates are very useful for common object controls due to their reusable nature. They also offer a method by which we can update multiple instances by modifying one library version. In Totally Integrated Automation Portal (TIA Portal), faceplates must be created at the Project library level and then instantiated in the project. This ensures the paradigm shown in Figure 11.1 is followed at all times.
TIA Portal V17 faceplates
In TIA Portal Version 17 (V17), there are two types of faceplates: one for Panels / WinCC Runtime Advanced and another for Unified Comfort Panel / WinCC Unified...