After downloading the demo in our, you can now open the project in TwinCat.
First the software from CODESYS has to be installed (see Link)
After installing the software, run CODESYS V3.5.
Unzip the file "DEMOAgiatorTank.zip" that you downloaded from the Selmo - Download Center!
Start CODESYS V3.5 SP16 Patch 4:
Open the Project "AgiatorTank.projectarchive":
The project has been loaded:
Now you have to start the SelmoPowered HMI of your DEMO project (HMI)