Hallo and in this tutorial I will explain how to use TwinCAT TF6271 as a Profinet RT Controller and Using Codesys runtime as a Profinet Device. Let’s Do it! System Requirment Configuration Insert Controller Go to I/O and right click Devices>Add New Item. Choose Profinet > Profinet I/O Controller(RT) and press OK. And then you need to choose the Network Interface Card. Profinet Controller is inserted into your project. Insert … Continue reading Beckhoff#Using TwinCAT3 TF6271 as a Profinet RT Controller