Search and install TwinCAT Functions
A Beckhoff RT Linux® installation contains the required software for the operating system and the TwinCAT 3 runtime. You can install additional software or TwinCAT Functions.
You can use this command to search for all packages that contain the term "TwinCAT":
apt-cache search . | grep "TwinCAT"
For example, to search for a specific TwinCAT function, you can use the following command:
apt search tf5000-nc-ptp-xar
Install the package with the following command:
sudo apt install tf5000-nc-ptp-xar