To configure a controller, select it from the list, as shown below:
The screen will appear, allowing you to configure the inputs and outputs of the selected controller:
The section allows you to add, view or edit the data inputs and outputs of the selected controller. You can navigate to either the full list of inputs/outputs or to a specific input/output in particular.
To add a new data input, click on the button from either the or screen, as shown below: