To set the control function for a BACnet input or output object, you can choose to:
While in the Program / Simulate view, double-click on an object in the Browser to display the BACnet I/O Panel in simulation. From the simulated panel, right-click on an object control, (button or fader) and select "Set Control Function" from the context menu. The Set Control Function dialog displays for configuration.
To configure a Level or Indicator object, press (Alt) and click to select the point, then use the Property Editor to configure the Function.