Systems and processes of controlling a function of a person support apparatus are provided. An example system includes a person support apparatus adapted to support a patient. The person support apparatus comprising a controller adapted to communicatively couple with at least one removable component of the person support apparatus. The controller is adapted to determine the absence or presence of the at least one removable component. In response to the determination, the controller is further adapted to disable at least one movement of the person support apparatus in response to a determination that the at least one removable component is not present or enable the at least one movement in response to a determination that the at least one removable component is present.