US Patent 7164972 Method and apparatus for representing a building system

An arrangement for coordinating data representative of a building system includes a process connected to a memory. The memory stores a plurality of building space objects and at least one building automation device object. At least one building space object includes a reference to at least one of the group consisting of a parent building space object and a child building space object, a reference to at least one graphic file containing a graphic image representation of the building space, and a reference to information regarding one or more building automation devices associated with the building space object. At least one building automation device object includes a reference to a corresponding building space object, a reference to at least one operating value of the building automation device, and a reference to a link to a file containing information regarding the at least one building automation device object.