Abstract: Disclosed is a system for controlling appliances of at least one building, each appliance being associated with a local controller and having a control input and at least one control point. The system includes a central processor computer having an operator interface and an equipment interface, a network connected to the equipment interface and having a plurality of nodes for communicating with each of the appliances, a log file being stored with respective area, description, and address fields containing corresponding data of the control points. A control program in the computer feeds the equipment interface to drive the control inputs of the appliances in response to a database, the database being populated from a tagname dictionary.