A controller capable of being employed in a distributed control system, where the distributed control system controls operations of a plurality of devices that operate together to perform a process, and a method of communicating information between a first program portion and a second program portion of such a controller, are disclosed. The controller includes at least one processing component configured to perform a first plurality of program portions that operate in relation with one another as a first agent. The plurality of program portions includes a first program portion that controls agent-type behavior of the controller, and a second program portion that at least one of controls and monitors at least one of the devices. The controller further includes at least one memory component that stores a data table that is accessed by each of the first and second program portions to allow communication between those program portions.