Patent ID: 8184562
Filing Date: 2012-05-22
Classification: G05B,Y02P

Abstract:
1. A distributed industrial process control system comprising: a central computer system located in a control room and a first wireless communication link associated with the central computer system for transmitting and receiving process control information to and from the central computer system; and a field mounted controller located a distance from the central computer system; a plurality of process control field devices; a process control network for communicating process control signals between the controller and the plurality of process control field devices, wherein at least one of the field devices either controls a physical process parameter based on a process control signal transmitted from the controller to the at least one of the field devices or measures a physical process control parameter and transmits a process control signal to the controller representing the measured physical process control parameter; and a second wireless communication link associated with the process control network for transmitting process control information to the central computer system and receiving process control information and secondary information from the computer system.