Method for control data base updating of a redundant...

Details Method for control data base updating of a redundant... Method for control data base updating of a redundant...

G - Physics

06

F

354/246

G06F 12/16 (2006.01) G05B 9/03 (2006.01) G06F 11/20 (2006.01) G06F 17/30 (2006.01) G06F 11/14 (2006.01)

Patent

CA 2016191

A process control system includes a process controller which has a first and second controller, one of the controllers being designated as a primary controller and the other controller being designated as a secondary controller. Each controller has a respective data base. The primary controller performs predefined control functions of the process control system which includes updating the data base associated with the primary controller as a result of performing the predefined control functions. A method for updating the data base associated with the secondary controller comprises the steps of performing the control functions. Results therefrom are utilized to update the data base associated with the primary controller. Simultaneously with updating the data base, predetermined information being stored in the primary data base is collected. At the completion of performing the control functions, the predetermined information which was collected is transferred to the secondary controller.

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