Patent ID: 6704737
Filing Date: 2004-03-09
Classification: G05B,G06F,Y02P,Y10S

Abstract:
A process control system distributed between a first physical location and a second physical location wherein the first and second physical locations are substantially geographically separated, the process control system comprising:a first database located at the first physical location to store a first set of data, the first set of data including configuration data pertaining to the process control system; a second database located at the second physical location to store a second set of data, the second set of data including configuration data pertaining to the process control system; a slow communication link that communicatively couples the first physical location and the second physical location; and a communication routine that uses the slow communication link to copy a portion of the first set of data from the first database and to store the copied portion of the first set of data as the second set of data in the second database.