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Mark J Nixon, Robert Havekost, Ken Beoughter: Interconnected zones within a process control system. Fisher Rosemount Systems, Marshall Gerstein & Borun, October 30, 2007: US07289994 (27 worldwide citation)

A process control system includes multiple zones containing process control network communicatively interconnected to exchange information necessary to monitor the system and to perform process control. Each zone may include an inter-zone server that controls the exchange of information between the ...


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Nixon Mark J, Havekost Robert B, Beoughter Ken J: Interconnected zones within a process control system. Fisher Rosemount Systems, December 17, 2003: GB2389672-A

A process control system includes multiple zones 12, 14, containing process control networks 34, 58 communicatively interconnected 16, to exchange information necessary to monitor the system and to perform process control. Each zone includes an inter- zone server 32, 56, that controls the exchange o ...


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Nixon Mark J, Havekost Robert B, Beoughter Ken: Interconnected zones within a process control system. Fisher Rosemount Systems, February 1, 2006: GB2416603-A

A local process control network in a process control system having a plurality of process control networks 12,14 communicatively interconnected by communication links, 20, 22 the process control networks being able to transfer process control messages to each other via the communication links 20, 22 ...


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Mark J Nixon, Robert Havekost, Ken Beoughter: Interconnected zones within a process control system. Marshall Gerstein & Borun, August 15, 2002: US20020111948-A1

A process control system includes multiple zones containing process control network communicatively interconnected to exchange information necessary to monitor the system and to perform process control. Each zone may include an inter-zone server that controls the exchange of information between the ...


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