Data processing: measuring – calibrating – or testing – Measurement system – Performance or efficiency evaluation
Reexamination Certificate
2005-12-13
2005-12-13
Bui, Bryan (Department: 2863)
Data processing: measuring, calibrating, or testing
Measurement system
Performance or efficiency evaluation
C700S004000, C700S079000, C709S233000
Reexamination Certificate
active
06975966
ABSTRACT:
A process plant includes a safety system that is physically and logically integrated with a process control system such that the safety system and the process control system can use common communication, diagnostic and display hardware and software within the process plant while still providing functional isolation between the safety system controllers and the process control system controllers. This integrated process control and safety system uses a common data communication structure for both the safety system and the process control system so that applications can send data to and receive data from devices in either system in the same manner, e.g., using the same communication hardware and software. However, the common data communication structure is set up to distinguish process control system devices from safety system devices using tags, addresses or other fields within the messages sent to or received from the devices, which enables data associated with the process control system to be distinguishable from data associated with the safety system, thereby enabling a diagnostic application within a user interface to automatically treat this data differently depending on the source (or destination) of the data.
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Search Report under Section 17 issued in GB 0401717.4 application by the United Kingdom Patent Office on Jun. 14, 2004.
Havekost Robert
Law Gary
Ott Michael G.
Scott Cindy
Sherriff Godfrey
Bui Bryan
Fisher-Rosemount Systems Inc.
Le John H.
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