Shared-use data processing for process control systems
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United States of America Patent
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Jul 28, 2009
Grant Date -
Feb 27, 2003
app pub date -
Aug 21, 2001
filing date -
Aug 21, 2001
priority date (Note) -
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Abstract
A data processing system and method for use with a process control system enables a plurality of process plants associated with different business entities to share a remotely situated data processing facility. The data processing facility includes a cluster of redundant servers that are communicatively coupled via a local network. Each of the redundant servers is adapted to acquire and process data received from the plurality of process plants. The data processing facility also includes a plurality of redundant data historians that are communicatively coupled to each other and to the cluster of redundant servers for storage of process data and analysis results. Each of the plurality of process plants includes internet-enabled field devices, internet-enabled field device interfaces, and/or internet-enabled data concentration nodes that send information to and receive information from the data processing facility via the Internet.
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