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Process control loop analysis system

  • US 6,847,850 B2
  • Filed: 05/06/2002
  • Issued: 01/25/2005
  • Est. Priority Date: 05/04/2001
  • Status: Expired due to Term
First Claim
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1. An apparatus for evaluating real-time process control data comprising:

  • a process control system configured to operate on the process control data and to identify the process control data as coming from the process control system for output as identified process control data;

    a data historian configured to determine an interface for communicating with the process control system, based on the identified process control data, and operable to collect the identified process control data from the process control system, using the interface, and to further identify the identified process control data as coming from the data historian for output as historian-specific process control data; and

    a loop analysis processor connected to the historian and configured to receive the historian-specific process control data and to thereby evaluate the process control data with respect to the process control system and the data historian.

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