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Control Valve and Positioner Diagnostics

  • US 20080163936A1
  • Filed: 01/05/2007
  • Published: 07/10/2008
  • Est. Priority Date: 01/05/2007
  • Status: Active Grant
First Claim
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1. A valve positioning system comprising:

  • at least two or more components, wherein at least one of the components comprises an electric-to-pressure output converter; and

    a controller configured to;

    adjust a position of a valve by sending a command signal to the electric-to-pressure output converter;

    individually monitor at least two of the components of the valve positioning system; and

    determine the condition of one of the components being monitored.

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