Planttriage Software Diagnoses Component Health

Expertune has announced that its Planttriage control system monitoring software now incorporates the tools necessary to diagnose the health of instruments, valves and controls. For years, the patented Control Loop Health approach has identified problem control loops based on technical and economic factors. Several new tools provide more specific performance metrics and diagnostics for each control loop component: the instrument, the valve and the controller.

The Valve Health measurement, for example, combines information about control valve sizing, application and mechanical performance to give an overall picture of the valve's health. Planttriage's 'context-sensitive drill-down' provides the next level of detail, including measures of each specific aspect of performance, such as the percentage valve stiction. In addition, Sensor Health uses real-time data to look at common symptoms of instrumentation problems.

The Controller Health tools focus on aspects of actual control performance, including variability, the inability to hold set point and dynamic response. 'This new approach provides a straightforward way to diagnose specific control loop issues - from high-level performance metrics straight down to root cause,' said John Gerry, president and founder of Expertune.

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