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Safety versus availability graphical user interface

  • US 7,539,550 B2
  • Filed: 02/23/2006
  • Issued: 05/26/2009
  • Est. Priority Date: 02/23/2006
  • Status: Active Grant
First Claim
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1. An industrial automation system that visualizes availability and safety levels, comprising:

  • an optimization component that generates a voting configuration that provides an optimized combination of a safety level and an availability level based upon available redundancy, the optimization component evaluates the safety level by summing probabilities of failure associated with each device; and

    a graphical user interface that presents a visualization of the safety level and the availability level, the graphical user interface displays a graph that depicts the availability level of a safety function against the safety level by employing a movable marker that indicates the availability level.

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