Graphical compare utility

  • US 7,143,366 B1
  • Filed: 06/11/2001
  • Issued: 11/28/2006
  • Est. Priority Date: 06/11/2001
  • Status: Active Grant
First Claim
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1. A graphical compare utility system for displaying control programs for industrial control modules, the system comprising:

  • a conversion system that receives a first and a second control program and converts the first and second control program into a first and second data set representing individual instruction of the first and second control program;

    a viewing system that accepts the first and second data sets and provides a graphical view of the first and second control programs in a single view based on the first and second binary data sets;

    a difference module that determines differences between the first and the second control programs and provides a difference data structure representing the differences between the first and second control program; and

    a comparison module that receives the difference data structure and the first and second control programs and generates a plurality of comparison scenarios to provide a plurality of comparison set views, the comparison module employing a decision model to determine the optimal display set view from the plurality of comparison set views by maximizing individual instruction matches between the first and second control programs.

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