×

Method for converting a programmable logic controller hardware configuration and corresponding control program for use on a first programmable logic controller to use on a second programmable logic controller

  • US 5,142,469 A
  • Filed: 03/29/1990
  • Issued: 08/25/1992
  • Est. Priority Date: 03/29/1990
  • Status: Expired due to Term
First Claim
Patent Images

1. A method for converting a first control program and a first hardware configuration for a first PLC to a second control program and a second hardware configuration for a second PLC, said first and second control programs including a plurality of statements, said method comprising the steps of:

  • providing configuration information with respect to said first hardware configuration of said first PLC to a processor;

    providing said first PLC control program to said processor;

    selecting said second hardware configuration to be equivalent to said first hardware configuration by said processor referencing a data base which relates said first hardware configuration to possible second hardware configurations;

    generating a mapping of I/O points from said first PLC to said second PLC; and

    generating said second control program to be equivalent to said first control program, said second control program being generated by said processor referencing each statement of said first control program and determining a statement operative on said second PLC which is equivalent thereto.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×