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Method for configuring a programmable logic controller using a schema to validate extensible markup language file

  • US 7,966,413 B2
  • Filed: 06/14/2007
  • Issued: 06/21/2011
  • Est. Priority Date: 11/04/2002
  • Status: Active Grant
First Claim
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1. A method for configuring a programmable logic controller (PLC) having a first protocol, said method comprising:

  • creating a comma separated variable (CSV) file at a computer using a configuration tool having a second protocol different from the first protocol;

    parsing the CSV file at the computer to create at least one extensible markup language (XML) file;

    utilizing a schema to validate the at least one XML file at the computer, the schema including an Exchange element including at least one of;

    an Exchange ID element configured to reference an identifier of the exchange;

    a Signature element configured to reference a configuration signature value for the exchange;

    a Timeout element configured to reference a frequency a refresh error is to be declared; and

    a Build Information element including at least one of;

    a Name element configured to identify the configuration tool;

    a Description element configured to provide a description of the configuration tool;

    a Tool Version element configured to specify a version of the configuration tool;

    a Validation Code element configured to identify a field used by the configuration tool to determine whether the CSV file has been modified;

    a Last Build Date element configured to a last date the CSV file was created by the configuration tool; and

    a Last Build time element configured to specify a last time the CSV file was created configuration tool; and

    configuring the PLC using the XML file.

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