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Method and system for remote control of a local system

  • US 7,330,878 B2
  • Filed: 10/29/2003
  • Issued: 02/12/2008
  • Est. Priority Date: 10/29/1999
  • Status: Expired due to Term
First Claim
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1. A method for communicating with a factory automation control system via a remote computer, the remote computer including an object container, the method comprising:

  • requesting, via at least one of the remote computer, factory automation control system information, wherein the factory automation control system is configured to control an industrial process, and wherein the requesting includes requesting a web page, the web page being hosted by the factory automation control system;

    receiving, from the factory automation control system, the factory automation control system information at the object container;

    running an ActiveX control within a web browser in the object container so as to enable a user at the at least one of the remote computer to view the received factory automation control system information via the web page;

    generating control instructions with the ActiveX control; and

    sending the control instructions to the control system, wherein the control instructions effect changes in the industrial process.

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