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Automation network, access service proxy for an automation network and method for transmitting operating data between a programmable controller and a remote computer

  • US 7,827,316 B2
  • Filed: 12/27/2005
  • Issued: 11/02/2010
  • Est. Priority Date: 12/27/2005
  • Status: Expired due to Fees
First Claim
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1. An automation network, comprising:

  • at least one programmable controller;

    at least one remote computer, wherein operating data of the programmable controller are transmitted via an Internet or an intranet based upon a Hypertext Transfer Protocol and displayed and/or modified on the remote computer by an Internet browser;

    an access service proxy, the access service proxy has a server for supplying the web pages containing the operating data of the programmable controller to the Internet browser of the remote computer, an interface, to connect an engineering system such that operating data of the programmable controller can be transmitted using a communication mechanism for automation-engineering field communication via the connection between access service proxy and engineering system; and

    a synchronization unit for updating the content of the web pages if the operating data is modified by the engineering system.

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