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Method and system for connecting a controller for a machine to a higher-level IT system

  • US 9,787,682 B2
  • Filed: 09/26/2013
  • Issued: 10/10/2017
  • Est. Priority Date: 09/27/2012
  • Status: Active Grant
First Claim
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1. A method for connecting at least one controller for a machine or plant to a higher-level IT system in a manufacturing environment, comprising:

  • providing a integration layer,providing a controller image of the controller in the integration layer, said controller image having data describing a current state of the controller using parameters monitored by the higher-level IT system, wherein the integration layer comprises a configuration file defining characteristics of the controller image, said parameters including incoming sensor signals to the controller or outgoing actuator signals from the controller and being composed of a combination of a sum of the same or other parameters,accessing the controller image of the controller in the integration layer from the higher-level IT system,configuring the controller to initiate all communication with the integration layer and the controller so as to be invisible to the higher-level IT system in the computer network,prior to transmitting a controller-relevant data or data derived from the controller relevant data to the integration layer, filtering the controller relevant data or transforming the controller-relevant data into a generic data model, andback-transforming the controller-relevant data transmitted to the integration layer into a proprietary data model prior to forwarding the controller-relevant data to the integration layer,wherein the controller image is accessed in the integration layer via a Controller Data Access (CDA) interface, wherein the configuration file is accessed via a Controller data Configuration (CDC) interface, and wherein a complete separation is provided between a data transmission from the integration layer to the higher-level IT system via the Controller Data Access interface and a data transmission from the higher-level IT system to the integration layer via the Controller Data Configuration interface.

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