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Field device

  • US 7,523,015 B2
  • Filed: 06/22/2005
  • Issued: 04/21/2009
  • Est. Priority Date: 06/22/2005
  • Status: Expired due to Fees
First Claim
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1. A field device for monitoring an operating state of an electrical engineering installation, the field device comprising:

  • an evaluation device for evaluating input signals, present on an input side and relating to the electrical engineering installation, on a basis of predetermined criteria, and generating an output signal, on an output side, characterizing a respective evaluation result;

    said evaluation device being configured to receive an identification specifying a hierarchical level to which the evaluation device is assigned;

    said evaluation device being configured, upon being connected to a data transmission network, to automatically set up a data link with all other evaluation devices connected thereto or with all other evaluation devices connected thereto of a predetermined type which belong to a directly lower-order or a directly higher-order hierarchical level; and

    said evaluation device further-processing the output signals of hierarchically lower-order evaluation devices as input signals and passing output signals on to hierarchically higher-order evaluation devices.

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