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Method and apparatus for monitoring a communications network

  • US 5,442,639 A
  • Filed: 10/12/1993
  • Issued: 08/15/1995
  • Est. Priority Date: 10/12/1993
  • Status: Expired due to Fees
First Claim
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1. A method for monitoring, detecting and analyzing signals and errors on a fieldbus communication network, utilizing a communication signal on a fieldbus within said fieldbus communication network, comprising the steps of:

  • receiving said communication signal from said fieldbus communication network;

    identifying characteristic fieldbus protocol information on one or more signal frames from said received communication signal being used on said fieldbus communication network;

    actively filtering said received communication signal in real time based on said identified characteristic fieldbus protocol information to separate frames indicative of errors in said fieldbus communication network or of operation or function of one or more fieldbus devices on said fieldbus communication network from among said signal frames.

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