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System for testing of intelligent electronic devices with digital communications

  • US 6,795,789 B2
  • Filed: 05/21/2001
  • Issued: 09/21/2004
  • Est. Priority Date: 05/21/2001
  • Status: Expired due to Fees
First Claim
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1. A method for testing electric power devices employing data exchange over a digital communications link, the method comprising the steps of:

  • applying a test stimulus from a testing device to a power device under test;

    receiving in the testing device over digital signal lines test status information from the power device under test, the test status information generated by the device under test in response to application of the test stimulus, the test status information further communicated over the digital communications link;

    synchronizing the received status information with the application of the test stimulus to form synchronized status information;

    determining a device under test response from the synchronized status information; and

    adjusting the test stimulus in response to the device under test response.

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