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Modular monitoring and protection system with distributed voting logic

  • US 20030212498A1
  • Filed: 05/13/2002
  • Published: 11/13/2003
  • Est. Priority Date: 05/13/2002
  • Status: Active Grant
First Claim
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1. A system for monitoring and protection a machine, the system comprising:

  • a first sensor for detecting a dynamic operating parameter of the machine at a first location of interest and for generating a first signal representative thereof;

    a first monitor coupled to the first sensor for receiving and processing the first signal, the first monitor including a memory for storing voting logic based upon the received signal;

    a second sensor for detecting a dynamic operating parameter of the machine at a second location of interest and for generating a second signal representative thereof;

    a second monitor coupled to the second sensor and to the first monitor, the second monitor receiving and processing the second signal and including a memory for storing voting logic based upon the received signal, the second monitor being configured to control an operative state of a relay based upon a combination of the voting logic of the first monitor and the voting logic of the second monitor.

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