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High voltage interlock circuit utilizing serial communications

  • US 8,824,113 B2
  • Filed: 03/15/2010
  • Issued: 09/02/2014
  • Est. Priority Date: 03/15/2010
  • Status: Active Grant
First Claim
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1. An interlock system for an electrical power cabling, comprising:

  • a serial communication bus;

    a circuit interrupter connected into the electrical power cabling having open and closed states;

    a connector including contacts for the electrical power cabling and contacts for an interlock circuit;

    the serial communication bus being routed through the contacts for an interlock circuit of the connector;

    means connected to the serial communication bus for supplying signals over serial communication bus;

    a signal interpreter coupled to the serial communication bus responsive to signal levels on the serial communication bus for generating a state signal having first and second states; and

    means responsive to the state of the signal interpreter for opening and closing the circuit interrupter.

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