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INDUSTRIAL PROCESS CONTROL TRANSMITTER WITH MULTIPLE SENSORS

  • US 20110071794A1
  • Filed: 05/25/2010
  • Published: 03/24/2011
  • Est. Priority Date: 09/22/2009
  • Status: Active Grant
First Claim
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1. An industrial process control transmitter, comprising:

  • a first input configured to couple to a first sensor;

    a second input configured to couplet to a second sensor;

    measurement circuitry configured to couple to the first and second sensors and provide an output related to a sensed process variable;

    a multiplexer configured to selectively couple the first and second sensors to the measurement circuitry; and

    an equalizer circuit coupled to the first and second sensors configured to equalize a voltage potential between the first sensor and the measurement circuitry.

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