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Two-wire field-mounted process device

  • US 20060161271A1
  • Filed: 08/23/2005
  • Published: 07/20/2006
  • Est. Priority Date: 05/12/2000
  • Status: Abandoned Application
First Claim
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1. A two-wire field-mountable process device comprising:

  • a power module couplable to a two-wire process control loop and adapted to wholly power the process device with power received from the two-wire process control loop;

    a loop communicator coupled to the power module, and being couplable to the two-wire loop to communicate on the two-wire loop in accordance with the Fieldbus or Profibus protocol, wherein the communicator is configured to provide an output on the loop;

    a controller coupled to the loop communicator and power module;

    a first input connection operably coupled to the controller, the first input connection configured to couple to at least a first sensor and configured to receive a sensor input; and

    a second input connection operably coupled to the controller, the second input connection configured to couple to a second sensor and receive a sensor input; and

    wherein the first and second input connections are substantially electrically isolated from each other and from the two-wire loop.

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