Patent ID: 6961624

Claim:
A two-wire field-mountable process device comprising: a power module couplable to a two-wire loop and adapted to wholly power the process device with power received from the two-wire 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 channel operably coupled to the controller, the first channel configured to couple to at least a first sensor and configured to receive a sensor input; a second channel operably coupled to the controller, the second channel configured to couple to a second sensor and receive a sensor input; and wherein the first and second channels are substantially electrically isolated from each other and from the two-wire loop.