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FIELD DEVICE

  • US 20130282191A1
  • Filed: 04/18/2013
  • Published: 10/24/2013
  • Est. Priority Date: 04/18/2012
  • Status: Active Grant
First Claim
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1. :

  • A field device including a primary power supply generating circuit that generates a primary power supply from an electric current that is supplied through a pair of electric wires from a higher-level system, and a calculation processing portion and various functional circuit portions, which operate based on a supply of an operating power supply electric current produced from the primary power supply, the field device comprising;

    an operating power supply electric current supplying unit that supplies the operating power supply electric current to a calculation processing portion with maximum priority, whereinthe calculation processing portion receives the operating power supply electric current supplied with maximum priority, clears a self-reset operation after starting up itself, and then directs sequentially, following a predetermined sequence, supply of the operating power supply electric current to each of the various functional circuit portions.

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