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Method of reprogramming memories in field devices over a multidrop network

  • US 6,055,633 A
  • Filed: 10/28/1997
  • Issued: 04/25/2000
  • Est. Priority Date: 10/28/1997
  • Status: Expired due to Term
First Claim
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1. A method of downloading application information from a host device to a field device over a network providing communication and power to said field device, the method comprising the steps of:

  • a) the host device transmitting a command to the field device via said network that a download is about to begin;

    b) said field device operated to place itself in a state to receive the downloaded information, in response to said command; and

    c) preparing an included memory for reprogramming, including the step of;

    halting operation of field device components not critical to the download operation whereby said field device components draw a minimum of power.

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