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Dual protocol handheld field maintenance tool with radio-frequency communication

  • US 20060161393A1
  • Filed: 11/08/2005
  • Published: 07/20/2006
  • Est. Priority Date: 12/06/2001
  • Status: Active Grant
First Claim
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1. A dual-protocol handheld field maintenance tool comprising:

  • terminals selectably coupleable to a process communication loop having a process industry standard communication protocol;

    first and second media access units coupled to the terminals, wherein the first media access unit is adapted to communicate in accordance with a first process industry standard protocol, and wherein the second media access unit is adapted to communicate in accordance with a second process industry standard protocol;

    a processor coupled to the first and second media access units; and

    a wireless radio-frequency transceiver coupled to the processor.

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