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Process control system devices with dual hardwired and wireless communication ports

  • US 20050047331A1
  • Filed: 10/08/2004
  • Published: 03/03/2005
  • Est. Priority Date: 10/24/1994
  • Status: Active Grant
First Claim
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1. A field device for use in a process control system within a process control environment, comprising:

  • a microprocessor-based communication unit adapted to generate or receive communication signals;

    a first communication port adapted to be connected to a hardwired communication link for providing communications to or from the communication unit via the hardwired communication link; and

    a second communication port adapted to be connected to a wireless transceiver to provide wireless communications to or from the communication unit via the wireless transceiver.

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