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Page back system and method for remote paging in a control system

DC
  • US 6,745,090 B1
  • Filed: 07/14/2000
  • Issued: 06/01/2004
  • Est. Priority Date: 07/14/2000
  • Status: Expired due to Term
First Claim
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1. A communications apparatus for communicating with an industrial control device and a remote device via a communications medium, comprising:

  • a first communications interface operative to communicate with the industrial control device using a first communications protocol;

    a second communications interface operative to communicate with the remote device via the communications medium using a second communications protocol;

    a processor in electrical communication with the first and second communications interfaces and operative to exchange messages with the industrial control device and the communications medium via the first and second communications interfaces; and

    a switch in electrical communication with the processor and having a first switch state and a second switch state, and wherein the first communications interface selectively communicates using one of the first communications protocol and a third communications protocol according to the switch state, whereby the communications apparatus can be programmed via a programming message from a programming device connected to the first communications interface using the third communications protocol when the switch is in the second switch state.

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