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System and method for implementing safety instrumented systems in a fieldbus architecture

  • US 6,999,824 B2
  • Filed: 04/16/2004
  • Issued: 02/14/2006
  • Est. Priority Date: 08/21/1997
  • Status: Expired due to Fees
First Claim
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1. An apparatus for operating in a block-oriented safety related open control system comprising:

  • a memory, which includes at least one safety related component;

    a processor, operably connected to the memory, wherein the processor executes the safety related component based on a system schedule; and

    a medium attachment unit, which translates input messages and output messages between the processor and a transmission medium using an extended safety-related protocol.

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