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Block-oriented control system on high speed ethernet

  • US 6,826,590 B1
  • Filed: 06/21/2000
  • Issued: 11/30/2004
  • Est. Priority Date: 08/23/1996
  • Status: Expired due to Term
First Claim
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1. An apparatus in a distributed control system, comprising:

  • a first network interface for communicating with a first network having a communication protocol stack; and

    a High Speed Ethernet core further comprising;

    a device access agent which emulates mapping of an access sublayer of at least one legacy format service message of said distributed control system to one or more network format messages compatible with said communication protocol stack using a common access interface;

    whereupon mapping of the at least one legacy format service message to one or more network format messages, the one or more network format messages are communicated to at least one second apparatus connected to the first network, wherein both the apparatus and the at least one second apparatus actively control respective functions performed by the distributed control system.

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