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Distributed control systems and methods

  • US 7,089,066 B2
  • Filed: 04/24/2003
  • Issued: 08/08/2006
  • Est. Priority Date: 04/24/2003
  • Status: Active Grant
First Claim
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1. A distributed control system, comprising:

  • a plurality of nodes including at least first and second nodes operatively associated with one another, the first node broadcasting a signal identifying an event to the other nodes without addressing any particular nodes, the signal only identifying the event to reduce network congestion;

    a signal filter provided at the second node, the signal filter used to determine, before the signal reaching the scripts, if at least one script residing at the second node would be activated based on the event identified in the signal from the first node by comparing an identification in the header of the scripts with the identification of the event;

    a distributed controller provided at the second node, said distributed controller executing the at least one script corresponding to the signal to control a building automation function if the second node is responsive to the signal from the first node.

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