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Safety control system

  • US 7,912,563 B2
  • Filed: 07/21/2008
  • Issued: 03/22/2011
  • Est. Priority Date: 07/19/2007
  • Status: Active Grant
First Claim
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1. A safety control system, comprising:

  • a plurality of safety control stations connected to a control bus to communicate with each other and with a distributed control system including a plurality of control stations connected to said control bus,wherein each of the plurality of safety control stations has an interface through which each of the plurality of safety control stations is connected to the control bus for transmitting own data of each of the plurality of safety control stations to all other safety control stations by broadcasting at a fixed cycle via the control bus and for receiving by each safety control station transmitted data from all other safety control stations, andwherein said interface implements a safety layer used to generate and diagnose safety information.

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