Data processing: generic control systems or specific application – Generic control system – apparatus or process – Having protection or reliability feature
Reexamination Certificate
2011-03-22
2011-03-22
Patel, Ramesh B (Department: 2121)
Data processing: generic control systems or specific application
Generic control system, apparatus or process
Having protection or reliability feature
C700S021000, C700S080000, C702S114000, C702S118000, C702S184000, C340S540000, C340S541000
Reexamination Certificate
active
07912563
ABSTRACT:
A safety control system includes 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 the 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, and wherein the interface implements a safety layer used to generate and diagnose safety information.
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Patel Ramesh B
Westerman Hattori Daniels & Adrian LLP
Yokogawa Electric Corporation
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