Electrical computers and digital processing systems: multicomput – Network-to-computer interfacing
Reexamination Certificate
2001-09-28
2011-10-18
Etienne, Ario (Department: 2457)
Electrical computers and digital processing systems: multicomput
Network-to-computer interfacing
C709S200000, C700S083000
Reexamination Certificate
active
08041840
ABSTRACT:
An autonomous Web server may be connected to an industrial control system to provide direct access to input and output points through connections between the Web server and the input and output points. Coordination with the programmable logic controller is implemented through a set of lock flags which prevent conflicts either between multiple Web connections or between Web connections and the control produced by the programmable logic controller.
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Baczkowski Gary W.
Batke Brian A.
Hall Kenwood H.
Tutkovics Scot A.
Vasko David A.
Boyle Fredrickson LLP
Etienne Ario
Miller John M.
Rockwell Automation Technologies Inc.
Sall El Hadji
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