Safety controller with hardware memory lock

A safety controller provides for reliable mixed execution of standard and safety control programs held in a common memory by providing a hardware lock that is locked at times when the safety program is not executing to minimize potential corruption of the safety program by the standard program.

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Bibliographische Detailangaben
Hauptverfasser: IZZO JOSEPH PAUL, RISCHAR CHARLES MARTIN, BUVEL RAYMOND LOUIS, VECHINSKI JEREMY STEPHEN
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A safety controller provides for reliable mixed execution of standard and safety control programs held in a common memory by providing a hardware lock that is locked at times when the safety program is not executing to minimize potential corruption of the safety program by the standard program.