Safety controller providing for execution of standard and safety control programs

A safety controller may execute both standard and safety programs using shared architecture in which two processors symmetrically execute the safety program and check each other for errors, and one processor only executes the standard program to minimize undetected symmetrical corruption of the safe...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: RISCHAR CHARLES MARTIN, KALAN MICHAEL DEAN
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A safety controller may execute both standard and safety programs using shared architecture in which two processors symmetrically execute the safety program and check each other for errors, and one processor only executes the standard program to minimize undetected symmetrical corruption of the safety programs.