SAFETY SWITCHING APPARATUS FOR THE CONNECTION AND FAILSAFE DISCONNECTION OF A TECHNICAL SYSTEM

A safety switching apparatus for switching-on or switching-off a technical installation has a first input for receiving a first clock signal via a feed line, said first clock signal having a first clock frequency. A failsafe control/evaluation unit processes the first clock signal in a failsafe mann...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SCHWENKEL, HANS, VEIL, RICHARD
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING RELAYS SELECTORS
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