EMERGENCY COMMAND DEVICE AND SAFETY DEVICE INCLUDING SUCH A DEVICE
An emergency command device comprises: two safety inputs connectable to a control/evaluating unit to receive an input voltage; two safety outputs connectable to the control/evaluating unit; two electrical switching paths respectively extending between the two safety inputs and the two safety outputs...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | An emergency command device comprises: two safety inputs connectable to a control/evaluating unit to receive an input voltage; two safety outputs connectable to the control/evaluating unit; two electrical switching paths respectively extending between the two safety inputs and the two safety outputs; an emergency actuating unit comprising: a manually triggerable actuating element, a background element, and two switches connected to the actuating element and respectively disposed in the two electrical switching paths; a light emitting unit comprising red LEDs to backlight the actuating element and yellow LEDs to backlight the background element; a voltage detector detect an electrical output voltage at one of the two safety outputs; and a flashing circuit arrangement coupled to activate flashing of the yellow LEDs and/or the red LEDs in response to detection by the voltage detector of a drop in the output voltage below a preset or presettable threshold value. |
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