Safety system for an elevator structure

Details Safety system for an elevator structure Safety system for an elevator structure

2008-04-01

2008-04-01

Donovan, Lincoln (Department: 2837)

Elevator, industrial lift truck, or stationary lift for vehicle

With monitoring, signalling, and indicating means

Monitors operational parameter

C187S316000

Reexamination Certificate

active

07350624

ABSTRACT:
Safety system of an elevator installation, with a control unit, a bus node, a safety element and a bus, which enables a communication between the control unit and the bus node. The bus node includes a first switching arrangement, which on digital presetting by the control unit acts on the safety element by a first analog signal. The bus node additionally includes a second switching arrangement which derives an analog signal from the safety element and makes digital feedback information available to the control unit by way of the bus.

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