An elevator safety system comprises: at least one position sensor, which is configured for determining a position value representing the position of the elevator car within the hoistway; at least one door sensor, which is configured for detecting whether the at least one door is closed; a limit setting unit, which is configured for determining an operation status of the elevator car and for setting at least one position limit according to the determined operation status; and a comparison unit, which is configured for comparing the determined position value with the set position limit and for determining an error condition, if the position value is not in compliance with the at least one position limit and the at least one door sensor indicates that at least one door is not closed.


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    Titel :

    Elevator safety system and method of monitoring an elevator system


    Beteiligte:
    HERKEL PETER (Autor:in) / TEGTMEIER DIRK H (Autor:in)

    Erscheinungsdatum :

    2021-05-25


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66B Aufzüge , ELEVATORS



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