An elevator safety system (120) comprising: an electronic safety controller (50); at least one safety sensor (40) providing safety-related information; at least one dual-channel safety node (60) communicatively connected to the safety controller (50) and configured to obtain safety-related information from the at least one safety sensor (40); and a safety diagnostics (90) configured to: detect a single-channel failure of the at least one dual-channel safety node (60), and in response to detecting a single-channel failure, determine integrity of the obtained safety-related information. In case the safety-related information was determined intact, the safety controller (50) is configured to generate a command allowing a rescue run of an elevator car (10) to a rescue floor (32) using said safety-related information. An elevator system (100). An elevator car (10) rescue run method.


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    Title :

    ELEVATOR SAFETY SYSTEM, ELEVATOR SYSTEM AND ELEVATOR CAR RESCUE RUN METHOD


    Additional title:

    AUFZUGSSICHERHEITSSYSTEM, AUFZUGSSYSTEM UND AUFZUGSKABINENRRETTUNGSLAUFVERFAHREN
    SYSTÈME DE SÉCURITÉ D'ASCENSEUR, SYSTÈME D'ASCENSEUR ET PROCÉDÉ DE COURSE DE SECOURS DE CABINE D'ASCENSEUR


    Contributors:
    JUSSILA ARI (author) / HIRVONEN TONI (author) / KOSKINEN ATSO (author)

    Publication date :

    2024-09-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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