FIELD: lifting devices.
SUBSTANCE: method for operation of elevator safety system is proposed. Elevator installation includes control unit (2), bus (3), several bus units (41–49) connected via bus (3) with control unit (2), and several users (61a–63a, 74a, 75, 76, 87, 88, 89) connected to control unit (2) through bus nodes (41–49), of which at least one user is temporary user (89). When realizing the method, temporary user (89) is declared into safety system by A) connection of temporary user (89) through bus unit (49) with safety system, B) recognition of temporary user (89) by control unit (2), C) connection of temporary user (89) by control unit (2) to safety system and D) of at least one involvement of temporary user (89). Invention also discloses elevator installation safety system and lift installation.
EFFECT: enabling reliable communication between temporary users and a security system.
15 cl, 3 dwg
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