FIELD: transport.
SUBSTANCE: invention relates to elevators, particularly, to their control systems. Elevator system comprises safety system 10. Said safety system comprises control unit 11 and bus unit 13. Bus assembly 13 comprises receiver 14, transmitter 15 and safety element 16. In control, control unit 11 transmits digital driver signal to receiver 14. Said digital driver signal is converted by receiver 14 into analog signal. Said analog signal is fed from receiver 14 to safety element 16. With safety element 16 closed, analog signal is registered by transmitter 15. Transmitter 15 generates digital signal in response to registered analog signal. In registration of analog zero signal, transmitter 15 sends digital signal spontaneously to control unit 11.
EFFECT: efficient control.
16 cl, 3 dwg
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