FIELD: physics; guarding means.
SUBSTANCE: invention relates to means of enclosure of workplace and notification of approach of rolling stock. System includes sensors detecting rolling stock with radio station, radio-controlled portable guard signaling devices intended for placement at specified distance on both sides from workplace boundaries, individual portable annunciators for each operating on the track and intended for installation on site of work collective portable signaling device made with possibility to communicate via radio channel with sensors detect rolling stock, radio-controlled portable guard signaling devices and individual portable annunciators, each radio-controlled portable guard signaling device is configured to relay signal from sensor to collective portable signaling device, and the system is provided with retransmitters for providing communication of the collective portable signaling device via a radio channel through a radio-controlled portable guard signaling device with the corresponding rolling stock detection sensor.
EFFECT: higher reliability of transmitting signals of sensors detecting rolling stock.
8 cl, 1 dwg
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