{"id":20864,"date":"2025-11-13T17:13:41","date_gmt":"2025-11-13T15:13:41","guid":{"rendered":"https:\/\/www.clearsy.com\/?p=20864"},"modified":"2025-11-13T17:13:41","modified_gmt":"2025-11-13T15:13:41","slug":"increased-reliability-with-clearsys-relays-on-the-paris-metro-line-14","status":"publish","type":"post","link":"https:\/\/www.clearsy.com\/en\/metro-cbtc-en\/increased-reliability-with-clearsys-relays-on-the-paris-metro-line-14\/","title":{"rendered":"Increased reliability with CLEARSY\u2019s relays on the Paris Metro line 14"},"content":{"rendered":"

CLEARSY’s RS4 safety relays are used by RATP<\/strong> for the safe management of platform screen door closure in metro stations. These relays control the SIL4 \u2018Closed and locked\u2019 signal, interfacing with the control unit for each metro platform gate (DCU).<\/p>\n

This electrical circuit performs a safety \u2018AND\u2019 between each state of the platform door and consolidates the \u2018Closed and locked\u2019 state at platform level. This is reported by a signal visible to the driver (light), which allows the train to leave the station once all platform gates are physically closed and locked.<\/p>\n

On line L14 of the Paris metro, RATP highlights the greater reliability of the architecture based on RS4 safety relays<\/strong>. Strong customer\/user feedback demonstrates the quality of the product.<\/p>\n","protected":false},"excerpt":{"rendered":"

CLEARSY’s RS4 safety relays are used by RATP for the safe management of platform screen door closure in metro stations. 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