BS EN 16334-2:2020

This document specifies the characteristics of the Passenger Alarm System (PAS) for Urban Rail.This document covers the PAS fitted to the passenger carrying Urban Rail rolling stock and specifies: the safety related requirements; the functional requirements of PAS triggered by passengers; the requirements for the communication channel between passengers and the driver or Operations Control Centre (OCC); the requirements for the functional behaviour of the PAS; the requirements for the degraded modes management; the requirements for the Passenger Alarm Device (PAD) and PAD area. This document is applicable to the categoriesI to III of Urban Rail rolling stock defined in CEN/CLCGuide26: (I) metros; (II) trams; (III) light rail. NOTE1 CEN/CLCGuide26 defines Metro, Tram and Light Rail as public transport systems permanently guided at least by one rail, intended for the operation of local, urban and suburban passenger services with self-propelled vehicles and operated either segregated or not from general road and pedestrian traffic. NOTE2 The PAS function on existing vehicles could require modification to work in conjunction with vehicles that comply with this document. NOTE3 This document covers urban rail rolling stock, both with or without a driver. NOTE4 For rolling stock devoted to suburban passenger services, this document applies when the TSIs do not apply.