1 Scope
This document specifies the characteristics and the performance requirements of the
Passenger Alarm System (PAS). The aim of the PAS is to:
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— allow passengers, in case of emergency situations, to inform the driver;
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— allow the driver to keep the train moving or to stop the train at a safe location;
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— stop the train automatically:
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a) at a platform,
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b) if there is no acknowledgement by the driver.
This document covers the PAS fitted to passenger carrying rolling stock and specifies:
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— the functional requirements for an alarm triggered in the driving cab (Clause 6);
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— the communication channel between the driver and passengers or on-board staff (6.4)
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— the dynamic analysis of the PAS (Clause 7);
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— the requirements for the degraded modes management (Clause 8);
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— the safety related requirements (Clause 9);
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— requirements for the Passenger Alarm Device (PAD) and PAD area (Clause 10).
This document applies to heavy rail rolling stock, which is in the field of the EU
Directive 2016/797/EU. This document does not apply to metros, trams and light rail,
as defined by the CEN/CENELEC Guide 26.
Existing passenger alarm systems may require modification to work in conjunction with
vehicles that comply with this document.
NOTE Most of the requirements of UIC 541‑6 are compliant with this document.
Other communication systems such as “communication device for passengers”, “call for
aid”, “emergency call” or “call for assistance” are covered by the EN 16683 series.