EN 16683:2025

This document covers heavy rail rolling stock.This document does not cover urban rail rolling stock.NOTE 1EN 17355 covers communication device requirements for urban rail rolling stock.This document specifies:-the functional requirements for a call for aid system and communication device system;-the dynamic analysis of the call for aid system.NOTE 2"Dynamic analysis" is understood here as a sequence of actions.NOTE 3In a formation of vehicles where one complies with this document with one that does not, it is possible that the call for aid system is not fully functional.NOTE 4The call for aid system function is separate from the Passenger Alarm System (PAS) function, which is provided to deal with emergency situations. The PAS is described in EN 16334-1:2014+A1:2022.NOTE 5The communication device system can be different from the PAS, but it can share some or all parts of the PAS to achieve its functionalities.NOTE 6The PAS is regarded as a safety relevant system whereas the CFA system and communication device system are non-safety relevant aids to passengers.