本文件定义了贯穿EN 54系列标准的术语和定义。它给出了本系列每个部分所依据的原理，并描述了火灾探测和火灾报警系统的组件所执行的功能。 本文件适用于建筑物和土木工程的火灾探测和火灾报警系统。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document defines the terms and definitions that are used throughout the EN 54 series of standards. It gives the principles on which each part of the series has been based and describes the functions carried out by the components of a fire detection and fire alarm system. This document applies to fire detection and fire alarm systems for buildings and civil engineering works.All current amendments available at time of purchase are included with the purchase of this document.