IEC 62453-303-2:20 09提供了集成PROFINET的信息？技术进入FDT接口（IEC 62453-2）。它指定通信和其他服务。本部分与IEC 62453系列第一版的其他部分一起取消和取代2006年发布的IEC/PAS 62453-1、IEC/PAS 62453-2、IEC/PAS 62453-3、IEC/PAS 62453-4和IEC/PAS 62453-5，构成技术修订。这个双语版本（2013-07）对应于2009-06年出版的单语英文版。 本出版物应与IEC 62453-2:20 09一起阅读。

IEC 62453-303-2:2009 provides information for integrating the PROFINET？ technology into the FDT interface (IEC 62453-2). It specifies communication and other services. This part, in conjunction with the other parts of the first edition of the IEC 62453 series cancels and replaces IEC/PAS 62453-1, IEC/PAS 62453-2, IEC/PAS 62453-3, IEC/PAS 62453-4 and IEC/PAS 62453-5 published in 2006, and constitutes a technical revision. This bilingual version (2013-07) corresponds to the monolingual English version, published in 2009-06.

This publication is to be read in conjunction with IEC 62453-2:2009.