IEC 62453-303-2:2009+A1:2016 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 IE C 62453-2:2009. This consolidated version consists of the first edition (2009) and its amendment 1 (2016). Therefore, no need to order amendment in addition to this publication.