IEC 62453-309:2009 provides information for integrating the HART® 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.