The IEC 62714 series specifies an engineering data exchange format for use in industrial automation systems. This part of IEC 62714 specifies normative as well as informative AML role class libraries for the modelling of engineering information for the exchange between engineering tools in the plant automation area by means of AML. Moreover@ it presents additional user defined libraries as an example. Its provisions apply to the export/import applications of related tools. This part of IEC 62714 does not define details of the data exchange procedure or implementation requirements for the import/export tools.