Industrial communication networks - Fieldbus specifications - Part 5-11: Application layer service definition - Type 11 elements (IEC 61158-5-11:2007); English version EN 61158-5-11:2008, only on CD-ROM
German title
Industrielle Kommunikationsnetze - Feldbusse - Teil 5-11: Dienstfestlegungen des Application Layer (Anwendungsschicht) - Typ 11-Elemente (IEC 61158-5-11:2007); Englische Fassung EN 61158-5-11:2008, nur auf CD-ROM
Please get in touch with the relevant contact person at DIN if you have problems understanding the content of the standard or need advice on how to apply it.