Digital data communication for measurement and control - Fieldbus for use in industrial control systems - Part 4: Data link protocol specification (IEC 61158-4:2003 + Corrigendum 2004) (nur elektronisch erhältlich)
Digital data communication for measurement and control - Fieldbus for use in industrial control systems - Part 5: Application layer service definition (IEC 61158-5:2003 + Corrigendum 2004) (nur elektronisch erhältlich)