Industrial communication networks - Fieldbus specifications - Part 1: Overview and guidance for the IEC 61158 and IEC 61784 series (IEC 61158-1:2014); German version EN 61158-1:2014— 83 стр.
Fibre optic active components and devices - Package and interface standards - Part 1: General and guidance (IEC 62148-1:2017); German version EN IEC 62148-1:2018— 13 стр.