Industrial communication networks - Fieldbus specifications - Part 4-21: Data-link layer protocol specification - Type 21 elements (IEC 61158-4-21:2019); English version EN IEC 61158-4-21:2019, only on CD-ROM
Edition 2020-08

Adjustable speed electrical power drive systems - Part 7-303: Generic interface and use of profiles for power drive systems - Mapping of profile type 3 to network technologies (IEC 61800-7-303:2015); English version EN 61800-7-303:2016
Edition 2016-11

Devices and integration in enterprise systems - Function blocks (FB) for process control and electronic device description language (EDDL) - Part 3: EDDL syntax and semantics (IEC 61804-3:2020); English version EN IEC 61804-3:2020
Edition 2021-08

Industrial communication networks - Fieldbus specifications - Part 6-3: Application layer protocol specification - Type 3 elements (IEC 61158-6-3:2019); English version EN IEC 61158-6-3:2019, only on CD-ROM
Edition 2020-08