Industrial communication networks - Fieldbus specifications - Part 4-2: Data-link layer protocol specification - Type 2 elements (IEC 61158-4-2:2014); English version EN 61158-4-2:2014, only on CD-ROM— 340 стр.
Industrial communication networks - Fieldbus specifications - Part 6-2: Application layer protocol specification - Type 2 elements (IEC 61158-6-2:2014); English version EN 61158-6-2:2014, only on CD-ROM— 271 стр.