Industrial communication networks - Fieldbus specifications - Part 4-21: Data-link layer protocol specification - Type 21 elements (Endorsed by Asociación Espanola de Normalización in August of 2019.)
NORM herausgegeben am 3.5.2026
Designation standards: UNE-EN IEC 61158-4-21:2019
Note: UNGÜLTIG
Publication date standards: 3.5.2026
The number of pages: 117
Approximate weight : 382 g (0.84 lbs)
Country: Spanish technical standard
Kategorie: Technische Normen UNE