I.S. EN IEC 61158-6-21:2019
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Industrial communication networks - Fieldbus specifications - Part 6-21: Application layer protocol specification - Type 21 elements (IEC 61158-6-21:2019)
Hardcopy , PDF
English
16-09-2019
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
This part of IEC 61158 is one of a series produced to facilitate the interconnection of automation system components.
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