IEC 61158-5-21 specifies the structure and services of the type 21 IEC fieldbus Application Layer, in conformance with the OSI Basic Reference Model (ISO/IEC 7498) and the OSI Application Layer Structure (ISO/IEC 9545).
IEC 61158-5-21 Ed. 2.0 en:2019
Original price was: $417.00.$208.00Current price is: $208.00.
Industrial communication networks – Fieldbus specifications – Part 5-21: Application layer service definition – Type 21 elements
International Electrotechnical Commission , 04/10/2019
Pages: 80















