IEC 61158-6-21:2019 specifies the protocol of the Type 21 fieldbus application layer, in conformance with the OSI Basic Reference Model (ISO/IEC 7498-1) and the OSI application layer structure (ISO/IEC 9545). It defines the protocol provided to define the wire-representation of the service primitives defined in IEC 61158-5-21:2010, and the externally visible behavior associated with their transfer.
IEC 61158-6-21 Ed. 2.0 b:2019
Original price was: $367.00.$183.00Current price is: $183.00.
Industrial communication networks – Fieldbus specifications – Part 6-21: Application layer protocol specification – Type 21 elements
International Electrotechnical Commission , 06/20/2019
Pages: 111
