Title Industrial communication networks – Fieldbus specifications – Part 4-20: Data-link layer protocol specification – Type 20 elements
Acronym IEC 61158-4-20
Document Type Standard
Committee TC 65/SC 65C - INDUSTRIAL NETWORKS
Published Year 2014
Link https://webstore.iec.ch/publication/4654
Abstract

IEC 61158-4-20:2014 specifies procedures for the timely transfer of data and control information from one data-link user entity to a peer user entity, and among the data-link entities forming the distributed data-link service provider and the structure of the fieldbus DLPDUs used for the transfer of data and control information by the protocol of this standard, and their representation as physical interface data units.