Tracked Changes. Industrial communication networks. Fieldbus specifications Data-link layer protocol specification. Type 4 elements
CURRENCY
Standard number:
BS EN IEC 61158-4-4:2019 - TC
Released:
2020-02-24
ISBN:
978-0-539-07498-7
Status:
Tracked Changes
DESCRIPTION
BS EN IEC 61158-4-4:2019 - TC
This standard BS EN IEC 61158-4-4:2019 - TC Tracked Changes. Industrial communication networks. Fieldbus specifications is classified in these ICS categories:
35.110 Networking
35.100.20 Data link layer
25.040.40 Industrial process measurement and control
IEC 61158-4-4:2019 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. This third edition cancels and replaces the second edition published in 2014 and constitutes a technical revision. The main changes include the following significant technical changes with respect to the previous edition: lt;br /gt;a) additional user parameters to services; lt;br /gt;b) additional services to support distributed objects;c) additional secure services