| Publication CODE |
Title |
| IEC 61158-4-21:2023 (2023-03) |
INDUSTRIAL COMMUNICATION NETWORKS - FIELDBUS SPECIFICATIONS - PART 4-21: DATA-LINK LAYER PROTOCOL SPECIFICATION - TYPE 21 ELEMENTS |
| |
| Price Excl. VAT |
Total number of pages, tables and drawings |
|
398.00 €
|
109. |
Description
IEC 61158-4-21:2023 describes:
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;
procedures for giving communication opportunities based on ISO/IEC/IEEE 8802'3 MAC, with provisions for nodes to be added or removed during normal operation;
structure of the fieldbus data link protocol data units (DLPDUs) used for the transfer of data and control information by the protocol of this document, and their representation as physical interface data units.
|
| Class |
C990
(IEC PUBLICATIONS IEC PUBLICATIONS)
|
| Committee |
TC 65/SC 65C
DIGITAL COMMUNICATIONS
|
| Responsible |
Ir DELENS Marc
|
| BEC Approval |
2023-03-28 |
| ICS-Code (International Standards Classification) |
25.040.40
, 35.100.20
, 35.110
|
| NBN Status |
New |
|
| IEC publication date |
2023-03-28 |
| IEC stability date |
2028-12-31 |
| IEC file modification date |
2023-03-28 |
| IEC last modification date |
2023-03-28 |
|
