IEC 61158-4-21 Ed. 3.0 b:2023

Industrial communication networks - Fieldbus specifications - Part 4-21: Data-link layer protocol specification - Type 21 elements

International Electrotechnical Commission , 03/01/2023

Publisher: IEC

File Format: PDF

$227.00$455.00

Description

Standard By:International Electrotechnical Commission , 03/01/2023

Published:03/01/2023

Pages:228

ISBN(s):9782832277003

File Size:1 file , 3.4 MB

Language:English, French

Note:This product is unavailable in Ukraine, Russia, Belarus

The DLL provides basic time-critical data communications between devices in an automated environment. Type 21 provides priority-based cyclic and acyclic data communication using an internal collision-free, full-duplex dual-port Ethernet switch technology. For wide application in various automation applications, Type 21 does not restrict the cyclic/acyclic scheduling policy in the DLL.