IEC 61158-4-21 Ed. 3.0 en:2023
Industrial communication networks - Fieldbus specifications - Part 4-21: Data-link layer protocol specification - Type 21 elements
International Electrotechnical Commission , 03/01/2023
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$455.00
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.
Product Information
Published:
03/01/2023
Pages:
114
ISBN:
9782832265550
File Size:
1 file , 2.3 MB
Language:
English
Note:
This product is unavailable in Ukraine, Russia, Belarus
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