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ČSN EN IEC 61158-4-21-ed.2 (184020)
Industrial communication networks - Fieldbus specifications - Part 4-21: Data-link layer protocol specification - Type 21 elements
Translate name
STANDARD published on 1.12.2019
The information about the standard:
Designation standards: ČSN EN IEC 61158-4-21-ed.2
Classification mark: 184020
Catalog number: 508338
Publication date standards: 1.12.2019
SKU: NS-977011
The number of pages: 120
Approximate weight : 391 g (0.86 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Industrial process measurement and controlData communication networksData link layer
Annotation of standard text ČSN EN IEC 61158-4-21-ed.2 (184020):
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
These changes apply to this standard:
ČSN EN IEC 61158-4-21-ed.2:2019/Z1 (184020)
Change
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Průmyslové a komunikační sítě - Specifikace sběrnice pole - Část 4-21: Specifikace protokolu datového spoje - Prvky typu 21 (Norma k přímému použití jako ČSN).
Change published on 1.10.2023
Selected format: English - Print design (1.20 USD)
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