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IEC - 61158-4-22

Industrial communication networks – Fieldbus specifications – Part 4-22: Data-link layer protocol specification – Type 22 elements

active, Most Current
Organization: IEC
Publication Date: 1 August 2014
Status: active
Page Count: 142
ICS Code (Networking): 35.110
ICS Code (Data link layer): 35.100.20
ICS Code (Industrial process measurement and control): 25.040.40
scope:

General

The data-link layer provides basic time-critical messaging communications between devices in an automation environment. This protocol provides communication opportunities to all participating data-link entities

a) in a synchronously-starting cyclic manner, according to a pre-established schedule, and

b) in a cyclic or acyclic asynchronous manner, as requested each cycle by each of those data-link entities.

Thus this protocol can be characterized as one which provides cyclic and acyclic access asynchronously but with a synchronous restart of each cycle.

Document History

61158-4-22
August 1, 2014
Industrial communication networks – Fieldbus specifications – Part 4-22: Data-link layer protocol specification – Type 22 elements
General The data-link layer provides basic time-critical messaging communications between devices in an automation environment. This protocol provides communication opportunities to all...
August 1, 2010
Industrial communication networks – Fieldbus specifications – Part 4-22: Data-link layer protocol specification – Type 22 elements
General The data-link layer provides basic time-critical messaging communications between devices in an automation environment. This protocol provides communication opportunities to all...
August 1, 2009
Industrial communication networks – Fieldbus specifications – Part 4–22: Data-link layer protocol specification – Type SNpTYPE elements
General The data-link layer provides basic time-critical messaging communications between devices in an automation environment. This protocol provides communication opportunities to all...

References

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