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DIN EN 61158-4-22

2015 Edition, August 1, 2015

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Industrial communication networks - Fieldbus specifications - Part 4-22: Data-link layer protocol specification - Type 22 elements (IEC 61158-4-22:2014); English version EN 61158-4-22:2014, only on CD-ROM

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ENGLISH * SAME AS IEC 61158-4-22
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Product Details:

  • Revision: 2015 Edition, August 1, 2015
  • Published Date: August 2015
  • Status: Active, Most Current
  • Document Language: English
  • Published By: Deutsches Institut fur Normung E.V. (DIN)
  • Page Count: 75
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:


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.