IEC 61139-2:2022

IEC 61139-2:2022

IEC 61139-2:2022 Industrial networks - Single-drop digital communication interface - Part 2: Functional safety extensions

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Details

IEC 61139-2:2022 specifies the extensions to SDCI in IEC 61131-9 for functional safety. This comprises:
• a standardized OSSDe interface for redundant switching signals based on IEC 61131-2,
• minor modifications/extensions to state machines of SDCI to support the safety operations,
• a lean functional safety communication protocol on top of the standard SDCI communication which is a black channel according to IEC 61784-3:2021,
• protocol management functions for configuration, parameterization, and commissioning,
• IODD extensions for functional safety,
• a Device tool interface to support Dedicated Tools according to functional safety standards.
This document does not cover:
• communication interfaces or systems including multi-point or multi-drop linkages,
• communication interfaces or systems including multi-channel or encrypted linkages,
• wireless communication interfaces or systems,
• integration of SDCI-FS into upper-level systems such as fieldbuses/FSCPs.

Additional Info

Author International Electrotechnical Commission (IEC)
Committee TC 65/SC 65C
Published by IEC
Document type Standard
Edition 1.0
ICS 25.040 : Industrial automation systems
Number of pages 405
Keyword IEC61139-2,IEC 61139-2:2022,IEC 61139-2,TC 65/SC 65C