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Homepage>BS Standards>25 MANUFACTURING ENGINEERING>25.040 Industrial automation systems>BS EN IEC 61139-2:2022 Industrial networks. Single-drop digital communication interface Functional safety extensions
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BS EN IEC 61139-2:2022 Industrial networks. Single-drop digital communication interface Functional safety extensions

BS EN IEC 61139-2:2022

Industrial networks. Single-drop digital communication interface Functional safety extensions

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Standard number:BS EN IEC 61139-2:2022
Pages:206
Released:2022-10-31
ISBN:978 0 539 12799 7
Status:Standard
DESCRIPTION

BS EN IEC 61139-2:2022


This standard BS EN IEC 61139-2:2022 Industrial networks. Single-drop digital communication interface is classified in these ICS categories:
  • 25.040.40 Industrial process measurement and control
  • 25.040 Industrial automation systems
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.