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Publication details

Publication CODE Title
NBN EN IEC 61784-3-3:2021 (2021-06) INDUSTRIAL COMMUNICATION NETWORKS - PROFILES - PART 3-3: FUNCTIONAL SAFETY FIELDBUSES - ADDITIONAL SPECIFICATIONS FOR CPF 3
 
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16.00 € 4.
Description
IEC 61784-3-3:2021 specifies a safety communication layer (services and protocol) based on CPF 3 of IEC 61784-1, IEC 61784-2 (CP 3/1, CP 3/2, CP 3/4, CP 3/5 and CP 3/6) and IEC 61158 Types 3 and 10. It identifies the principles for functional safety communications defined in IEC 61784-3 that are relevant for this safety communication layer. This safety communication layer is intended for implementation in safety devices only. NOTE 1 It does not cover electrical safety and intrinsic safety aspects. Electrical safety relates to hazards such as electrical shock. Intrinsic safety relates to hazards associated with potentially explosive atmospheres. This document defines mechanisms for the transmission of safety-relevant messages among participants within a distributed network using fieldbus technology in accordance with the requirements of IEC 61508 (all parts) for functional safety. These mechanisms may be used in various industrial applications such as process control, manufacturing automation and machinery. This document provides guidelines for both developers and assessors of compliant devices and systems. NOTE 2 The resulting SIL claim of a system depends on the implementation of the selected functional safety communication profile within this system ' implementation of a functional safety communication profile according to this document in a standard device is not sufficient to qualify it as a safety device.
Class  C
Available files
ATTENTION: Belgian registered standards (NBN EN or NBN HD) are generally only available in English or French. Only the cover page is translated and the document itself is in English or in French.

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EN version
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Status
Status IEC PUBLICATION
Situation Currently active
Origin
Committee CLC/TC 65X
Industrial-process measurement, control and automation
Approval
BEC Approval 2021-06-09
NBN Approval 2021-06-23
NBN Status New
Date of ratification (d.o.r.) 2021-06-09
Date of announcement (d.o.a.) 2021-09-09
IEC file modification date 2021-06-19