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IEC 61784-3-2 Ed. 4.0 b:2021

Industrial communication networks - Profiles - Part 3-2: Functional safety fieldbuses - Additional specifications for CPF 2
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IEC 61784-3-2 Ed. 4.0 b:2021

Industrial communication networks - Profiles - Part 3-2: Functional safety fieldbuses - Additional specifications for CPF 2

PUBLISH DATE 2021
PAGES 579
IEC 61784-3-2 Ed. 4.0 b:2021
Industrial communication networks - Profiles - Part 3-2: Functional safety fieldbuses - Additional specifications for CPF 2
IEC 61784-3-2:2021 specifies a safety communication layer (services and protocol) based on CPF 2 of IEC 61784 1, IEC 61784 2 and IEC 61158 Type 2. 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.
SDO IEC: International Electrotechnical Commission
Document Number IEC 61784
Publication Date May 1, 2021
Language b - English & French
Page Count 579
Revision Level 4.0
Supercedes
Committee 65C
Publish Date Document Id Type View
May 1, 2021 IEC 61784-3-2 Ed. 4.0 b:2021 Revision
May 1, 2021 Revision