BS EN 61784-3-12:2010+A1:2019:2020 Edition

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Industrial communication networks. Profiles – Functional safety fieldbuses. Additional specifications for CPF 12

Published By	Publication Date	Number of Pages
BSI	2020	106

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Categories: 35.100.05 - Multilayer applications, BSI

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Description

This part of the IEC 61784-3 series specifies a safety communication layer (services and protocol) based on CPF 12 of IEC 61784-2 and IEC 61158 Type 12. It identifies the principles for functional safety communications defined in IEC 61784-3 that are relevant for this safety communication layer.

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 part¹ 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 series² for functional safety. These mechanisms may be used in various industrial applications such as process control, manufacturing automation and machinery.

This part 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 part in a standard device is not sufficient to qualify it as a safety device.

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Additional information

Status	Definitive
Pages	106
Publication Date	2020-01-27
ISBN	978 0 539 04454 6
Standard Number	BS EN 61784-3-12:2010+A1:2019
Title	Industrial communication networks. Profiles – Functional safety fieldbuses. Additional specifications for CPF 12
Identical National Standard Of	EN 61784-3-12 Amd.1 Ed.1.0, IEC 61784-3-12 Amd.1 Ed.1.0
Descriptors	Computer networks, Safety, Industrial, Data link layer (OSI), Fieldbus, Automatic control systems, Bus networks, Interfaces (data processing), Data transmission, Process control, Open systems interconnection, Communication networks, Data processing, Data transfer
Publisher	BSI
Committee	GEL/65
Amends	BS EN 61784-3-12:2010
ICS Codes	35.100.05 - Multilayer applications

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