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Homepage>BS Standards>25 MANUFACTURING ENGINEERING>25.040 Industrial automation systems>25.040.40 Industrial process measurement and control>BS EN 61784-3-17:2017 Industrial communication networks. Profiles Functional safety fieldbuses. Additional specifications for CPF 17
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immediate downloadReleased: 2019-03-27
BS EN 61784-3-17:2017 Industrial communication networks. Profiles Functional safety fieldbuses. Additional specifications for CPF 17

BS EN 61784-3-17:2017

Industrial communication networks. Profiles Functional safety fieldbuses. Additional specifications for CPF 17

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Standard number:BS EN 61784-3-17:2017
Pages:78
Released:2019-03-27
ISBN:978 0 580 80029 0
Status:Standard
DESCRIPTION

BS EN 61784-3-17:2017


This standard BS EN 61784-3-17:2017 Industrial communication networks. Profiles is classified in these ICS categories:
  • 25.040.40 Industrial process measurement and control
  • 35.100.01 Open systems interconnection in general

This part of the IEC 61784-3 series specifies a safety communication layer (services and protocol) based on CPF 17 of IEC 61784-2 (CP 17/1) and IEC 61158 Type 21. 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 is related to hazards such as electrical shock. Intrinsic safety is related to hazards associated with potentially explosive atmospheres.

This part 1 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 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 for it to qualify as a safety device.