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Hlavní stránka>BS EN 61784-3-18:2011+A2:2021 Industrial communication networks. Profiles Functional safety fieldbuses. Additional specifications for CPF 18
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sklademVydáno: 2021-07-09
BS EN 61784-3-18:2011+A2:2021 Industrial communication networks. Profiles Functional safety fieldbuses. Additional specifications for CPF 18

BS EN 61784-3-18:2011+A2:2021

Industrial communication networks. Profiles Functional safety fieldbuses. Additional specifications for CPF 18

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Označení normy:BS EN 61784-3-18:2011+A2:2021
Počet stran:72
Vydáno:2021-07-09
ISBN:978 0 580 95665 2
Status:Standard
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BS EN 61784-3-18:2011+A2:2021


This standard BS EN 61784-3-18:2011+A2:2021 Industrial communication networks. Profiles is classified in these ICS categories:
  • 25.040.40 Industrial process measurement and control
  • 35.100.05 Multilayer applications
  • 13.110 Safety of machinery

This part of the IEC 61784-3 series specifies a safety communication layer (services and protocol) based on CPF 18 of IEC 61784-2 and IEC 61158 Type 22. 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.