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EVS-EN 61784-3:2016

Industrial communication networks - Profiles - Part 3: Functional safety fieldbuses - General rules and profile definitions

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Kehtetu alates 01.04.2021
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IEC 61784-3:2016; EN 61784-3:2016
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Standardi ajalugu
Staatus
Kuupäev
Tüüp
Nimetus
01.04.2021
Põhitekst
17.11.2017
Muudatus
05.09.2016
Põhitekst
04.11.2010
Põhitekst
EVS-EN 61784-3:2010
This part of the IEC 61784-3 series explains some common principles that can be used in the transmission of safety-relevant messages among participants within a distributed network which use fieldbus technology in accordance with the requirements of IEC 61508 series1 for functional safety. These principles are based on the black channel approach. They can be used in various industrial applications such as process control, manufacturing automation and machinery. This part2 and the IEC 61784-3-x parts specify several functional safety communication profiles based on the communication profiles and protocol layers of the fieldbus technologies in IEC 61784-1, IEC 61784-2 and the IEC 61158 series. These functional safety communication profiles use the black channel approach, as defined in IEC 61508. These functional safety communication profiles are intended for implementation in safety devices exclusively. NOTE 1 Other safety-related communication systems meeting the requirements of IEC 61508 series can exist that are not included in this standard. NOTE 2 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. All systems are exposed to unauthorized access at some point of their life cycle. Additional measures need to be considered in any safety-related application to protect fieldbus systems against unauthorized access. The IEC 62443 series will address many of these issues; the relationship with the IEC 62443 series is detailed in a dedicated subclause of this part. NOTE 3 Additional profile specific requirements for security can also be specified in IEC 61784-43. NOTE 4 Implementation of a functional safety communication profile according to this part in a device is not sufficient to qualify it as a safety device, as defined in IEC 61508 series. NOTE 5 The resulting SIL claim of a system depends on the implementation of the selected functional safety communication profile within this system.
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EVS-EN 61784-3:2016/A1:2017

Industrial communication networks - Profiles - Part 3: Functional safety fieldbuses - General rules and profile definitions
Kehtetu alates 01.04.2021
Põhitekst

EVS-EN 61508-6:2010

Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 6: Guidelines on the application of IEC 61508-2 and IEC 61508-3
Uusim versioon Kehtiv alates 06.09.2010
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EVS-EN 61508-7:2010

Functional safety of electrical/electronic/prgrammable electronic safety-related systems. - Part 7: Overview of techniques and measures
Uusim versioon Kehtiv alates 06.09.2010
Põhitekst

EVS-EN 61508-3:2010

Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 3: Software requirements
Uusim versioon Kehtiv alates 06.09.2010