IEC 61800-5-2-2016 Adjustable speed electrical power drive systems - Part 5-2 Safety requirements - Functional《可调速的电动设备.第5-2部分 安全要求.功能》.pdf

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1、 IEC 61800-5-2 Edition 2.0 2016-04 INTERNATIONAL STANDARD NORME INTERNATIONALE Adjustable speed electrical power drive systems Part 5-2: Safety requirements Functional Entranements lectriques de puissance vitesse variable Partie 5-2: Exigences de scurit Fonctionnelle IEC 61800-5-2:2016-04(en-fr) col

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19、 des commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 61800-5-2 Edition 2.0 2016-04 INTERNATIONAL STANDARD NORME INTERNATIONALE Adjustable speed electrical power drive systems Part 5-2: Safety requirements Functional Entranements lectriques de puissance

20、 vitesse variable Partie 5-2: Exigences de scurit Fonctionnelle INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS 13.110; 29.200 ISBN 978-2-8322-3302-3 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrote

21、chnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. colour inside 2 IEC 61800-5-2:2016 IEC 2016 CONTENTS FOREWORD . 6 INTRODUCTION . 8 1 Scope 9 2

22、 Normative references. 10 3 Terms and definitions 12 4 Designated safety sub-functions 18 4.1 General . 18 4.2 Safety sub-functions 19 4.2.1 General . 19 4.2.2 Limit values . 20 4.2.3 Stopping functions . 20 4.2.4 Monitoring functions . 21 4.2.5 Output functions Safe brake control (SBC) . 23 5 Manag

23、ement of functional safety 23 5.1 Objective 23 5.2 Requirements for the management of functional safety 23 5.3 PDS(SR) development lifecycle . 23 5.4 Planning of PDS(SR) functional safety management 24 5.5 Safety requirements specification (SRS) for a PDS(SR) . 26 5.5.1 General . 26 5.5.2 Safety sub

24、-functions requirements specification 26 5.5.3 Safety integrity requirements specification 27 5.6 PDS(SR) safety system architecture specification 28 5.6.1 General . 28 5.6.2 Requirements for safety system architecture specification . 28 6 Requirements for design and development of a PDS(SR) . 29 6.

25、1 General requirements 29 6.1.1 Change in operational status 29 6.1.2 Design standards . 29 6.1.3 Realisation . 29 6.1.4 Safety integrity and fault detection 29 6.1.5 Safety and non-safety sub-functions . 30 6.1.6 SIL for multiple safety sub-functions within one PDS(SR) 30 6.1.7 Integrated circuits

26、with on-chip redundancy 31 6.1.8 Software requirements . 31 6.1.9 Design documentation 31 6.2 PDS(SR) design requirements . 31 6.2.1 Basic and well-tried safety principles 31 6.2.2 Requirements for the estimation of the probability of dangerous random hardware failures per hour (PFH) 31 6.2.3 Archit

27、ectural constraints . 34 6.2.4 Estimation of safe failure fraction (SFF) 35 6.2.5 Requirements for systematic safety integrity of a PDS(SR) and PDS(SR) subsystems . 36 6.2.6 Design requirements for electromagnetic (EM) immunity of a PDS(SR) 39 6.2.7 Design requirements for thermal immunity of a PDS(

28、SR) . 39 IEC 61800-5-2:2016 IEC 2016 3 6.2.8 Design requirements for mechanical immunity of a PDS(SR) . 39 6.3 Behaviour on detection of fault 39 6.3.1 Fault detection . 39 6.3.2 Fault tolerance greater than zero 39 6.3.3 Fault tolerance zero . 39 6.4 Additional requirements for data communications

29、. 39 6.5 PDS(SR) integration and testing requirements . 40 6.5.1 Hardware integration 40 6.5.2 Software integration . 40 6.5.3 Modifications during integration 40 6.5.4 Applicable integration tests 40 6.5.5 Test documentation 40 7 Information for use 41 7.1 General . 41 7.2 Information and instructi

30、ons for safe application of a PDS(SR) . 41 8 Verification and validation 42 8.1 General . 42 8.2 Verification 43 8.3 Validation 43 8.4 Documentation 43 9 Test requirements 43 9.1 Planning of tests . 43 9.2 Functional testing 43 9.3 Electromagnetic (EM) immunity testing 44 9.3.1 General . 44 9.3.2 In

31、tended EM environment . 44 9.3.3 Performance criterion (fail safe state FS) . 44 9.4 Thermal immunity testing 44 9.4.1 General . 44 9.4.2 Functional thermal test . 45 9.4.3 Component thermal test . 45 9.5 Mechanical immunity testing 45 9.5.1 General . 45 9.5.2 Vibration test . 45 9.5.3 Shock test 45

32、 9.5.4 Performance criterion for mechanical immunity tests (fail safe state FS) 45 9.6 Test documentation . 45 10 Modification . 46 10.1 Objective 46 10.2 Requirements 46 10.2.1 General . 46 10.2.2 Modification request . 46 10.2.3 Impact analysis 46 10.2.4 Authorization 46 10.2.5 Documentation . 46

33、Annex A (informative) Sequential task table 47 Annex B (informative) Example for estimation of PFH . 51 4 IEC 61800-5-2:2016 IEC 2016 B.1 General . 51 B.2 Example PDS(SR) structure 51 B.2.1 General . 51 B.2.2 Subsystem A/B 52 B.2.3 Subsystem PS/VM . 52 B.3 Example PDS(SR) PFH value determination 53

34、B.3.1 Subsystem “A/B” (main subsystem) 53 B.3.2 Subsystem “PS/VM” . 58 B.3.3 PFH value of the safety sub-function STO of PDS(SR) 61 B.4 Reduction of DC and SFF depending on test interval . 62 Annex C (informative) Available failure rate databases . 63 C.1 Databases 63 C.2 Helpful standards concernin

35、g component failure 63 Annex D (informative) Fault lists and fault exclusions . 65 D.1 General . 65 D.2 Remarks applicable to fault exclusions 65 D.2.1 Validity of exclusions 65 D.2.2 Tin whisker growth . 65 D.2.3 Short-circuits on PWB-mounted parts . 65 D.3 Fault models . 66 D.3.1 Conductors/cables

36、 . 66 D.3.2 Printed wiring boards/assemblies . 66 D.3.3 Terminal block . 66 D.3.4 Multi-pin connector . 67 D.3.5 Electromechanical devices . 67 D.3.6 Transformers . 68 D.3.7 Inductances . 68 D.3.8 Resistors . 68 D.3.9 Resistor Networks 68 D.3.10 Potentiometers . 68 D.3.11 Capacitors . 68 D.3.12 Disc

37、rete semiconductors 68 D.3.13 Signal Isolation components . 69 D.3.14 Non-programmable integrated circuits 69 D.3.15 Programmable and/or complex integrated circuits . 69 D.3.16 Motion and position feedback sensors 70 Annex E (normative) Electromagnetic (EM) immunity requirement for PDS(SR) . 74 E.1

38、General . 74 E.2 Immunity requirements low frequency disturbances . 74 E.3 Immunity requirements high frequency disturbances . 77 Annex F (informative) Estimation of PFD avgvalue for low demand with given PFH value 81 F.1 General . 81 F.2 Estimation of PFD avgvalue for low demand with given PFH valu

39、e . 81 Bibliography . 82 Figure 1 Installation and functional parts of a PDS(SR) . 10 Figure 2 Safety function consisting of safety sub-functions 19 IEC 61800-5-2:2016 IEC 2016 5 Figure 3 PDS(SR) development lifecycle 24 Figure B.1 Example PDS(SR) . 51 Figure B.2 Subsystems of the PDS(SR) 52 Figure

40、B.3 Function blocks of subsystem A/B . 53 Figure B.4 Reliability model (Markov) of subsystem A/B 56 Figure B.5 Function blocks of subsystem PS/VM 58 Figure B.6 Reliability model (Markov) of subsystem PS/VM . 60 Table 1 Alphabetical list of terms and definitions 12 Table 2 Example for determining the

41、 SIL from hardware and software independence . 30 Table 3 Safety integrity levels: target failure measures for a PDS(SR) safety sub- function 32 Table 4 Maximum allowable safety integrity level for a safety sub-function carried out by a type A safety-related subsystem 35 Table 5 Maximum allowable sa

42、fety integrity level for a safety sub-function carried out by a type B safety-related subsystem 35 Table A.1 Design and development procedure for PDS(SR) 47 Table B.1 Determination of DC factor of subsystem A/B 55 Table B.2 PFH value calculation results for subsystem A/B . 58 Table B.3 Determination

43、 of DC factor of subsystem A/B 59 Table B.4 PFH value calculation results for subsystem PS/VM 61 Table D.1 Printed wiring boards/assemblies . 66 Table D.2 Terminal block . 67 Table D.3 Multi-pin connector . 67 Table D.4 Electromechanical devices (for example relay, contactor relays) . 68 Table D.5 S

44、ignal Isolation components . 69 Table D.6 Non-programmable integrated circuits 69 Table D.7 Programmable and/or complex integrated circuits . 70 Table D.8 Motion and position feedback sensors 71 Table E.1 Minimum immunity requirements for voltage deviations, dips and short interruptions . 75 Table E

45、.2 PDS(SR) minimum immunity requirements for voltage deviations, dips and short interruptions on main power ports with a rated voltage above 1 000 V . 76 Table E.3 Immunity requirements high frequency disturbances . 77 Table E.4 General frequency ranges for mobile transmitters and ISM for radiated t

46、ests . 79 Table E.5 General frequency ranges for mobile transmitters and ISM for conducted tests . 80 6 IEC 61800-5-2:2016 IEC 2016 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS Part 5-2: Safety requirements Functional FOREWORD 1) The International Elect

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