1、BRITISH STANDARDBS EN 61131-2:2007Programmable controllers Part 2: Equipment requirements and testsThe European Standard EN 61131-2:2007 has the status of a British StandardICS 25.040.40; 35.240.50g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59
2、g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 61131-2:2007This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 January 2008 BSI 2008ISBN 978 0 580 55236 6National forewordThis British Sta
3、ndard is the UK implementation of EN 61131-2:2007. It is identical to IEC 61131-2:2007. It supersedes BS EN 61131-2:2003 which is withdrawn.The UK participation in its preparation was entrusted by Technical Committee GEL/65, Measurement and control, to Subcommittee GEL/65/2, Elements of systems. A l
4、ist of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from leg
5、al obligations.Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARD EN 61131-2 NORME EUROPENNE EUROPISCHE NORM September 2007 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische
6、 Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2007 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 61131-2:2007 E ICS 35.240.50; 25.040.40 Supersedes EN 61131-2:2003English version Programmable controllers -
7、Part 2: Equipment requirements and tests (IEC 61131-2:2007) Automates programmables - Partie 2: Spcifications et essais des quipements (CEI 61131-2:2007) Speicherprogrammierbare Steuerungen - Teil 2: Betriebsmittelanforderungen und Prfungen (IEC 61131-2:2007) This European Standard was approved by C
8、ENELEC on 2007-08-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national stan
9、dards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and not
10、ified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuan
11、ia, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Foreword The text of document 65B/623/FDIS, future edition 3 of IEC 61131-2, prepared by SC 65B, Devices fast supply voltage variation test; slow supply v
12、oltage variation test; gradual shut-down/start-up test. c) Change of EMC requirements in Clause 8: requirements for radiofrequency interference in Table 33 changed from 3 V to 10 V; for Zone B equipment; reference to EMC basic standards with the last version; reference to generic standards 61000-6-x
13、; cable length aligned to generic standards. d) Correction of the following tests in Clause 9: voltage dips and interruptions power port type tests and verifications. e) New organization of Clause 11: equipment types and protection; open PLC-system equipment; enclosed PLC-system equipment: Class I e
14、quipment, Class II equipment, Class III equipment; protection against electric shock; definition of secondary circuits which do not pose a risk of electric shock: Class 2 circuit, limited voltage/current circuit, limited voltage circuit, limited energy circuit 30 V a.c. or 42,2 V peak, limited imped
15、ance circuit; protection against the spread of fire within limited power circuits; protective earthing requirements for enclosed equipment; minor improvements in different subclauses; impulse test only for verification of clearances. EN 61131-2:2007 2 The following dates were fixed: latest date by w
16、hich the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2008-05-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2010-08-01 This European Standard has been prepared under a mandate g
17、iven to CENELEC by the European Commission and the European Free Trade Association and covers essential requirements of EC Directives EMC (89/336/EEC) and EMC2 (2004/108/EC). See Annex ZZ. Annexes ZA and ZZ have been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 6
18、1131-2:2007 was approved by CENELEC as a European Standard without any modification. _ EN 61131-2:2007 3 CONTENTS INTRODUCTION.12 1 General 13 1.1 Scope and object.13 1.2 Compliance with this standard.14 1.3 Normative references 14 2 Type tests 17 2.1 Equipment to be tested (equipment under test/EUT
19、)17 2.2 Special features for immunity and EMC tests.18 2.3 Withstand test conditions 19 2.4 Verification procedure .19 2.5 Requirements for test programmes and proper functioning verification procedures (PFVPs) to be provided by the manufacturer.19 2.6 General conditions for tests.20 3 Terms and def
20、initions .20 4 Normal service conditions and requirements.28 4.1 Climatic conditions and requirements 28 4.1.1 Operating ambient air temperature 28 4.1.2 Relative humidity.28 4.1.3 Altitude28 4.1.4 Pollution degree 29 4.2 Mechanical service conditions and requirements .29 4.2.1 Vibrations 29 4.2.2 S
21、hock 29 4.2.3 Free falls (portable and hand-held equipment).30 4.3 Transport and storage conditions and requirements 30 4.3.1 Temperature30 4.3.2 Relative humidity.30 4.3.3 Altitude30 4.3.4 Free falls (PLC units in manufacturers original packaging)31 4.3.5 Other conditions 31 4.4 Electrical service
22、conditions and requirements 31 4.4.1 AC and d.c. equipment power supply.31 4.4.2 Overvoltage category, control of transient overvoltages.31 4.4.3 Non-periodic overvoltages .31 4.5 Special conditions and requirements .31 5 Functional requirements .31 5.1 Functional power supply and memory back-up req
23、uirements .33 5.1.1 AC and d.c. power supply33 5.1.2 Memory back-up34 5.2 Digital I/Os 34 5.2.1 Digital inputs (current sinking) .35 5.2.2 Digital outputs for alternating currents (current sourcing).37 5.2.3 Digital outputs for direct current (current sourcing) 40 EN 61131-2:2007 4 5.3 Analogue I/Os
24、 .41 5.3.1 Analogue inputs.41 5.3.2 Analogue outputs.41 5.4 Communication interface requirements42 5.5 Main processing unit(s) and memory(ies) of the PLC-system requirements .42 5.6 Remote input/output stations (RIOSs) requirements 42 5.7 Peripherals (PADTs, TEs, HMIs) requirements 42 5.8 PLC-system
25、 self-tests and diagnostics requirements .43 5.9 Functional earthing43 5.10 Mounting requirements43 5.11 General marking requirements 44 5.11.1 Functional identifications .44 5.11.2 Module location and module identifications44 5.11.3 Functional earth terminals markings 44 5.12 Requirements for norma
26、l service and functional type tests and verifications 44 5.13 Requirements for information on normal service and function44 6 Normal service and functional type tests and verifications 44 6.1 Climatic tests 44 6.2 Dry-heat and cold withstand tests45 6.2.1 Variation of temperature 46 6.2.2 Cyclic dam
27、p heat withstand test 47 6.3 Mechanical tests .48 6.3.1 Vibration (type test associated with normal service conditions)48 6.3.2 Shock (type test associated with normal service conditions) 48 6.3.3 Free fall (type test associated with normal service conditions).49 6.3.4 Free fall (type test associate
28、d with transport and storage conditions) 49 6.3.5 Plugging/unplugging of removable units.49 6.4 Verification of special functional requirements for power ports and memory back-up Special immunity limits for power ports .49 6.4.1 Verification of functional equipment power input port (a.c. or d.c.) .5
29、0 6.4.2 External energy supply variation tests (immunity tests)51 6.4.3 Improper equipment power supply connection tests.54 6.4.4 Verification of memory back-up requirements 55 6.5 Verification of input/output requirements .55 6.5.1 General .55 6.5.2 Verification of digital inputs56 6.5.3 Verificati
30、on of digital outputs .56 6.5.4 Verification of analogue I/Os57 6.6 Verification of communication interface requirements 58 6.7 Verification of MPU requirements 58 6.8 Verification of remote I/O stations .59 6.8.1 Response time test59 6.8.2 Loss of communication test .59 6.8.3 Verification of other
31、requirements 59 6.9 Verification of peripheral (PADTs, TEs, HMIs) requirements59 6.10 Verification of PLC-system self-tests and diagnostics59 6.11 Verification of markings and manufacturers documentation.59 7 General information to be provided by the manufacturer.60 7.1 Information on type and conte
32、nt of documentation.60 EN 61131-2:2007 5 7.1.1 Information on catalogues and datasheets.60 7.1.2 Information on users manuals .60 7.1.3 Information on technical documentation.60 7.2 Information on compliance with this standard 60 7.3 Information on reliability 61 7.4 Information on other conditions
33、.61 7.5 Information on shipping and storage61 7.6 Information on a.c. and d.c. power supply .61 7.7 Information on digital inputs (current sinking) 61 7.8 Information on digital outputs for alternating currents (current sourcing)62 7.9 Information on digital outputs for direct current (current sourc
34、ing) .63 7.10 Information on analogue inputs .63 7.10.1 Information on analogue input static characteristics.63 7.10.2 Information on analogue input dynamic characteristics 63 7.10.3 Information on analogue input general characteristics .64 7.10.4 Information on analogue input miscellaneous characte
35、ristics .64 7.11 Information on analogue outputs .64 7.11.1 Information on analogue output static characteristics.64 7.11.2 Information on analogue output dynamic characteristics 64 7.11.3 Information on analogue output general characteristics .65 7.11.4 Information on analogue output miscellaneous
36、characteristics.65 7.12 Information on communication interfaces.65 7.13 Information on main processing unit(s) and memory(ies) of the PLC-system .65 7.14 Information on remote input/output stations (RIOSs) .66 7.15 Information on peripherals (PADTs, TEs, HMIs) 67 7.16 Information on self-tests and d
37、iagnostics.67 8 Electromagnetic compatibility (EMC) requirements .67 8.1 General .67 8.2 Emission requirements 68 8.2.1 General requirements for emission 68 8.2.2 Emission limits in the low-frequency range 68 8.2.3 Emission limits in the high-frequency range.68 8.3 EMC immunity requirements68 8.3.1
38、General .69 8.3.2 Performance criteria 70 8.3.3 Immunity levels71 8.3.4 Voltage dips and interruptions power ports 73 8.4 Requirements for EMC tests and verifications .74 8.5 Requirements for information on EMC .74 9 Electromagnetic compatibility (EMC) type tests and verifications 74 9.1 Electromagn
39、etic compatibility-related tests74 9.2 Test environment.75 9.3 Measurement of radiated interference .75 9.4 Measurement of conducted interference75 9.5 Electrostatic discharge 76 9.6 Radiofrequency electromagnetic field Amplitude modulated .76 9.7 Power-frequency magnetic fields.77 9.8 Fast transien
40、t bursts77 9.9 High-energy surges .78 EN 61131-2:2007 6 9.10 Conducted radiofrequency interference .78 9.11 Damped oscillatory wave (for zone C only)79 9.12 Voltage dips and interruptions .79 10 Electromagnetic compatibility (EMC) information to be provided by the manufacturer .80 11 Safety requirem
41、ents .80 11.1 Equipment types and protection 80 11.1.1 Open PLC-system equipment 80 11.1.2 Enclosed PLC-system equipment 80 11.2 Protection against electrical shock 82 11.2.1 Permissible limits for accessible parts .82 11.2.2 Dielectric strength .83 11.2.3 Ports requiring protection 83 11.2.4 Protec
42、tion in normal condition .84 11.2.5 Protection in single-fault condition .85 11.2.6 Secondary circuits which do not pose a risk of electrical shock86 11.3 Protection against the spread of fire 87 11.3.1 Limited power circuits87 11.4 Clearance and creepage distances requirements 88 11.4.1 Clearances
43、relating to overvoltage category II .89 11.4.2 Clearances for micro-environment where voltages are known and controlled 90 11.4.3 Creepage distances for basic and supplementary insulation 91 11.4.4 Creepage distances for double/reinforced insulation94 11.4.5 Creepage for field-wiring terminals 94 11
44、.5 Flame-retardant requirements for non-metallic materials .94 11.5.1 Non-metallic enclosure material.94 11.5.2 Non-metallic material supporting live parts 94 11.5.3 Non-metallic parts .95 11.5.4 Decorative and labelling materials .95 11.5.5 Internal wiring or interconnection cables95 11.6 Temperatu
45、re limits 95 11.7 Enclosures 95 11.7.1 Open equipment 96 11.7.2 Enclosed equipment 96 11.8 Operator-accessible hazardous live field-wiring terminal constructional requirements .96 11.9 Provisions for protective earthing 96 11.9.1 Protective earthing requirements for enclosed equipment97 11.9.2 Prote
46、ctive earthing requirements for open equipment 97 11.10 Wiring.98 11.10.1 Internal wiring .98 11.10.2 Interconnection wiring .98 11.10.3 Equipment power input cord 98 11.11 Switching devices .99 11.12 Components related to safety requirements99 11.13 Battery requirements 99 11.14 Maximum voltage and
47、 minimum voltage99 11.15 Markings and identification .99 11.15.1 External wiring terminals identification 100 EN 61131-2:2007 7 11.15.2 Live parts 100 11.15.3 Protective earth terminals markings.100 11.15.4 Enclosed Class II equipment .100 11.15.5 Equipment supplied by SELV/PELV.101 11.15.6 Rating i
48、nformation .101 11.16 Requirements for safety type tests and verifications .101 11.17 Requirements for safety routine tests and verifications .101 11.17.1 Requirement for dielectric strength verification101 11.17.2 Requirement for protective earthing verification.101 11.18 Requirements for informati
49、on on safety.101 12 Safety type tests and verifications 102 12.1 Safety-related mechanical tests and verifications 102 12.1.1 Impact withstand test.102 12.1.2 Operator accessibility tests103 12.1.3 General examination of openings.103 12.1.4 Wire flexing test.104 12.1.5 Temperature test .104 12.1.6 Protective coating test .104 12.1.7 Rigidity test .104 12.1.8 Clearance and creepage verification105 12.1.9 Field-wiring terminals constructional verification 105 12.2 Safety-related electric
