EN 2591-100-2018 Aerospace series - Elements of electrical and optical connection - Test methods - Part 100 General.pdf

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1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Aerospace series - Elements of electrical and optical connection - Test methodsPart 100: GeneralBS EN 2591100:2018National forewordThis British Standard is the UK implementation of EN 2591100:2018. It supersedes BS EN 2

2、591100:2005, which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purp

3、ort to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2018 Published by BSI Standards Limited 2018ISBN 978 0 580 51478 4ICS 49.090; 49.060Compliance with a British Standard cannot confer immunity from legal obl

4、igations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 August 2018.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 2591100:2018EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 2591-100August 2018ICS

5、 49.060; 49.090 Supersedes EN 2591100:2005EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGCEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2018 CEN Ref. No. EN 2591100:2018: EAll rights of exploitation in any form and by any means res

6、erved worldwide for CEN national MembersAerospace series Elements of electrical and optical connection Test methods Part 100: GeneralSrie arospatiale Organes de connexion lectrique et optique Mthodes dessais Partie 100 : GnralitsLuft- und Raumfahrt - Elektrische und optische Verbindungselemente - Pr

7、fverfahren Teil 100: AllgemeinesThis European Standard was approved by CEN on 24 December 2017.CEN 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-da

8、te lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translation

9、under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Forme

10、r Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.English VersionEN 2591-100:2018 (E)Euro

11、pean foreword iii1 Scope . 42 Normative references 43 Terms and definitions . 4For the following terms, see EN 3745201 84 Standard test conditions 85 Test main requirements 85.1 Fibre end preparation . 85.1.1 General 85.1.2 Parameters 85.1.3 Methods 115.1.4 Specimen examination and acceptance 115.1.

12、5 Termination cleaning 125.2 Light Launch System (LLS) 125.2.1 General. 125.2.2 Generating the correct launch conditions .135.2.3 Launch conditions specification for 62,5/125 m fibres and cables (NA = 0,275) 145.2.4 Launch conditions specification for 50/125 m fibres and cables (NA = 0,2) 166 List o

13、f test methods .197 Test report 23iiContents PageBS EN 2591100:2018EN 2591-100:2018 (E)European forewordThis document (EN 2591-100:2018) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN).After enquiries and votes carried out in accordance wi

14、th the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CEN.This European Standard shall be given the status of a national standard, either by publication of an ident

15、ical text or by endorsement, at the latest by February 2019, and conflicting national standards shall be withdrawn at the latest by February 2019.Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible fo

16、r identifying any or all such patent rights.This document supersedes EN 2591100:2005.According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Re

17、public, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom

18、.iiiBS EN 2591100:2018EN 2591-100:2018 (E)1 ScopeThis European Standard specifies the general requirements for the methods of testing elements of electrical, optical and data transmission system connections used in aerospace applications.2 Normative referencesThe following documents are referred to

19、in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.EN 2083, Aerospace series Copper and c

20、opper alloys conductors for electrical cables Product standardEN 2084, Aerospace series Cables, electrical, general purpose, with conductors in copper or copper alloy Technical specificationEN 2234, Aerospace series Cable, electrical, fire resistant Technical specificationEN 2346, Aerospace series F

21、ire resistant electrical cables Dimensions, conductor resistance and mass ,1)EN 2591 (all parts), Aerospace series Elements of electrical and optical connection Test methodsEN 3745201, Aerospace series Fibres and cables, optical, aircraft use Test methods Part 201: Visual examinationEN 4641100, Aero

22、space series Cables, optical 125 m diameter cladding Part 100: Tight structure 62,5/125 m core GI fibre 1,8 mm outside diameter Product standardEN 605121, Connectors for electronic equipment Tests and measurements Part 1: GeneralEN 60793143, Optical fibres Part 1-43: Measurement methods and test pro

23、cedures Numerical aperture measurementEN 60793145, Optical fibres Part 1-45: Measurement methods and test procedures Mode field diameter2)IEC 60050581, International Electrotechnical Vocabulary Part 581: Electromechanical components for electronic equipment ,3)IEC 61300335, Fibre optic interconnecti

24、ng devices and passive components Basic test and measurement procedures Part 3-35: Examinations and measurements Visual inspection of fibre optic connectors and fibre-stub transceivers 3)3 Terms and definitionsFor the purposes of this document, the terms and definitions given in IEC 60050-581 and EN

25、 60512-1 and the following apply.ISO and IEC maintain terminological databases for use in standardization at the following addresses: IEC Electropedia: available at http:/www.electropedia.org/ ISO Online browsing platform: available at http:/www.iso.org/obp1) )Published as ASD-STAN Prestandard at th

26、e date of publication of this standard. (http:/www.asdstan.org/)2) )Published as ASD-STAN Technical Report at the date of publication of this standard. (http:/www.asdstan.org/)3) )Published by: IEC Commission Electrotechnique Internationale http:/www.iec.ch/4 BS EN 2591100:2018EN 2591-100:2018 (E)3.

27、1element of electrical or optical connection 4)component such as connector, module, etc., the purpose of which is to ensure the connection of circuits3.2flight cover (or protective cover)accessory designed to ensure, in flight, mechanical protection and sealing of front face of a non-coupled connect

28、or3.3connector with built-in protection of contactsconnector with characteristics such that male or female contacts, mounted in a plug or receptacle, cannot come into contact with the front of the connector to which it is coupled (scoop-proof) and in which, in the event of accidental coupling of two

29、 parts or the connector equipped with male contacts, no electrical contact can take place3.4contact pressure pointpoint at which a square ended gauge pin of the same basic diameter as the mating contact first engages the female contact spring member3.5initial measurementexamination or measurement of

30、 characteristics carried out to determine the magnitude of the variations produced by the stress or stresses appliedThis examination or measurement is carried out at the end of preconditioning and under normal atmospheric conditions for measuring.3.6final measurementexamination or measurement of cha

31、racteristics carried out at the end of the recovery to assess the condition of the specimen after testing and to determine the magnitude of the variations in characteristics in relation to the values recorded at initial measuring3.7flammabilitya product is considered to be “non-flammable“ when combu

32、stion due to exposure for a given duration to a standard external flame remains localized and stops spontaneously after withdrawal of the flame3.8fire resistancea product is considered to be “fire-resistant“ when, subjected to a standard flame: it retains its electrical role for six minutes;Radius o

33、f curvature3.9values of alternating voltage and currentunless otherwise indicated, alternating voltage and current are indicated in root mean square values3.10line data buspair of twisted wires, shielded, having a specified impedance, a matched impedance at its two ends and used for data transport3.

34、11branch linesection of twisted wires, shielded, with a specified impedance, which connects equipment to a bus line4) In test standards the term “element of connection“ shall be used.5BS EN 2591100:2018EN 2591-100:2018 (E)3.12line couplerelement of electrical or optical connection the purpose of whi

35、ch is to shunt the transmission signals from a bus line to equipment3.13line coupler, singlecoupler consisting of one line and one branch3.14line coupler, doublecoupler consisting of one line and two branches3.15in-line splicepermanent element of electrical or optical connection for two-wire cables3

36、.16line terminationend line component the purpose of which is to match the bus line to its characteristic impedance3.17branch terminationend branch termination the purpose of which is to eventually replace equipment3.18recoverytreatment of a specimen, after conditioning, so that the properties of th

37、e specimen may be stabilized before measuring3.19optical fibre cablea certain number of optical fibres or bundles, coated separately and joined inside a common sheath3.20beam splitterdevice for dividing an optical beam into two separate beams3.21insertion loss (of an optical element)extra optical at

38、tenuation caused by the insertion of an extra optical element into an optical system3.22launch anglethe launch angle is the angle between the wave propagation vector of the incoming light and the normal vector of an optic fibre end face3.23mode conditionera device for adapting the light output from

39、a source to produce a defined launch condition for testing an optical system3.24multimode fibrea multimode fibre is an optical fibre having a large core diameter dimension in relation to the wavelength of the light, and in which a large number of modes can propagate3.25optical portthe port which rad

40、iates or accepts optical power at the interface6 BS EN 2591100:2018EN 2591-100:2018 (E)3.26fibre optic branching devicea device possessing three or more optical ports which shares optical power among its ports in a predetermined fashion3.27patchcordan assembly where the cable or fibre is terminated

41、at each end with either a plug or receptacle connector3.28pigtaila pigtail is a short length of fibre between a component and a transmission fibre, often permanently secured to the component (LED, coupler, connection elements, .)3.29power metera device for measuring the optical power in a fibre opti

42、c system. Power measurements are usually made in Watts or dBm. Relative power measurements are made in dB.3.30single mode fibrea single mode fibre is an optical fibre in which only one mode can propagate3.31passive couplera passive coupler is a passive branching device in which power from one or mor

43、e incoming optical ports is distributed to one or more outgoing optical ports3.32tee coupleran optical fibre tee coupler is a passive coupler or combiner with three optical ports3.33return losslight energy reflected back from discontinuities in a fibre optic link3.34Light Launch SystemLLSdevice desi

44、gned to create defined and repeatable light coupling conditions in a test setup3.35Light Detection SystemLDSdevice designed to take repeatable measurements of light transmitted by a test setup3.36temporary jointnon permanent optical fibre connecting devices for use on equipment3.37terminatora non-re

45、flective termination of an optical fibre3.38test cordIt is a terminated optical fibre cord used to connect the test equipment to the optical span, or to provide a suitable interfaces to the cabling under test.7BS EN 2591100:2018EN 2591-100:2018 (E)For the following terms, see EN 3745-201Optical fibr

46、e - Core - Cladding - Primary coating - Refractive index profile - Step index fibre - Graded index fibre - Quasi-step index fibre - Core diameter - Cladding diameter - Concentricity error core/cladding - Non circularity of core Non circularity of cladding Attenuation Numerical aperture Bandwidth4 St

47、andard test conditions4.1 The test methods are written so that the test may be carried out either individually or included in a test sequence. When the test is carried out individually, the measurements are applicable so that the effect of the test on the performances of the specimen can be evaluate

48、d.This is why “if applicable“ has been added to the titles “Initial measurements“ and “Final measurements“.4.2 Unless otherwise indicated in the test method, technical specification or product standard, the test conditions shall be as follows: temperature: (23 5) C; atmospheric pressure: 86 kPa to 1

49、06 kPa (860 mbar to 1 060 mbar); relative humidity: 45 % to 75 %.The temperature and humidity shall remain constant throughout a series of measurements.Unless otherwise indicated in the technical specification, the cables used for tests shall be in accordance with EN 2083 and EN 2084 or EN 2234 and EN 2346.5 Test main requirements5.1 Fibre end preparation5.1.1 GeneralThe aim of this section is to give recommendations on the acceptable end condition of fibres