1、BRITISH STANDARDBS EN 3708-004:2006Aerospace series Modular interconnection systems Terminal junction systems Part 004: Removable feedback modules version, unsealed Product standardThe European Standard EN 3708-004:2006 has the status of a British StandardICS 49.060g49g50g3g38g50g51g60g44g49g42g3g58
2、g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 3708-004:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 29 Septem
3、ber 2006 BSI 2006ISBN 0 580 49219 2National forewordThis British Standard was published by BSI. It is the UK implementation of EN 3708-004:2006.The UK participation in its preparation was entrusted by Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology, to Subcommittee
4、 ACE/6/-/3, Aerospace Connectors.A list of organizations represented on ACE/6/-/3 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
5、cannot confer immunity from legal obligations.Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 3708-004May 2006ICS 49.060English VersionAerospace series - Modular interconnection systems - Terminaljunction systems - Part 004: Removable feedba
6、ck modulesversion, unsealed - Product standardSrie arospatiale - Systmes dinterconnexionsmodulaires - Barrettes de raccordement - Partie 004 :Version modules amovibles retour, non tanches -Norme de produitLuft- und Raumfahrt - Verteilersystem in modularerBauweise - Verteilermodule - Teil 004: Anreih
7、bareDurchfhrungsmodule, nicht abgedichtet - ProduktnormThis European Standard was approved by CEN on 16 March 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any a
8、lteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by tran
9、slationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hung
10、ary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: ru
11、e de Stassart, 36 B-1050 Brussels 2006 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 3708-004:2006: E2 Contents Page Foreword 3 1 Scope .4 2 Normative references .4 3 Terms and definitions.4 4 Required characteristics 4 5 Designati
12、on .8 6 Marking 8 7 Delivery conditions.8 8 Packaging8 9 Storage 8 10 Technical specification.8 EN 3708-004:20063 Foreword This European Standard (EN 3708-004:2006) has been prepared by the European Association of Aerospace Manufacturers - Standardization (AECMA-STAN). After enquiries and votes carr
13、ied out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of AECMA, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either
14、 by publication of an identical text or by endorsement, at the latest by November 2006, and conflicting national standards shall be withdrawn at the latest by November 2006. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/
15、or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark,
16、 Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 3708-004:20064 1 Scope This standard specifies a removable ver
17、sion of feedback unsealed modules, designed to operate at temperatures between 55 C and 175 C and at a maximum altitude of 13 700 m, constituting a terminal junction system used in modular interconnection systems. 2 Normative references The following referenced documents are indispensable for the ap
18、plication 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 2591-101, Aerospace series Elements of electrical and optical connection Test methods Part 101: Visual examin
19、ation. EN 2591-317, Aerospace series Elements of electrical and optical connection Test methods Part 317: Flammability. EN 3708-001, Aerospace series Modular interconnection systems Terminal junction systems Part 001: Technical specification. 3 Terms and definitions For the purposes of this standard
20、, the terms and definitions given in EN 3708-001 apply. 4 Required characteristics 4.1 Dimensions and masses See Figure 1 and Table 1. The modules shall be coded A or B depending on their dimensions and the contacts with which they are used (see Table 1). A recess shall be provided for coding labels
21、, thickness: 0,5. Dimensions and tolerances are in millimetres. EN 3708-004:20065 Key 1 Contact rear 2 Broken angle 3 Hard insulator 4 Contact Figure 1 Table 1 Code Contact size Mass without contactsg max. A 22 6,1 B 20 8,1 EN 3708-004:20066 4.2 Interconnection diagrams See Figures 2 and 3 and Table
22、s 2 and 3. The following shall be visible on the contact access surface: lines delimiting each group of contacts; the contact socket code for each group. The colour of these lines and codes shall contrast with that of the contact access surface. Figure 2 Interconnection diagrams for modules code A,
23、contact size 22 Table 2 Feedback module, code A Diagram number Number of contacts Definition of diagrams A01 10 groups, 9 of 2 contacts 1 of 3 contacts A02 7 groups of 3 contacts A03 1 group of 21 contacts A04 5 groups, 3 of 4 contacts 1 of 6 contacts 1 of 3 contacts A05 1 group of 9 contacts 1 grou
24、p of 12 contacts A06 21 of size 22 3 groups of 7 contacts EN 3708-004:20067 Figure 3 Interconnection diagrams for modules code B, contact size 20 Table 3 Feedback module, code B Diagram number Number of contacts Definition of diagrams B01 5 groups of 2 contacts B02 1 group of 10 contacts B03 2 group
25、s, 1 of 2 contacts 1 of 8 contacts B04 2 groups, 1 of 4 contacts 1 of 6 contacts B05 3 groups, 2 of 2 contacts 1 of 6 contacts B06 3 groups, 2 of 4 contacts 1 of 2 contacts B07 4 groups, 3 of 2 contacts 1 of 4 contacts B08 2 groups of 5 contacts B09 4 groups, 2 of 2 contacts 2 of 3 contacts B10 3 gr
26、oups, 1 of 5 contacts 1 of 2 contacts 1 of 3 contacts B11 10 of size 20 3 groups, 1 of 4 contacts 2 of 3 contacts EN 3708-004:20068 4.3 Flammability Test EN 2591-317 - Method A 5 Designation EXAMPLE Description block FEEDBACK MODULE Identity block EN3708-004B02 Number of this standard Diagram number
27、, see Tables 2 and 3 NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 6 Marking Unless otherwise indicated, the marking shall be shown on the modules. This marking shall include: the manufacturers reference; the date of manufacture (year, week);
28、 the name or mark of the manufacturer. 7 Delivery conditions The modules are supplied without contacts. 8 Packaging The modules shall be supplied in a package to protect them from damage. 9 Storage Every five years, an inspection shall be performed to test EN 2591-101. The date of inspection shall b
29、e noted and the modules repacked in accordance with Clause 8. 10 Technical specification See EN 3708-001. EN 3708-004:2006blankBS EN 3708-004:2006BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national body responsible for preparing British Standards. It
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