1、BRITISH STANDARDBS EN 3708-003:2006Aerospace series Modular interconnection systems Terminal junction systems Part 003: Removable feedback modules version, sealed Product standardThe European Standard EN 3708-003:2006 has the status of a British StandardICS 49.060g49g50g3g38g50g51g60g44g49g42g3g58g4
2、4g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 3708-003:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 29 Septembe
3、r 2006 BSI 2006ISBN 0 580 49218 4National forewordThis British Standard was published by BSI. It is the UK implementation of EN 3708-003:2006.The UK participation in its preparation was entrusted by Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology, to Subcommittee A
4、CE/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 ca
5、nnot confer immunity from legal obligations. Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 3708-003May 2006ICS 49.060English VersionAerospace series - Modular interconnection systems - Terminaljunction systems - Part 003: Removable feedbac
6、k modulesversion, sealed - Product standardSrie arospatiale - Systmes dinterconnexionsmodulaires - Barrettes de raccordement - Partie 003 :Version modules amovibles retour, tanches - Normede produitLuft- und Raumfahrt - Verteilersystem in modularerBauweise - Verteilermodule - Teil 003: AnreihbareDur
7、chfhrungsmodule, 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 alteration. Up
8、-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 translationunder
9、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, Hungary, Iceland,
10、 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: rue de Stassart
11、, 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 3708-003:2006: E2 Contents Page Foreword 3 1 Scope .4 2 Normative references .4 3 Terms and definitions.4 4 Required characteristics 4 5 Designation .10 6 Mark
12、ing 10 7 Delivery conditions.10 8 Packaging10 9 Storage 10 10 Technical specification.10 EN 3708-003:20063 Foreword This European Standard (EN 3708-003:2006) has been prepared by the European Association of Aerospace Manufacturers - Standardization (AECMA-STAN). After enquiries and votes carried out
13、 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 by pub
14、lication 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/or CENE
15、LEC 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, Estoni
16、a, 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 3708-003:20064 1 Scope This standard specifies a removable version of
17、 feedback sealed modules, designed to operate at temperatures between 55 C and 175 C and at a maximum altitude of 21 000 m, constituting a terminal junction system used in modular interconnection systems. 2 Normative references The following referenced documents are indispensable for the application
18、 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 examination. EN
19、 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, the ter
20、ms 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, B, C or D depending on their dimensions and the contacts with which they are used (see Table 1). A recess shall be provided for coding labels, t
21、hickness: 0,5. Dimensions and tolerances are in millimetres. EN 3708-003:20065 Figure 1 Table 1 Code Contact size A B Mass without contacts g max. 0,1 max. A 22 21,6 10 9B 20 20 10 8 C 16 25 12 12D 12 25 15 16 4.2 Interconnection diagrams See Figures 2 to 6 and Tables 2 to 6. The following shall be
22、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. EN 3708-003:20066 Figure 2 Interconnection diagrams for modules code A, contact size 22
23、Table 2 Feedback module, code A Diagram number Number of contacts Definition of diagrams A01 10 groups, 1 of 3 contacts 9 of 2 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 group of 12 contacts
24、 A06 21 of size 22 3 groups of 7 contacts EN 3708-003:20067 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 groups, 1 of 2 contac
25、ts 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 groups, 1 of 5 con
26、tacts 1 of 2 contacts 1 of 3 contacts B11 10 of size 20 3 groups, 1 of 4 contacts 2 of 3 contacts EN 3708-003:20068 Figure 4 Interconnection diagrams for modules code C, contact size 16 Table 4 Feedback module, code C Diagram number Number of contacts Definition of diagrams C01 4 groups of 2 contact
27、s C02 1 group of 8 contacts C03 2 groups, 1 of 2 contacts 1 of 6 contacts C04 2 groups of 4 contacts C05 3 groups, 2 of 2 contacts 1 of 4 contacts C06 3 groups, 2 of 3 contacts 1 of 2 contacts C08 8 of size 16 2 groups of 4 contacts EN 3708-003:20069 Figure 5 Interconnection diagram for hybrid modul
28、e code C, contact sizes 20 and 12 Table 5 Feedback module, code C Diagram number Number of contacts Definition of diagram C51 8 of size 20 2 of size 12 1 group of 10 contacts Figure 6 Interconnection diagrams for module, code D, contact size 12 Table 6 Feedback module, code D Diagram number Number o
29、f contacts Definition of diagrams D01 3 groups of 2 contacts D02 1 group of 6 contacts D03 2 groups, 1 of 4 contacts 1 of 2 contacts D04 6 of size 12 2 groups of 3 contacts EN 3708-003:200610 4.3 Flammability Test EN 2591-317 - Method B 5 Designation EXAMPLE Description block FEEDBACK MODULE Identit
30、y block EN3708-003A02 Number of this standard Diagram number, see Tables 2 to 6 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 man
31、ufacturers reference; the date of manufacture (year, week); the name or mark of the manufacturer. 7 Delivery conditions The modules shall be 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
32、be performed to test EN 2591-101. The date of inspection shall be noted and the modules repacked in accordance with Clause 8. 10 Technical specification See EN 3708-001. EN 3708-003:2006blankBS EN 3708-003:2006BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independe
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