SIST EN 3708-001:2009
(Main)Aerospace series - Modular interconnection systems - Terminal junction systems - Part 001: Technical specification
Aerospace series - Modular interconnection systems - Terminal junction systems - Part 001: Technical specification
This standard specifies the general characteristics of terminal junction systems for modular interconnection systems as well as test conditions, test programme and groups for quality assurance. It applies to products specially adapted to provide connections within a very reduced space for variable extendable, divisible, transformable and interchangeable combinations of equipment within a temperature range from 55 °C to 175 °C, and for altitudes up to 21 000 m for sealed modules or up to 13 700 m for unsealed modules. The conditions of use shall be in accordance with EN 2282. It also applies to interconnections incorporating components.
Luft- und Raumfahrt - Verteilersysteme in modularer Bauweise - Verteilermodule - Teil 001: Technische Lieferbedingungen
Diese Norm legt die allgemeinen Eigenschaften für Verteilersysteme in modularer Bauweise sowie die Prüfbe¬dingungen, Prüfprogramm und -gruppe für die Qualitätssicherung fest.
Sie gilt für besonders anpassungsfähige Erzeugnisse zur Herstellung von Verbindungen von variablen, ausbaufähigen, teilbaren, umwandlungsfähigen und austauschbaren Aufbaus auf sehr engem Raum innerhalb eines Temperaturbereiches von – 55 °C bis 175 °C und für Flughöhen bis 21 000 m bei abgedich¬teten Modulen oder 13 700 m bei nicht abgedichteten Modulen. Die Einsatzbedingungen müssen in Überein¬stimmung mit EN 2282 sein.
Sie gilt auch für Verbindungen mit eingebauten Bauelementen.
Série aérospatiale - Systèmes d'interconnexions modulaires - Barrettes de raccordement - Partie 001 : Spécification technique
Aeronavtika - Modularni medsebojno povezljivi sistemi - Razdelilni moduli - 001. del: Tehnična specifikacija
General Information
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Luft- und Raumfahrt - Verteilersysteme in modularer Bauweise - Verteilermodule - Teil 001: Technische LieferbedingungenSérie aérospatiale - Systèmes d'interconnexions modulaires - Barrettes de raccordement - Partie 001 : Spécification techniqueAerospace series - Modular interconnection systems - Terminal junction systems - Part 001: Technical specification49.060Aerospace electric equipment and systemsICS:Ta slovenski standard je istoveten z:EN 3708-001:2006SIST EN 3708-001:2009en,de01-september-2009SIST EN 3708-001:2009SLOVENSKI
STANDARD
SIST EN 3708-001:2009
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 3708-001May 2006ICS 49.060 English VersionAerospace series - Modular interconnection systems - Terminaljunction systems - Part 001: Technical specificationSérie aérospatiale - Systèmes d'interconnexionsmodulaires - Barrettes de raccordement - Partie 001 :Spécification techniqueLuft- und Raumfahrt - Verteilersystem in modularerBauweise - Verteilermodule - Teil 001: TechnischeLieferbedingungenThis European Standard was approved by CEN on 9 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-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 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, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2006 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 3708-001:2006: ESIST EN 3708-001:2009
EN 3708-001:2006 (E) 2 Contents Page Foreword.3 1 Scope.4 2 Normative references.4 3 Terms and definitions.5 4 Description.6 4.1 General.6 4.2 Products.6 4.3 Contacts.7 5 Design.7 6 Definition drawings and masses.7 7 Tests.7 7.1 General.7 7.2 Specific tests.16 8 Quality assurance.17 8.1 Qualification.17 8.2 Conditions for initial qualification.18 8.3 Maintenance of qualification.22 8.4 Conditions for acceptance and inspection.22 8.5 Quality control.22 9 Identification and marking.23 10 Packaging.23 11 Storage.23
SIST EN 3708-001:2009
EN 3708-001:2006 (E) 3 Foreword This European Standard (EN 3708-001:2006) has been prepared by the European Association of Aerospace Manufacturers - Standardization (AECMA-STAN). After enquiries and votes carried 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 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/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, 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. SIST EN 3708-001:2009
EN 3708-001:2006 (E) 4 1 Scope This standard specifies the general characteristics of terminal junction systems for modular interconnection systems as well as test conditions, test programme and groups for quality assurance. It applies to products specially adapted to provide connections within a very reduced space for variable extendable, divisible, transformable and interchangeable combinations of equipment within a temperature range from − 55 °C to 175 °C, and for altitudes up to 21 000 m for sealed modules or up to 13 700 m for unsealed modules. The conditions of use shall be in accordance with EN 2282. It also applies to interconnections incorporating components. 2 Normative references The following referenced documents are indispensable for the application 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 2266-002, Aerospace series — Cables, electrical, for general purpose — Operating temperatures between − 55 °C and 200 °C — Part 002: General.
EN 2282, Aerospace series — Characteristics of aircraft electrical supplies. EN 2591-100*, Aerospace series — Elements of electrical and optical connection — Test methods — Part 100: General. EN 3155-016, Aerospace series — Electrical contacts used in elements of connection — Part 016: Contacts, electrical, male, type A, crimp, class S — Product standard. 1) EN 3708-002, Aerospace series — Modular interconnection systems — Terminal junction systems — Part 002: Performance specification.
EN 9133, Aerospace series — Quality management systems — Qualification Procedure for aerospace standard parts. MIL-PRF-7870C, Lubricating oil, general purpose, low temperature. 2) MIL-PRF-23699F, Lubricating oil, aircraft turbine engine, synthetic base, nato code number O-156. 2) MIL-PRF-87937D, Cleaning compound, aerospace equipment. 2)
MIL-HDBK-454A, General guidelines for electronic equipment (Guideline 4: Fungus - Inert materials). 2) AMS 1424, Deicing/anti-icing fluid, aircraft — SAE Type I. 3)
AS 1241C, Fire resistant phosphate ester hydraulic fluid for aircraft. 3)
* Including all its parts quoted. 1) Published as AECMA Prestandard at the date of publication of this standard. 2) Published by: Department of Defense (DOD), the Pentagon, Washington, D.C. 20301 USA. 3) Published by: Society of Automotive Engineers, Inc. (SAE) 400 Commonwealth Drive, Warrendale, PA 15096-001 USA. SIST EN 3708-001:2009
EN 3708-001:2006 (E) 5 3 Terms and definitions For the purposes of this standard, the following terms and definitions apply. 3.1 modular interconnection system an arrangement permitting the interconnection of contacts according to a predetermined design NOTE 1 The female contacts are fitted in the module or extension piece and the male contacts are removable and crimped on. NOTE 2 Climatic category and assembly are defined in EN 3708-002. 3.2 removable module terminal junction system assembly of associated removable modules with their components, which are also removable, assembled on a frame 3.3 frame generally metal parts of a specified shape constituting both the assembly system for removable modules and removable components and the mounting system for the whole 3.4 removable module connector device composed of one or more groups of defined contacts, disposed inside an insulating box and connected together according to a predefined design NOTE 1 It can readily be positioned, repositioned or removed from the frame for ease of connection or modification of a terminal junction system. NOTE 2 A removable module may be either of the feedback or feed-through type. 3.4.1 removable feedback module module on which access to the contacts is on one face of the module only 3.4.2 removable feed-through module module on which access to the contacts is on two opposite faces of the module 3.5 removable components accessories generally associated with the module, such as end plates, module clamps, etc. 3.6 group of contacts assembly of several contacts electrically interconnected 3.7 interconnection diagram electrical arrangement of the group or groups of contacts within a modular interconnection system 3.8 module clamp appropriate device for mounting an assembly of modules on a frame SIST EN 3708-001:2009
EN 3708-001:2006 (E) 6 3.9 insulator removable wall of insulating material for insertion between two modules to provide supplementary insulation between them 3.10 mounting carrier device suitable for mounting one, two or three modules 3.11 connector - extension piece device with one or more quick-release feed-through connections inside an insulating sleeve 3.12 individual connector terminals individual quick-release terminals generally used for earthing 3.13 earth module module with a group of electrically interconnected contacts and mounted with a bolt or a carrier and earthed by a metal plate 3.14 modules for or with components removable feedback or feed-through modules, the contacts of which are electrically connected to one or more electrical components in different combinations 3.15 connectors - extension pieces with components devices with the same function as standard extension piece connectors except that components such as resistors, diodes, or fuses are incorporated in them See also EN 2591-100. 4 Description 4.1 General A modular interconnection system comprises one or more insulating boxes fitted with contacts, which may or may not be mounted in a support or frame in conformity with its product standard. Its cavities take crimped contacts as defined in EN 3155-016 and, on request, blanking devices. 4.2 Products The products covered by this standard shall include: a) removable module terminal junction systems mounted on various supports or frames, in sealed and unsealed versions: 1) feedback type; 2) feed-through type. b) frames with accessories for removable modules; c) mounting carriers for modules; SIST EN 3708-001:2009
EN 3708-001:2006 (E) 7 d) connectors - extension pieces; e) individual terminals; f) earth modules; g) modules for or with components; h) connectors - extension pieces with components. 4.3 Contacts See EN 3155-016. Contacts exist in four sizes: 22, 20, 16, 12. Unsealed modules do not include contacts of sizes 16 and 12. 5 Design Materials not specified and not specially described shall be the lightest possible for the required application. When dissimilar metals are in close contact, adequate protection against corrosion shall be used for the electromotive force of the cell which shall not exceed 0,25 V. Insertion and extraction of contacts shall be through sockets located on the access surface or surfaces. If tools are necessary for insertion and extraction of contacts, their use shall not impair the product characteristics. 6 Definition drawings and masses The general dimensions and masses of the different components and the interconnection diagrams constituting a modular interconnection system are defined in the product standards. 7 Tests 7.1 General See Table 1. SIST EN 3708-001:2009
EN 3708-001:2006 (E) 8 Table 1 EN 2591- Designation of the test Details 101 Visual examination Initial examination: examination of components (modules, extension pieces, etc.), detached parts (contacts, mounting components, supports, etc.) Details to be examined: - identification; - appearance; - marking; - surface finish. 102 Examination of dimensions and mass See product standard. 201 Contact resistance - low level The contact resistance shall not exceed the value shown in the table below. The values recorded shall be divided by two to give the contact resistance of one contact.
Contact size Contact resistance mΩ
22 5
20 4
16 3
12 2
202 Contact resistance at rated current See Figures 1 and 2. The contact resistance shall not exceed the value shown in the table below. The values recorded shall be divided by two to give the contact resistance of one contact.
Contact size Contact resistance mΩ Rated current
A
22 5 5
20 4 7,5
16 3 13
12 2 23
continued SIST EN 3708-001:2009
EN 3708-001:2006 (E) 9 Table 1 (continued) EN 2591- Designation of the test Details 202 (continued)
Key 1 Maximum section 2 Feedback module Figure 1 — Resistance test for feedback module
Key 1 Feed-through module Figure 2 — Resistance test for feed-through module continued SIST EN 3708-001:2009
EN 3708-001:2006 (E) 10 Table 1 (continued) EN 2591- Designation of the test Details 203 Electrical continuity at microvolt level Not applicable 204 Discontinuity of contacts in the microsecond range Duration of micro-discontinuity: ≤ 1 µs Method B Test time: throughout the duration of tests EN 2591-402 and EN 2591-403
205 Housing (shell) electrical continuity Not applicable 206 Measurement of insulation resistance Method C Fully wired specimens. Insulation resistance at ambient temperature: 5 000 MΩ min. During test EN 2591-303 and after test EN 2591-304: 100 MΩ min. During test EN 2591-301 and
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