1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 4660-004:2011Aerospace series Modular and Open AvionicsArchitecturesPart 004: PackagingBS EN 4660-004:2011 BRITISH STANDARDNational forewordThis British Standard is the UK
2、implementation of EN 4660-004:2011.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/6, Aerospace avionic electrical and fibre optictechnology.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purp
3、ort to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2011ISBN 978 0 580 62444 5ICS 49.090Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards
4、Policy and Strategy Committee on 31 March 2011.Amendments issued since publicationDate Text affectedBS EN 4660-004:2011EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4660-004 February 2011 ICS 49.090 English Version Aerospace series - Modular and Open Avionics Architectures - Part 004: Packagi
5、ng Srie arospatiale - Architectures Avioniques Modulaires et Ouvertes - Partie 004: Packaging Luft- und Raumfahrt - Modulare und offene Avionikarchitekturen - Teil 004: Packaging This European Standard was approved by CEN on 26 June 2010. CEN members are bound to comply with the CEN/CENELEC Internal
6、 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 standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
7、 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 CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versio
8、ns. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slov
9、enia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2011 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN n
10、ational Members. Ref. No. EN 4660-004:2011: EBS EN 4660-004:2011EN 4660-004:2011 (E) 2 Contents Page Foreword . 40 Introduction . 50.1 Purpose 50.2 Document structure 61 Scope . 62 Normative references . 73 Terms, definitions and abbreviations . 83.1 Terms and definitions. 83.2 Abbreviations 83.3 Pr
11、ecedence 93.4 Definition of terms 94 Generic module specification 114.1 Introduction . 114.2 Module description . 124.3 Module Physical Specification 124.4 Module Physical Interface - Connector 164.5 Module Physical Interface - Cooling . 204.6 Module Physical Interface Insertion Extraction Device .
12、235 Module Mechanical Tests 255.1 Master gauge test . 255.2 Module insertion and extraction . 256 Guidelines for a rack slot . 276.1 Introduction . 276.2 Interchangeability . 276.3 Rack Slot Design Requirements . 276.4 Connector interface 286.5 Conduction Cooled Interface . 296.6 Air Flow Cooled Int
13、erface 306.7 Relationship between Cooling, Connector and IED Rack Interfaces 327 Typical modular avionics environment 337.1 Ambient pressure (altitude) . 347.2 Humidity . 347.3 High and low temperatures 347.4 Thermal shocks . 357.5 Salt spray . 367.6 Vibrations 367.7 Accelerations 377.8 Mechanical s
14、hocks . 387.9 Contamination resistance 397.10 Flame resistance . 397.11 Fungus resistance 397.12 Rain 397.13 Acoustic noise 407.14 Electromagnetic environment . 407.15 Explosive atmosphere 407.16 Nuclear, Biological and Chemical (NBC) Hazards . 407.17 Sand and dust . 427.18 Single Event Upset / Mult
15、iple Bit Upset 427.19 Module Tempest 42BS EN 4660-004:2011EN 4660-004:2011 (E) 3 Figures Page Figure 1 ASAAC Standard Documentation Hierarchy . 5 Figure 2 Module definitions 10 Figure 3 CFM dimensions . 13 Figure 4 Module Connector Interface Definition and Identification (connector inserts shown for
16、 example only) . 16 Figure 5 Preferred Contact Identification (viewed from outside module, lowest numbered contact is towards Side C of the cassette) . 17 Figure 6 Contact Identification MT Ferrule . 18 Figure 7 Polarisation Key identification 19 Figure 8 Conduction Cooled Module Cooling Interface D
17、efinition 20 Figure 9 Air cooled module Cooling interface definition 22 Figure 10 IED Hook characteristics . 24 Figure 11 IED Implementation example . 25 Figure 12 Rack Connector Physical Interface . 28 Figure 13 Conduction Cooled rack guide rail . 29 Figure 14 Air Flow Through and Direct Air Flow c
18、ooled rack guide rail 30 Figure 15 Air Flow Around cooled rack guide rail 31 Tables Page Table 1 Allowed aluminium protective treatments . 14 Table 2 Ambient pressure in relation to altitude 34 Table 3 Temperature environmental conditions - Conditioned bay . 35 Table 4 Temperature environmental cond
19、itions - Unconditioned bay . 35 Table 5 Temperature environmental conditions - Storage 35 Table 6 Thermal shocks 36 Table 7 Sinusoidal vibrations . 36 Table 8 Rotational accelerations 37 Table 9 Transversal accelerations . 38 Table 10 Functional Shocks 38 Table 11 Summary of environment and bonding
20、environmental Conditions 40 Table 12 Initial Nuclear radiation conditions 41 Table 13 Nuclear hardening conditions . 41 BS EN 4660-004:2011EN 4660-004:2011 (E) 4 Foreword This document (EN 4660-004:2011) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardizatio
21、n (ASD-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 ASD, prior to its presentation to CEN. This European Standard shall be given
22、 the status of a national standard, either by publication of an identical text or by endorsement, at the latest by August 2011, and conflicting national standards shall be withdrawn at the latest by August 2011. Attention is drawn to the possibility that some of the elements of this document may be
23、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, Bel
24、gium, Bulgaria, Croatia, 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. BS EN 46
25、60-004:2011EN 4660-004:2011 (E) 5 0 Introduction 0.1 Purpose This document is produced under contract ASAAC Phase II Contract n97/86.028. The purpose of the ASAAC Programme is to define and validate a set of open architecture standards, concepts and guidelines for Advanced Avionics Architectures (A3
26、) in order to meet the three main ASAAC drivers. The standards, concepts and guidelines produced by the Programme are to be applicable to both new aircraft and update programmes from 2005. The three main goals for the ASAAC Programme are: 1. Reduced life cycle costs. 2. Improved mission performance.
27、 3. Improved operational performance. The ASAAC standards are organised as a set of documents including: A set of agreed standards that describe, using a top down approach, the Architecture overview to all interfaces required to implement the core within avionics system. The guidelines for system im
28、plementation through application of the standards. The document hierarchy is given hereafter: (in this figure the document is highlighted) Guidelines for System Issues System Management Fault Management Initialisation / Shutdown Configuration / Reconfiguration Time Management Security Safety Standar
29、d for Architecture Standard for Common Functional ModulesStandard for Communications and Network Standard for Packaging Standard for Software Figure 1 ASAAC Standard Documentation Hierarchy BS EN 4660-004:2011EN 4660-004:2011 (E) 6 0.2 Document structure The document contains the following clauses:
30、Clause 1, Scope. Clause 2, Normative references. Clause 3, Terms, definitions and abbreviation. Clause 4, Generic module specification. Clause 5, Module Mechanical Tests. Clause 6, Guidelines for a rack slot. Clause 7, Typical modular avionics environment. 1 Scope The purpose of this standard is to
31、establish uniform requirements for Packaging for the Common Functional Modules (CFM) within an Integrated Modular Avionic (IMA) system, as defined per ASAAC. It comprises the module physical properties and the Module Physical Interface (MPI) definitions together with guidelines for IMA rack and the
32、operational environment. The characteristics addressed by the Packaging Standard are: Interchangeability: For a given cooling method all modules conforming to the packaging standard will function correctly when inserted into any rack slot conforming to the standard for the cooling method. All module
33、s conforming to the Module Physical Interface (MPI) definitions for connector, IED and cooling interface will function correctly when inserted into any rack slot conforming to the same MPI definition. Maintainability: All modules are easily removable at first line. No special tools required at first
34、 line. No manual adjustment is necessary when installing modules. No tool is required for installation or removal of the modules. Mechanical keying is provided that prevents insertion of a module into a rack slot that may cause an unsafe condition. The Module Physical Interface definition, contained
35、 within this standard, does not include the properties of the signalling used in the optical interface (e.g. wavelength). These are covered in EN 4660-003. BS EN 4660-004:2011EN 4660-004:2011 (E) 7 2 Normative references The following referenced documents are indispensable for the application of thi
36、s document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2101, Aerospace series Chromic acid anodizing of aluminium and wrought aluminium alloys EN 2284, Aerospace series Sulphuric a
37、cid anodizing of aluminium and wrought aluminium alloys EN 2437, Aerospace series Chromate conversion coatings (yellow) for aluminium and aluminium alloys EN 4660-001, Aerospace series Modular and Open Avionics Architectures Part 001: Architecture EN 4660-002, Aerospace series Modular and Open Avion
38、ics Architectures Part 002: Common Functional Modules EN 4660-003, Aerospace series Modular and Open Avionics Architectures Part 003: Communications/Network EN 4660-005, Aerospace series Modular and Open Avionics Architectures Part 005: Software ASAAC2-GUI-32450-001-CPG Issue 01, Final Draft of Guid
39、elines for System Issues 1) Volume 1 System Management. Volume 2 Fault Management. Volume 3 Initialisation and Shutdown. Volume 4 Configuration / Reconfiguration. Volume 5 Time Management. Volume 6 Security. Volume 7 Safety. ARINC 600, Air transport avionics Equipment interfaces. Def Stan 03-18, Chr
40、omate Conversion Coatings (Chromate Filming Treatments) Grades: Standard and Brushing for Aluminium and Aluminium Alloys. Def Stan 03-24, Chromic Acid Anodizing of Aluminium and Aluminium Alloys. Def Stan 03-25, Sulphuric Acid Anodizing of Aluminium and Aluminium Alloys. 1) In preparation at the dat
41、e of publication of this standard. BS EN 4660-004:2011EN 4660-004:2011 (E) 8 BS 5599, Specification for hard anodic oxidation coatings on aluminium and its alloys for engineering purposes. 2)MIL-C-26074E, Coatings, Electroless Nickel Requirements. MIL-A-8625E, Anodic Coatings for Aluminium and Alumi
42、nium Alloys. MIL-C-81706, Chemical Conversion Materials for Coating Aluminium and Aluminium Alloys. MIL-C-5541, Chemical Conversion Coatings on Aluminium and Aluminium Alloys. 3 Terms, definitions and abbreviations 3.1 Terms and definitions Use of “shall”, “should” and “may” within the standards obs
43、erve the following rules: The word SHALL in the text express a mandatory requirement of the standard. The word SHOULD in the text expresses a recommendation or advice on implementing such a requirement of the standard. It is expected that such recommendations or advice will be followed unless good r
44、easons are stated for not doing so. The word MAY in the text expresses a permissible practice or action. It does not express a requirement of the standard. 3.2 Abbreviations AFA Air Flow Around AFT Air Flow Through ARINC Aeronautical Radio Inc ASAAC Allied Standard Avionics Architecture Council CC C
45、onduction CooledCFM Common Functional Module DAF Direct Air Flow EMC ElectroMagnetic Compatibility IED Insertion Extraction Device IMA Integrated Modular Avionics MBU Multiple Bit Upset 2) Replaces Def Stan 03-26. BS EN 4660-004:2011EN 4660-004:2011 (E) 9 MPI Module Physical Interface MT Mechanical
46、Transfer NBC Nuclear, Biological and Chemical PSD Power Spectral Density SEU Single Event Upset 3.3 Precedence Figures in this document have precedence over text. 3.4 Definition of terms 3.4.1 General terms Backplane A structure containing optical and electrical communication paths and electrical po
47、wer supply wiring between modules. This shall be a removable structure or integrated into the rack. Cassette Mechanical frame enclosing the electrical components of the module. Connector A device to provide all of the electrical and optical connections between the cassette and the backplane. The con
48、nector fixed to the module cassette plugs into the corresponding connector of the backplane. It comprises a shell, inserts contacts and ferrules. Contact A single signal connection, either an electrical pin/socket or a single fibre. In the case of fibre optic contacts this does not necessarily imply the mating parts are in mechanical contact. Cooling Interface Surface which contributes to the removal of heat from the module. Ferrule A housing and alignment device for one or more optical fibres. Insert A section of a connector containin
