1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 1996-1 1-29 prEN 3708-003 Edition P 2 November 1996 C2 Chairman Mr Pezzetta Comments should be sent within six months after the date of publication to AECMA Gulledelle 94 6-1 200 BRUXELLES ICs : 49.060 PUBLISHED BY THE EUROPEAN A
2、SSOCIATION OF AEROSPACE INDUSTRIES (AECMAI Gulledelle 94 - 6-1200 BRUXELLES - Tel. (32) 2 775 81 10 - Fax. (32) 2 775 81 11 Supersedes edition P 1 September 1995 Descriptors : Aircraft industry, connecting equipment, terminal strips, specifications, dimensions, design, marking, connection diagrams E
3、NGLISH VERSION Aerospace series Modular interconnection systems Terminal junction systems Part 003 : Removable feedback modules version, sealed Product standard Srie arospatiale Luft- und Raumfahrt Systmes dinterconnexions modulaires Partie 003 : Version modules amovibles Verteilersystem in modulare
4、r Bauweise Teil 003 : Anreihbare Durchfhrungsmodule, Barrettes de raccordement Verteilermodule retour, tanches abgedichtet Norme de produit Produ ktnorm This “Aerospace Series Prestandard has been drawn up under the responsibility of AECMA (The European Association of Aerospace Industries). It is pu
5、blished on green paper for the needs of AECMA-Members. It has been technically approved by the experts of the concerned Technical Committee following comment by the Member countries. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that inter
6、changeability is affected, physically or functionally, without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre (NPS) and formal agreement of the Official Services of the Member countries it will be submitted as a draft European Standard to CEN
7、 (European Committee for Standardization) for formal vote. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 3 prEN 3708-003 : 1996 1 Scope This sta
8、ndard specifies a removable version of feedback sealed modules, designed to operate at temperatures between - 55 OC and 175 OC and at a maximum altitude of 21 O00 m, constituting a terminal junction system used in modular interconnection systems. 2 Normative references This European Standard incorpo
9、rates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this Europea
10、n Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 2591-101 Aerospace series - Elements of electrical and optical connection - Test methods - Part 101 : Visual examination Aerospace series - Elements
11、of electrical and optical connection - Test methods - Part 317 : Flammability 1) Aerospace series - Modular interconnection systems - Terminal junction systems - Part O01 : Technical specification 1) EN 2591 -31 7 EN 3708-001 3 Definitions For the purposes of this standard, the following definitions
12、 apply : See EN 3708-001. Previous page is blank 1) Published as AECMA Prestandard at the date of publication of this standard Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted witho
13、ut license from IHS-,-,-Page 4 prEN 3708-003 : 1996 Contact size Code 4 Required characteristics A B max. f Oll 4.1 Dimensions and masses See figure 1 and table 1. Dimensions and tolerances are in millimetres. The modules shall be coded A, B, C or D depending on their dimensions and the contacts wit
14、h which they are used (see table 1). A recess shall be provided for coding labels, thickness : 0,5. A B c D 1 See detail B I I - 22 21,6 10 20 20 10 16 25 12 12 25 15 TI - 0.1 Detail B (4:l) _I Figure 1 Table 1 Mass without contacts 9 max. 9 8 12 16 Copyright Association Europeene des Constructeurs
15、de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-STD-AECMA PREN 3708-003-ENGL 179b 1012311 0012214 3bll 10 groups, 1 of 3 contacts 9 of 2 contacts 7 groups of 3 contacts 1 group of 21 contacts 5 groups,
16、 - 3 of 4 contacts 1 of 6 contacts 1 of 3 contacts 1 group of 9 contacts Page 5 prEN 3708-003 : 1996 A06 4.2 Interconnection diagrams See figures 2 to 6 and tables 2 to 6. 1 group of 12 contacts 3 groups of 7 contacts The following shall be visible on the contact access surface : - lines delimiting
17、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. o1 02 03 04 05 Figure 2 : Interconnection diagrams for modules code A. contact size 22 Table 2 I Diagram I Feedback module, code A I I number
18、I Number of contacts I *O1 I I Definition of diagrams I 06 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,- - STD=AECMA PREN 3708-003-ENGL 377b = 30323
19、11 0032235 ZTO Diagram number Feedback module, code B Number of contacts I Definition of diagrams Page 6 prEN 3708-003 : 1996 02 03 O4 os o1 O8 09 IO 11 07 Figure 3 : Interconnection diagrams for modules code B, contact size 20 Table 3 BO 1 I I5 QrouDs of 2 contacts I 1 QrouD of IO contacts 2 groups
20、, 2 groups, 3 groups, 1 of 2 contacts 1 of 8 contacts 1 of 4 contacts 1 of 6 contacts 2 of 2 contacts 1 of 6 contacts BO6 1 3 groups, 4 groups, 2 aroum of 5 contacts 2 of 4 contacts 1 of 2 contacts 3 of 2 contacts 1 of 4 contacts 10 of size 20 BO7 1 I BO8 BO9 I 14 groups, 2 of 2 contacts 2 of 3 cont
21、acts 3 groups, 1 of 5 contacts 1 of 2 contacts 1 of 3 contacts 2 of 3 contacts Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 7 prEN 3708-003 : 1
22、996 Diagram number CO 1 CO2 CO3 CO4 CO5 CO6 CO8 o1 Feedback module, code C Number of contacts Definition of diagrams 4 groups of 2 contacts 1 group of 8 contacts 2 groups, 2 groups of 4 contacts 3 groups, 3 groups, 2 groups of 4 contacts 1 of 2 contacts 1 of 6 contacts 2 of 2 contacts 1 of 4 contact
23、s 2 of 3 contacts 1 of 2 contacts 8 of size 16 02 03 04 05 - 06 - O8 Figure 4 : Interconnection diagrams for modules code C, contact size 16 Table 4 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or netw
24、orking permitted without license from IHS-,-,- STD=AECMA PREN 3708-003-ENGL 199b W 3012311 0032237 073 Diagram number C5 1 Page 8 prEN 3708-003 : 1996 Feedback module, code C Number of contacts 8 of size 20 2 of size 12 Definition of diagram 1 group of 10 contacts 51 Diagram number Figure 5 : Interc
25、onnection diagram for hybrid module code C, contact sizes 20 and 12 Feedback module, code D Number of contacts Definition of diagrams Table 5 - o1 02 03 Figure 6 : Interconnection diagrams for module, code D, contact size 12 Table 6 171 6 of size 12 ID041 1 of 2 contacts I2 groups of 3 contacts I Co
26、pyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,- - STD.AECMA PREN 3708-003-ENGL L99b LOL23Ll OOL22L TOT Page 9 prEN 3708-003 : 1996 4.3 Flammability Test
27、 EN 2591 -31 7 - Method B 5 Designation EXAMPLE : Description block FEEDBACK MODULE Identity block I I EN3708-003A02 I- Number of this standard J Diagram number, see tables 2 to 6 NOTE : If necessary, the code 19005 shall be placed between the description block and the identity block. 6 Marking Unle
28、ss otherwise indicated, the marking shall be shown on the modules. This marking shall include : - the manufacturers 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
29、 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 be noted and the modules repacked in accordance with 8. 1 O Technical specification See EN 3708-001. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
