1、MIL-PRF-62559A D 9999906 2043735 406 D IINCH-POUND MIL-PRF-625 59A(AT) 23 June 1997 SUPERSEDING 12 January 1990 MIL-D-62559(AT) PERFORMANCE SPECIFICATION DISTRIBUTION BOX, VEHICLE This specification is approved for use by U.S. Arrny Tank-automotive and Armaments Command, Department of the Army, and
2、is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers a Vehicle Distribution Box, referred to as the VDB. 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3 and 4 of this spe
3、cification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet aii specified require
4、ment documents cited in sections 3 and 4 of this specification, whether or not they are listed. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: U.S. Army Tank-automotive and Armaments Command, A
5、TTN: AMSTA-TR-EBLUE, Warren, M 48397-5000, by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document, or by letter. AMSC N/A FSC 61 10 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for Resale
6、No reproduction or networking permitted without license from IHS-,-,- MIL-PRF-b2559A 9999906 2043736 342 = 2.2 Government documents. 2.2.1 Soecifications. standards and handbooks. The following specifications, standards and handbooks form a part of this document to the extent specified herein. Unles
7、s otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the solicitation (see 6.2). STANDARDS DEPARTMENT OF DEFENSE MIL-STD-8 1 O - Environmental Test Methods and E
8、ngineering Guidelines. (bless otherwise indicated, copies of the above specifications, standards, and handbooks are available from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 191 11-5094.) 2.2.2 Other Government documents. drawinm. and publications. The
9、 following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. DRAWINGS ARMY 123285 13 - Distribution Box, Vehicle (1Al) (Interface). (Copies of these drawings
10、are available from the U.S. Army Tank-automotive and Armaments Command, ATTN: AMSTA-TR-E/BLUE, Warren, MI 48397-5000.) 2.3 Non-Government publications. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents which a
11、re DoD adopted are those listed in the issue of the DoDISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the DoDISS are the issues of the documents cited in the solicitation (see 6.2). AMERTCAN NATIONAL STANDARD INSTITUTE (ANSI) ANSIIASQC 21.4 - Samplin
12、gProcedures and Tables for Inspection by Attributes OD Adopted). 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-625 59A(AT) (Application for copies should be addressed to American National Standard Institute (ANSI), 11 West 42nd Street, Ne
13、w York, NY 10036.) 2.4 Order of precedence. In the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obt
14、ained. 3. REQUTREMENTS 3.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspection in accordance with 4.4. 3.2 Materials. Materials shall be in accordance with the manufacturers materials specifications for VDBs. Materials shall be capable of meeting ail the
15、operational and environmental requirements specified herein. Asbestos and cadmium materiais shall not be used in any form in any part of the VDB. No item, part or assembly shall contain radioactive materiais in which the specific activity is greater than 0.002 microcuries per gram or activity per it
16、em equals or exceeds 0.01 microcuries (see 4.7.1). 3.2.1 Dissimilar metals. Except where necessary to complete an electrical circuit, contact between dissimilar metais which would encourage galvanic action shall be avoided. Separation of dissimilar metals shall be accomplished by providing insulatio
17、n between mating surfaces (see 4.7. i). 3.2.2 Recycled. recovered. or environmentally preferable materials. Recycled, recovered, or environmentally preferable materials should be used to the maximum extent possible provided that the material meets or exceeds the operational and maintenance requireme
18、nts, and promotes economically advantageous life cycle costs (see 4.7. i). 3.3 Design and construction. Components and subassemblies shail be designed and constructed in accordance with the VDB manufacturers standards. VDBs shd conform to the envelope dimensions, and the electrical and mounting inte
19、rfaces as shown in Drawing 123285 13 (see 4.7.1 and 4.7.2). 3.3.1 Cementing of gasket. Cementing of gasket shall be in accordance with the manufacturers commercial practices (see 4.7. i). 3.3.2 Lockwire. Lockwire shall be in accordance with the commercial practices (see 4.7.2). 3 Provided by IHSNot
20、for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-PRF-6255A m 9Oh 2043738 335 MIL-PRF-625 5 9A(AT) 3.3.3 Environmental Stress Screening CESS). Unless otherwise specified (see 6.2), the VDB shall be subjected to ESS (see 6.4.2), in accordance with Drawing 123285 13 (
21、see 4.7.1). 3.4 Performance characteristics. 3.4.1 Primarv Dower source. Power for the VDB shall be supplied from a 28 volt (V) direct current (dc) source having the following characteristics and connections (see 4.7.3): a. Characteristics: 1. Upper limit - 30. O Vdc. 3. Lower limit - 18.0 Vdc. 2. N
22、ominal - 28.0 Vdc. b. Connections: 1. 28 Vdc connection (as specified). 2. Power ground connection - El. NOTE: Unless otherwise specified, 28 Vdc refers to nominal 28 Vdc. Unless otherwise specified, the negative side of all power sources shall be connected to El. 3.4.2 Relav switching functions. Ve
23、hicle functions shall be controlled by the following relays: a. Cold start relay. b. Fire suppressant relay. c. Starter cutout relay. d. Lamp test relay. e. Slave power relay. f Hydraulic pump motor relay. 3.4.2.1 Cold start relay. K1. When 28 Vdc is applied to JlO-A, and J8-E is connected to El, th
24、e voltage at J7-A and J7-B shall be within 0.5 Vdc of the source voltage (see 4.7.4. i). 3.4.2.2 Fire suppressant relav. K8. Operation of K8 relay shall be as follows (see 4.7.4.2): a. When 28 Vdc is applied to J2-J, J8-BR is connected to ground through a 1.0 kohm, 5 percent (%), 114 Watt (W) resist
25、or and toggle switch S2 is momentarily activated, the voltage at J8-BR shail be less than 0.5 Vdc. b. When 28 Vdc is applied to J2-J and a 10.0 i 1.0 Vdc, 125 i 50 millisecond (ms) pulse is applied between J1-C (plus (+) and El (minus (-), the relay shall latch as indicated by the constant 28 Vdc so
26、urce voltage at J8-BR. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-PRF-hZS9A Wl 9Ob 2043719 051 MIL-PRF-625 59A(AT) 3.4.2.3 Starter lockout relav, K3. When 28.0 to 30.0 Vdc is applied to J8-AA, the following shd occur (see 4.7.4.3): a. The
27、re shall be continuity between JS-BC and El and between J15-L and El when a ground is applied to J7-M. b. There shall be continuity between J8-BC and El and between J15-L and El when the frequency of the following sine wave signal, applied between J7-M and J7-N, is less than 575 hertz ). Continuity
28、shall not exist between 38-BC and El and between J15-L and El when the frequency of the following sine wave signai, applied between J7-M and J7-N, is greater than 1100 Hz: 1. Signal amplitude: 2.5 It 0.5 V peak-to-peak (pp) 2. Source impedance: greater than 100 ohms. 3.4.2.4 Lamp test relay. K4. Whe
29、n 28 Vdc is applied to JS-AF, J8-AA, and J10-A, the following shall occur (see 4.7.4.4): a. Headphone warning signal shall occur (see 3.4.4.1). b. Flasher indicator warning signal shall occur (see 3.4.4.2). 3.4.2.5 Masterslave power transfer relay. K5. Operation of K5 shd be as follows (see 4.7.4.5)
30、: 3.4.2.5.1 Slave. proDer polarity. When 28 Vdc is applied between J13 (inner socket) (+) and J13 (outer shell) (-), the following shall occur: a. J10-A shall be within 0.5 Vdc of the 28 Vdc source. b. The green portion of “Slave Receptacle Power” light-emitting diode (LED) shall illuminate. 3.4.2.5
31、.2 Slave. reverse polarity. When ground is removed from El and 28 Vdc is applied between 313 (ier socket) (-) and J13 (outer shell) (+), the following shall occur: a. Continuity shall not exist between JlO-A and J13 (inner socket). b. The red portion of the “Slave Receptacle Power” LED shall illumin
32、ate. 3.4.2.5.3 Vehicle power bus. normal. When 28 Vdc is applied to J10-A and the “Energize Slave Receptacle” pushbutton switch is depressed, the inner socket of 513 shall be within 0.5 Vdc of the 28 Vdc source. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license f
33、rom IHS-,-,- MIL-PRF-bZ559A CI 9999906 2043720 873 MIL-PRF-625 59A(AT) 3.4.2.6 Hydraulic pump motor relay- K7. When 28 Vdc is applied between J8-U (+) or J3-C (+) and J8-BD (-), there shall be continuity between J10-A and J17-A and between J10-A and J15-V (SE 4.7.4.6). 3.4.3 Nuclear-Biolorrical-Chem
34、ical N3C) system operation. When 28 Vdc is applied to JlO-A and the “EX system” toggle switch is in the “ON” position, the associated LED shall be iiluminated and 28 Vdc shall be present at JI-D, J1-E, J1-F and J1-G (see 4.7.5). 3.4.4 Warning signal functions. When 28 Vdc is applied to J8-AA and any
35、 of the following occurs, the headphone warning signal and the flashing indicator signal shall occur (see 4.7.6): a. Ground is applied to any one of the following, J4-X, J7-R, J7-S, J7-T, J%U, J7-a, b. 28 Vdc is applied to J8-X through a resistance of 1000 to 4700 ohms and ground is applied to J7-h.
36、 c. The lamp test relay K4 is energized by applying 28 Vdc to J8-AF and J10-A. and J7-C. 3.4.4.1 Headphone warning sipal. The headphone warning signal shall be a 150 Hz voltage signal interrupted at the rate of 1.5 5 0.5 Hz by the flashing indicator signal 760 in 3.4.4.2. The signal shall be present
37、 at J8-C from the time a warning signal function is applied until a ground is momentarily applied to J8-AC. When a 185 2 80 kohm, 1/4 W resistor is connected between J8-C and El, the shape of the 760 Hz signal shall be Siar to that shown in FIGURE 1. Headphone warning signal. 6 Provided by IHSNot fo
38、r ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-PRF-62559A 9999706 2043723 70T m From connector pin J 14-h J15-h MIL-PRF-625 59A(AT) To connector pin Resistance (ohms) Jl4-j 124 to 130 Jl5-j 1085 to 11 15 3.4.4.2 Flashing indicator signal. The flashing indicator sig
39、nal shall be a voltage pulse train as shown in figure 2. The signal shall be present at J8-AJ only during the presence of a warning signal function. It- PERIOD: 500 to 1000 ms 2.2 VdcMINIMUM - Oto2.0 Vdc DUTY CYCLE: 45 TO 55% -+I NOTE: Value shown is for nominal 28.0 Vdc applied to J8-AA. For source
40、 Vdc and shall meet the requirements of 3.4.2.1 through 3.4.11 after exposure to this humid environment (see 4.8.6). 3.5.7 Fungus. The VDB shall show no evidence of fingus growth after being subjected to a fungus conducive environment. The VDB shall then meet the requirements of 3.4.2.1 through 3.4.
41、1 1 at the conclusion of the fungus test (see 4.8.7). 3.6 Identification marking. The VDB shall be legibly and permanently marked and shall include as a minimum the following (see 4.7.2): Nomenclature: Chassis Distribution Box Design Activity: 19207 Part Number: 12328513 Manufacturers Serial Number
42、Manufacturers Cage Code Date of Manufacturing 3.7 Workmanship. Ail parts and components of the VDB shall be free fi-om dirt and other extraneous material and fiom defects of workmanship that impair performance (see 4.7.2). 4. VERIFICATION 4.1 Classification of inmection. The inspection requirements
43、specified herein are classified as follows: a. First article inspection (see 4.4). b. Conformance inspections (CI) (see 4.5). c. Control tests (see 4.6). 4.2 Insuection eauipment. 4.2.1 Automatic test eauiDment !ATE). ATE shail meet minimum power, accuracy and loading requirements to test the VDB (s
44、ee 6.3). 4.2.1.1 ATE software. ATE software shall be in accordance with a software plan approved by the procuring activity. This plan shall address as a minimum the following software- related activities: a. Design and coding standards b. Configuration management 14 Provided by IHSNot for ResaleNo r
45、eproduction or networking permitted without license from IHS-,-,-NIh-PRF-62559A 9999906 2043729 TTO MIL-PRF-625 59A(AT) c. Testing d. Documentation e. Quality assurance, including corrective action In cases where a circuit is common to more than one function, the program shall test the circuit one t
46、ime for one function, but shall not be required to retest the circuit for the additional function(s) (see 6.4.3). 4.2.1.1.1 Data systems compatibility. Compatibility shall be established between the contractors and the procuring activitys data systems at the time of contract award (see 6.2). 4.2.1.2
47、 Fault insertion. Unless otherwise specified herein, ATE shall have fault insertion performed in accordance with Appendix A, whenever ATE is developed or altered (see 6.2). 4.3 Inspection conditions. Unless otherwise specified herein (see 6.2), all inspections shall be performed under the following
48、standard (room) ambient conditions: a. Temperature: 77 i 18F (25 for inspection. Samples for conformance inspection shall be selected in accordance with ANSUASQC 21.4. 15 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-PRF-62559A 9999906 2043730
49、 712 W TI Title Grouu A: Materials signal fnctions. To determine conformance to 3.4.4, the warning signal functions (headphone warningkiashing indicator) shali be tested in accordance with table Xvm. TABLE Xvm. Warning; sime se. No. 80 1 802 803 804 805 806 807 808 809 810 811 8 12 813 8 14 815 816 817 818 819 820 82 1 Operation Begin Init: JS-AA/HI: J4-WG: *J8-C/F7m external load
