1、e Td z743 MIL-H-85330A 66 m 9777706 OLqSLLL q f MIL-H-85330A(AS) 17 April 1981 Supersedi na MILITARY SPECIFICATION MI L-H-8 53 3 (AS ) 18 July 1979 HYBRID TEST SYSTEM This specification is approved for use by Naval Air Systems Command, Department of the Navy, and is available for use by all Departme
2、nts and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This document establishes the minimum performance and design characteristics for a Hybrid Test System (HTS). The HTS will be used for functional and diagnostic test of analog and hybrid Units Under Test (UUTs) within a variety of wea
3、pon systems either currently in inventory or projected for subsequent introduction into inventory. 2. APPLICABLE DOCUMENTS 2.1 Issue of documents. The following documents of the issue in effect on date of icvitation for bids or request for proposal form a part of this specification to the extent spe
4、cified herein. SPECIFICATIONS Military MIL-M-7793 MIL-Q-9858 MIL-T-18303 Time Totalizing Meter Quality Program Requirements Test Procedures; Preproduction and Inspection for Aircraft Elec- tronic Equipment, format for Beneficial comments (recommendations, additions, deletions) and any pertinent data
5、 which may be of use in improving this document should be addressed to: Commanding Officer, Naval Air En- gineering Center, Engineering Specifications and Standards De- partment (ESSD) Code 93, Lakehurst, NJ 08733, by using the self-addressed Standardization Document Improvement Proposal (DD Form 14
6、26) appearing atthe end of this document or by letter. FSC 6625 -1- 7”s DOCUMENT CONTAINS a PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MI L-N- I830 7 MIL-T-28800 MIL-S-52779 MIL-D-85424 St andards Mi 1 it ar y MIL-STD-129 MIL-STD-210 Nome
7、nclature and Nameplates for Aeronautical Electronic and Associated Equipment Test Equipment for Use with Electrical and Electronic Equipment; General Specification for Software Quality Assurance Program Requirements Performance and Interface Specifi- cation for Digital Word Generator ( En han ced )
8、Marking for Shipment and Storage Climactic Extremes for Military Equipment MIL-STD-461 Electromagnetic Interference Characteristic Requirements for Equipment MIL-STD-470 Maintainability Progr am Requirement ( for Syst ems and Equipment ) MIL-STD-471 MIL-STD-794 MIL-STD-847 MIL-STD-882 MIL- STD- 13 0
9、9 MIL-STD-1553 MIL-STD-2076 Maintainability Demonst rat ion Parts and Equipment, Procedures for Packing and Packaging of Reliability Program for Systems and Equipment Deyelopment and Product ion System Safety Program for Systems and Associated Subsystems and Equipment, Requirements for Interface Sta
10、ndards for Shipboard Systems Aircraft Internal Time Division Command/Response Multiplex Data Bus Unit Under Test Compatibility with ATE, General Requirements for Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-H-85330A 66 777770b 0145113 8 W PUBL
11、ICATIONS Mi lit ary OPNAVINST 4790.2B CH-7, VOL1 I, (.A 72 Naval Avtation LogPstrcs Command Management TnformatTon System (NALCOM I S ) (Copies of specrfications, standards, drawings, and publications required by contractors in connection .wth speckfic activity or as directed by the contracttng offi
12、cer,) 2.2 Other publcations. The following documents form a part of this specification to the extent specified herein, less otherwise indicated, the issue 1 in effect on date of invita- tion for bids or request for proposal shall apply. Un- AMERICAN NATIONAL STANDARDS INSTITUTE CANSI) ANSI X3.9-1978
13、 American National Standards American Nat2onal Fortran ANSI X3.4 American Standard Code for Information Interchange (-$CII) (Application for copies should be addressed to the American Standards Institute, 1430 Broadway, New Pork, N,Y,. . 10019.) INSTITUTE OF ELECTRICAL AND ELECTRONIC ENGINEERS. (:I.
14、EEE) IEEE-STD-416-1978 IEEE/ARINC Standard ATLAS Test Language and ATLAS Syntax IEEE-STD-488-1978 IEEE Standard DfgttaP Interface for ProgramabXe Instrumentat ron (Application for copies should be addressed to the Inst tute of Electrical and Electronic Engneers,. Tnc, 345 East 47th Street, New York,
15、 N.Y. 10017.) (Technical society and technical association specificatons and standards are generally available for reference from libraries. technical groups and using Federal agencfes. ) They are also distributed ammg -3- Provided by IHSNot for ResaleNo reproduction or networking permitted without
16、license from IHS-,-,-o MIL-H-85330A bb m 7797706 0145114 T m hfIL-H-85330A( AS) 3. REQUIREMENTS 3.1 HTS definition. The HTS shall be a computer con- trolled automatic test set which will provide the capability for performing functional and diagnostic f atilt isolat ion tests on analog or hybrid UUTs
17、. The HTS, when used with appropriate Test Program Sets (TPSs) (not covered as part of this specification), shall provide the capabilivies to rapidly and accurately perform the following functions, system environment to detect faults which would preclude satisfactory system performance. a. Test a UU
18、T in 8 manner simulating its normal b, Isolate the cause of UUT failure. c. Perform self-test on the KTS to determine if it Isolate HTS malfunction(s) to the next lower is functionally capable of testing UUTs. HTS replaceable unit. accordance with the requirements of 3.2.7.5 contained herein. accord
19、ance with the requirements of 3.2.7.5 contained herein. d. e. Perform self-certification on the HTS in f. Direct recalibration of the HTS resources in 3.2 General design requirements. 3.2.1 Selection of hardware. The hardware selected for incorporation into the HTS shall be state-of-the-art, current
20、ly manufactured and of a proven design such that performance, reliability and accuracy are readily verifiable. Selected hardware shall be common with, or have optimum logistics commonality to successfully demonstrated implementations of ATE elements currently existing within ATE in the inventory of
21、the procuring activity. Hardware meeting these requirements which has been built to best commercial practice is acceptable. 3.2.1.1 Hardware built to best commercial practice. Hardware built to best commercial practice shall be that hardware which is: a. b. Price$ and offered for public sale Develop
22、ed and tested to published criteria ,. ,I -4- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. MIL-H-85330A(AS) c. Described as to form, construction and perform- d. Constructed such that spare parts are commer- ance by available technical data. cia
23、lly available e. Independently perfected by the manufacturer f. Upwards compatible in an applicable product line of the manufacturer 3.2.2 Design and construction. Detailed m-echanical and electrical design of the system shall be accomplished such that the system is suitable for use in Intermediate
24、and Depot Level military maintenance activities, either ashore or afloat. Mechanical and electrical design of the system may be accom- plished in accordance with best commercial practices consistent with the HTS capabilities specified herein. Selections of HTS modular hardware elements -shall take i
25、nto consideration the test compatibility of these elements with provisions delineated within MIL-STD-2076. 3.2.2.1 Total weight. The maximum total weight of the HTS system, including cables, shall be 4,000 lbs. 3.2.2.2 Size. The HTS station shall conform to the fol- lowing : a. Height: 78-1/2 inches
26、 maximum (exclusiae of mounting hardware and provisions for iioist ing) b. Depth: 38 inches maximum (exclusive of work surface and patch panel) C. Width(overal1): Shall be 96-1/4 inches maximum 3.2.2.3 Work surface. A nonconductive work surface area of not less than four (4) square feet extending fr
27、om the front of the station shall be provided. The work surface shall be , approximately 36 inches above the floor and shall be capable of supporting 200 pounds at its outer edge. 3.2.2.4 Modularity. The HTS shall be a fully integrated and operational system comprised 0.f modular ATE hardware elemen
28、ts for ease in implementing station modification or reconf iguration requirements. The modular design of the system shall be such that interchanging of modular system elements with functionally equivalent units will not modify or degrade system performance. -5- P Provided by IHSNot for ResaleNo repr
29、oduction or networking permitted without license from IHS-,-,-MIL-H-85330A( AS) 3.2.2.5 Tfme totaltzi.ng meter. A Time Totalizing Meter dis- playing total system operating time shall be provided. Its loca- tion shall be such that it may be easily read without need for cover removal from the equipmen
30、t. The tme totalizing meter shall be compatible with the requirements of MIL-M-7793. 3.2.2.6 Cables and Connectors. The system shall employ * subassemblies, cables, interconnected harnesses and connectors of uniform design and physical dimensions, Connector locations shall be such that the connectin
31、g cables will not interfere with the operating controls. Constraints in meeting their requirements by the use of commercial equipment, shall be reported to the contracting officer with alternative recommendations for his deposition and pertinent direction to the contractor. 3.2.2.7 Material mechanic
32、al properties. The allowable mechanical properties of material used in the design of the sys- tem shall be in accordance with best commercial practice. Mechanical properties of materials used in design shall be ob- tained in accordance with best commercial pratices. In all cases, the most conservati
33、ve (minimum) values of material strength parameters shall be assumed for use in the design process. 3.2.2.8 Design stresses. The system shall be of adequate strength to withstand, without damage, stresses incident to moving, handling in transit, hoisting, and tie down aboard transporting vehicles. 3
34、.2.2.9 Growth. The system shall include space and pro- visions for a .-crease in contained equipment without .exceeding the size limitations cited herein. Connectors shall contain sufficient spare pins to achieve this growth. 3.2.3 Computer interface. The interface between peri- pherals, stimulus; m
35、easurement, and switching units and the station computer shall meet the requirements of IEEE STD-488-1978 (subject to commercial availability and cqnflicting requirements for high speed data transmission). 3.2.4 Reliability. The contractor shall conduct a re- liability program compatible with the re
36、quirements of MIL-STD- 847 and generate the reports and data listed in 6.2.2. 3.2.4.1 Useful life. The useful life of the system shall not be less than ten (10) years under any combination of operating life and storage life without exceeding the operational service life. -6- P Provided by IHSNot for
37、 ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-H-5330A 66 W 7777706 OL+5LL7 S 9 3.2.4.2 Operating Life. The system shall be designed to have a minimum total operating life of 50,000 hours with reasonable servicing and replacement of parts. Parts requiring scheduled r
38、eplacement due to wearduringthe life of the equipment and wearout life of such parts shall be determined by the contractor and their replacement shall be documented in maintenance publica- tions used in conjunction with the system. 3.2.4.3 Storage life. The system shall have a storage life of up to
39、30 months under the environmental operating conditions contained herein or under conditions specified in MIL-STD-210, when packaged in accordance with MIL-STD-794 Leve1.A. being withdrawn from storage and placed in service, the system shall meet the requirements invoked herein for no less than the t
40、otal specified operating life. Upon 3.2.4.4 Reliability in mean time between failures (MTBF), The system MTBF shall not be less than 500 hours. 3.2.5 Maintenance times. The system shall have a Mean Time to Repair (MTTR) of 0.5 hours or less where MTTR is the mean value of elapsed unscheduled mainten
41、ance times to detect, troubleshoot, and repair system malfunctions. The maximum time for any discrete repair at the 95 percentile shall be 1.5 hours. 3.2.6 Electromagnetic interface. The system shall operate satisfactorily in a maintenance shop environment, and shall not degrade nor be degraded by e
42、quipment located three (3) feet or greater from the tester and meeting MIL-STD-461. 3.2.7 System maintenance. .A maintainability program com- patible with MIL-STD-470 shall be utilized. The system shall be designed in accordance with the following maintenance require- ments. In addition, a maintaina
43、bility demonstration in accordance with MIL-STD-471 shall be performed. 3.2.7.1 Access. The system shall be constructed such that all maintenance can be accomplished from the front of the test station. 3.2.7.2 Extended operation of electronic assemblies (Drawers). The system shall be capable of oper
44、ation with any or all of the electronic drawers (major assemblies) in the extended position, to facilitate maintenance. The use of auxiliary drawer extenders shall not be required to achieve this capability. -7- Provided by IHSNot for ResaleNo reproduction or networking permitted without license fro
45、m IHS-,-,-MIL-H-S5330A(AS) 3.2.7.3 Scheduled maintenance requirements. Except for the cleaning or replacement of air filters, and periodic maintenance of the disc drive(s), the system shall not require scheduled maintenance Calibration of instruments and power supplies included in test station shall
46、 not be considered periodic maintenance. 3.2.7.4 Self-test and self-test documentation. The HTS shall be designed in a manner that facilitates rapid and effective self-test. In addition, the contractor shall prepare docu- mentation for built-in-test, system confidence test, system self-test, system
47、self-test adapter test programand the procedure required in c.5. below. Self-test features to be included in .the HTS design include the following: a. Built-in-Test . Built-in-Test (BIT) features of the HTS will, at a minimum, include: (1) Computer Self-check (2) Memory Checks (sum checks) (3) Data
48、Transfer Checks (parity) (4) Power Checks (5) Safety Checks (6) Heat Monitor Checks Failure of a BIT test shall be automatically indicated to the operator in a manner that will allow him to recognize the source and nature of the failure. test shall be designed to test all basic system functionsat se
49、lected ranges and scales. designed to execute iil ten (10) minutes or less. b. System confidence test. The system confidence The system confidence test shall be c. System self-test. The HTS shall be designed in a manner that facilitates the performance of a comprehensive self-test. designed such that all ranges and functions of each test station instrument, as well as all system switch paths are exercised under program
