1、MIL-C-5OLb 58 9777706 01733b1l -. MIL-C-85016 (AS) 4 May 1977 MILITARY SPECIFICATION COMPUTER SET, TACTICAL AN/ASN-BIB (v) nis specification has been approved by the Naval Air Systems Command, Department of the Navy. 1. SCOPE 1.1 Scope. This specification covers the production phase requirements for
2、 a digital computer designated as Computer Set, Tactical AN/ASN-gl(V). 1.2 Classification. The equipment covered by this specification AN/ASN-glB(V) Computer Set, shall consist of the following: Type Designation Applicable Paragraph Name CP-l208A(P) /ASN-91A (V) C-7830A/ASN-91(V) C-7831A/ASN-91(V) M
3、T- 4 O 7 8 /ASN- 91 (V ) 3.5.1 Computer, Tactical l-/ 3.5.2 Control, Red Lights 2/ 3.5.2 Control, White Lights L/ . 3.5.3 Base Shock Mount, Electrical Equipment - i/ Herein referred to as the Computer . - 2/ Herein referred to as the Navigational Weapon Delivery Panel (NWDP) :Each Computer Set inclu
4、des one type NWDP, or the other, not both. 1.3 Associated equipment. This equipment shall be capable of operating with the associated equipment listed in 6.7. 2, APPLICABLE DOCUMENTS. 2.1 Government documents. The following documents of the exact issue shown form a part of this specification to the
5、extent specified herein. In the event of conflict between the documents referenced herein and the contents of this specification, the contents of this specification shall have precedence. r 1 Comments or recommendations which may be of use in improving this document may be sent to the preparing acti
6、vity when a Self-Addressed Standardization Document Improvement Proposal (DD Form 1426) appears at the end of this document, or by letter addressed to the cognizant activity . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-85016 (AS) SPECIFICA
7、TIONS Military MIL-P-116F MIL-W-5088B MIL-E-5400F, Notice 1 MIL-T-5422E MIL-M-7793C) Notice 1 MIL-I-8500B MIL-D-8706 MIL-E-17555 MIL-T-18303A MIL-N- 18307.C (ASG)-3 MIL-C-26482C(NAVY)-l MIL-C-265 18 Supplement I MIL-li-46855 MIL-D-i000 STANDARDS MIL-STD-130B MIL-STD-198 MIL-STD-i99 MIL-STD-210A MIL-
8、STD-461A) Notice 3 MIL-STD-462 MIL-STD-681 MIL-STD-701 MIL-STD-704A MIL-STD-756 MIL-STD-781B MIL-STD-794 MIL-STD-882 MIL-STD-1472A MS-17322B Preservation - Packaging, Methods of Wiring, Aircraft, Installation of Electronic Equipment, Aircraft, General Specification for Testing, Environmental Aircraf
9、t Electronic Equipment Meter, Time Totalizing Interchangeability and Replaceability of Component Parts for Aircraft, Installation of Data and Test Engineering, Contract Requirements for Aircraft Weapons Systems Electronic and Electrical Equipment and Associated Repair Parts, Preparation for Delivery
10、 of Test Procedures; Preproduction and Acceptance, for Aircraft Electronic Equipment, Format for Nomenclature and Identification for Electronic, Aeronautical and Aeronautical Support Equipment Connectors, Electric, Circular, Miniature, Quick Disconnect Connectors, Electrical, Migiature, Rack and Pan
11、el, Environment Resisting, 200 C Ambient Temperature Human Engineering Requirements for Military Systems, Equipment and Facilities Drawings, Engineering and Associated Lists Identification Marking of U.S. Military Property Capacitors, Selection and Use of Resistors, Selection and Use of Climate Extr
12、emes for Military Equipment- Electromagnetic Interference characteristics, Requirements for Equipment Electromagnetic, Interference Characteristics, Measurement of Identification Coding and Application of Hook Up and Lead Wire List of Standard Semiconductor Devices Electric Power, Aircraft, Characte
13、ristics and Utilization of Reliability Evaluation from Demonstration Data Reliability Tests Exponential Distributioq Part and Equipment, Procedure for Packing and Packaging System Safety Program for Systems and Associated Subsystem and Equipment, Requirements for Human Engineering Design Criteria fo
14、r Military Systems Equipment and Facilities Meter, Time Totalizing, 115 Volt, 400 Cycle 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-VIL-C-8501b 58 m 777770b OL733bb L m MIL-C-85016 (AS) PUBLICATIONS ANA(M1L) Bulletin-400 Airborne Electronic and
15、 Associated Equipment, Applicable Documents. 2.2 Nongovernment documents. The following documents of the exact issue shown shall form a part of the specification to the extent specified herein. In the event of conflict between the documents referenced herein and the contents of this specification, t
16、he contents of this specification shall have precedence. SPECIFICATIONS IBM 6009704 6009484 6850012 6870210 6870299 6877508 Microcircuits, Monolithic and Hybrid, Procurement for Printed Wiring Boards, Plated through Hole, Specification for Multilayer Interconnection Board (MIB), Requirements for Pla
17、te, Red Lighting Panel, Requirements for Plate, Red Lighting Panel, Requirements for Computer, TCPA, Nav-Weapon Delivery, Signal Interface for A7 D/E Airplane. DRAWINGS IBM 6877502 6877727 Installation Drawing, NWDP, Modified Digital Computer (TC-2A) Installation Drawing OTHER PUBLICATIONS . IBM Pro
18、cedures 76-329-2408 TC-PA Bum In Procedure 76-329-2409 TC-2A Pre-Burn In Procedure 76-329-2410 76-329-2413 Volume II TC-PA TAAF Test Procedure 76-329-2440 TC-PA Navigation/Weapon Delivery Computer Acceptance Test Procedure TC-SA Factory Acceptance Test Procedure 2.3 Availability e documents. When re
19、questing specifications, standards, drawings. and publications, refer to both title and number. Copies of -, this specification and applicable specifications required by contractors in connection with specific procurement functions may be obtained upon application to the following locations. GOVERNM
20、ENT DOCUMENTS Commanding Officer, Naval Supply Dept, Code 105, 5801 Tabor Avenue, Philadelphia, Pennsylvania 19120 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-L MIL-C-503b 58 H 7779706 0373367 3 MIL- C-850616 (AS) IBM DOCUMENTS International Bu
21、siness Machines, Electronic Systems Center, Owego, New York 13827 3. REQUIREMENTS 3.1 Preproduction. This specification makes provision for preproduction testing (Environmental Qualification) and reliability growth testing (TAAF). 3.2 Parts and materials. consideration in the design of the Computer
22、Set. The following objectives shall be given prime a. Microelectronic integrated circuits (MIC) shall be used as a prime functional element of the equipment. does not permit the use of MIC, the design shall be the latest conven- tional solid-state form that will lend itself to replacement of MIC uni
23、ts on a circuit, card, or module basis, when available. shall be designed to use a minimum of different parts, subassemblies, cards, and modules. In circuits where state-of-the-art Circuits b. The inputloutput section shall use the solid-state circuits defined in IBM Specification 6877508. Circuits
24、with improved performance char- acteristics, including compatibility with the equipment listed in para- graph 6.6, may be used when approved by the cognizant Navy office. Mo electromechanical conversion devices shall be utilized, except for the 28 volt DC discrete outputs and the series relay in the
25、 Synchro outputs to the Horizontal Situation Indicator (HSI). The coils on electromagnetic components when used shall be suppressed or isolated from the aircraft interface. The wiring associated with each inputfoutput circuit shall be sized so each wire will be protected by the aircraft circuit brea
26、kers ,or the component(s) in the Computer Set circuits, e.g., when the output from a relay contact which is connected to +28VDC is shorted to ground, the wiring in the Computer Set shall not fail. c. Other parts and materials requirements shall conform to MIL-E-5400. d. Nonrepairable subassemblies,
27、as outlined in MIL-E-5400, shall only be used when practicable. The general size of the subassembly and the amount of circuitry to be included shall be approved by the cognizant Navy office. Nonrepairable subassemblies must be reliable (See 6.7). 3.2.1 Parts-Material selection (new designs). Parts s
28、hall be selected using the following, in order of precedence: 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-C-85036 58 = 9799906 0373368 5 M MIL- C85016 (AS) a. ANA Bulletin 400 (i) MILSTD-701, 198 and 199 (2) Other military specifications b
29、. Parts common with ASN-91(V) Computer Set c. Parts used on other current-avionics and missile programs (i.e., F-15, F-14, F-111, EA-6B, A7, A6, Harpoon Missile, etc.). d. New Nonstandard Parts. The Contractor recognizes the benefits to be derived by an aggressive part standardization program and wi
30、ll use the ASN-Sl(V) Computer Set . parts list extensively during the selection process. JAN TX and ER specifications will be utilized wherever possible and integrated circuits shall be screened to IBM Specification 6009404 as on the ASN-91(V) Computer Set. 3.2.2 Nonstandard part approval. Nonstanda
31、rd parts approved on current avionics and missile programs (F-14, F-15, A7, F-111, A6, EA-6B, Harpoon, etc.) are considered approved for use on this computer without further action. These parts are currently in or will be added to government inventory. 3.3 Design and Construction. the applicable req
32、uirements of MIL-E-5400 for design, construction, and workmanship except as otherwise specified herein. 3.3.1 Total weight. The total weight of the Computer Set, excluding external cables, shall be a minimum and shall not exceed 89.4 pounds with 64K words of storage. The Computer Set shall conform w
33、ith all ” 3.3.2 Reliability. 3.3.2.1 Operational stability. The Computer Set shall operate with satisfactory performance, continuously or intermittently, for a period of at least 500 operational hours or 6 months, whichever occurs first, without the necessity for readjustment of any controls which a
34、re inacces- sible to the operator during normal use. 3.3.2.2 Operating life. operating life of 4000 hours with reasonable servicing and replacement of parts. Parts requiring scheduled replacement shall be specified by the Contractor and subject to approval by the procuring activity. The Computer Set
35、 shall have a minimum total 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-c-85016(AS) 3.3.2.3 Storage life. The Computer Set shall meet the performance and service life requirements of the specification after five years storage under world-wi
36、de climate conditions specified in MIL-STD-210 when packaged in accordance with MIL-STD-794, Level A and MIL-P-116, Method IIA. 3.3.2.4 Reliability in mean time between failure (MTBF). The Computer, with 32K 16-bit memorv. shall have a MTBF of 750 hours (1100 hours with 200 hours burn in) andthe NWD
37、P shall have a MTBF of 9000 hours (with 200 hours burn in) when operating in the following operational profile and after being tested and accepted as outlined under the requirements of 4.4 flight hours per month, 2 ground operational hours per flight hour and 495 off hours permonth. after exposure t
38、o the specified storage conditions and shall not be degraded below the required level as a result of acceptable field usage and maintenance. the above MTBF shall be obtained from the IBM Failure Rate Data Bank. In cases where neither observed data nor reasonable predicted rates are available, failur
39、e rates shall be synthesized, based upon a summation of the failure rates of component part elements. The MTBF is based on an operational profile consisting of 75 The MTBF value as specified shall be attainable The component part failure rates used in determining 3.5.2.5 Reliability growth through T
40、AAF test. TAAF Reliability Growth Tests shall be performed in accordance with an approved TAAF Reliability Growth Phase Test Plan prepared in accordance with MIL-D-8706 and IBM Test Procedure 76-329-2413 prepared using MIL-STD-781 as a guide. test requirements shall be in accordance with 4.5. TAAF 3
41、.3.2.5.1 Reliability preduction analyses. An analytical reliabl- I. itv prediction shall be prepared and submitted which will provide a qui mode, the Computer will nit be required to perform In self-test mode, the Computer shall be capable 3.3.7.5.2 In-Flight self-test. The Computer shall be capable
42、 of being programed to perform periodically, without interrupt of other functions, monitoring and test routines automatically during normal computer opera- tions. Maximum practical fault detection shall be provided. The Computer shall continue to operate and process incoming data when a failure is d
43、etected which does not affect program operation. resume normal operation and provide outputs upon clearance of the failure. It shall automatically 3.3.7.5.3 BITE features supporting self-test. Software controlled BITE features shall be provided in the hardware to allow testing and control 10 .- . I
44、. .- - : . . O00 10,000 20,000 35,000 45,000 ?e 1 14.696 12.228 10.916 10.106 8.294 6.753 6.075 5.454 4.364 3.458 2.720 2.139 1.682 45 42 40 39 36 32 32 30 18 O - 14 - 13 - 12 32 32 32 32 32 32 32 30 18 O -14 - 13 -12 1.15 1.05 0.99 1.12 1.23 1.24 1.24 1.20 1.10 1.04 0.98 0.92 0.87 3.3.10.2.1 Ground
45、 operation. Ground operation of the Computer without con- ditioned cooling air should not egceed 30 minute intervals when inlet air temperatures are in excess of 131 F. Exceptions to these conditions will degrade the MTBF of the unit. 12 Provided by IHSNot for ResaleNo reproduction or networking per
46、mitted without license from IHS-,-,-MIL-C-8501b 58 m 7799706 0373376 L1 MIL-C-85016 (AS) 3.3.10.2.2 Thermal overload protection. The Computer shall shut down automatically (by opening the 28 VDC circuit to the external power contactor) to prevent damage due to internal temperature excursions beyond
47、safe operating limits. when temperature conditions return to safe operating level. The Computer shall-resume normal operation 3.3.10.3 Altitude. to a maximum of 50,000 feet. The Computer Set shall be capable of operating up 3.3.10.4 Shock. NWDP shock requirements shall be as follows: Peak Accelerati
48、on Time to Peak Acceleration 0.0025 sec 0.00125 sec 0.00083 sec 0.000675 sec 0.0005 sec 0.0004 sec These shock requirements do not supersede the requirements in MIL-E-5400 but are additional requirements. 3.3.11 Warm-up time. prior to operations shall be kept to a minimum and shall not exceed 5 minu
49、tes under the aircraft installed environment as specified herein, The time required for the Computer to warm up 3.3.12 Input power requirements. The Computer Set shall meet all applicable requirements of MIL-STD-704 for category B equipment and shall provide specified performance from power sources with characteristics as defined in MIL-STD-704. input power will be mounted in the aircraft with control signals through the NWDP and through the Computer. The ef
