1、MIL-S-4b5 13 7779706 0323274 W F MIL -S -4 86 8 5-AR) 4 February 1987 - Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improv- ing this document should be addressed to: Commander, US. Army Armament, Munitions and Chemical Command, Attn: AMSM
2、C-QA, Dover, New Jersey 07801-5001 by using the self-addressed Standardization Document Improve- ment Proposal (DD Form 1426) appearing at the end of this document or by letter. - MILITARY SPECIFICATION SAFETY AND ARMING DEVICE, GUIDED MISSILE: M143E1 ELECTRICAL PARTS AND ASSEMBLIES FOR This Specifi
3、cation is approved for use within the U.S. Army Armament Munitions and- Chemical Command, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification establishes the performance, tests, manufacture and acceptance requirements for Elec
4、trical Parts, Fire Board Assemblies and Logic Board Assemblies and Electrical Assemblies (see 6.1) . 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. The following specifications and standards form a part of this specification to the extent specified herein. Unle
5、ss otherwise specified, the issues of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation. SPECIF I CAT IONS MILITARY MIL-T-2 7 - Transformer and Inductor, General MIL -S -19
6、5 0 0 - Semiconductor Devices, General MIL-C-39006/22 - Capacitors, Fixed, Electrolytic Specification for Specification for (Nonsolid Electrolyte) , Tantalum, (Polarized, Sintered Slug) , 85OC (Voltage Derated to 125OC) , Established Reliability, Style CLR79 AMSC N/A FSC 1336 DISTRIBUTION STATEMENT
7、A. Approved for public release; distribution is un1 mited, O THIS DOCUMENT CONTAINS 59 PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-48078 - Ammunition, Standard Quality Assurance MIL -S -4 86 87 - STANDARDS MILITARY MIL -S TD-10 5 - M
8、IL-STD-202 - MIL-STD-750 - MIL-STD-1285 - MIL-STD-1460 - Provisions; General Specification for Safety and Arming Device, GM: M143E1 Loading, Assembling and Packing For Sampling Procedures and Tables for I nspec t ion by At t r i but es Test Methods for Electronic and Electrical Component Parts Test
9、Methods for Semiconductor Devices Marking of Electrical and Electronic Parts Soldering of Electrical Connections and Printed Wiring Assemblies, Procedures For 2.1.2 Other Government documents, drawinqs, and publications. The following other Government documents, drawings, and publications form a par
10、t of this specification to the extent specified herein. Unless otherwise specified, the issues shall be those in effect on the date of the solicitation. DRAWINGS US ARMY ARMAMENT RESEARCH, DEVELOPMENT AND ENGINEERING CENTER (ARDEC) 12 63082 9 - Fire Board Assembly 12 630 845 12 63 O84 9 - Connector
11、Cable Assembly 12630 828 - Electronics Assembly - Logic Circuit Board Assembly (Copies of specifications, standards, handbooks, drawings, and publications required by manufacturers in connection with specific acquisition functions should be obtained from the contracting activity or as directed by th
12、e contracting officer.) the text of this specification and the references cited herein (except for associated detail specifications, specification sheets or MS standards), the text of this specification shall take precedence. Nothing in this specification, however, shall supersede applicable laws an
13、d regulations unless a specific exemption has been obtained. 2.1.3 Order of precedence. In the event of a conflict between 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-48685 (AR) 3. REQUIREMENTS 3.1 Material. Materials, and parts component
14、s shall be in accordance with applicable drawings and specifications. 3.2 Assemblies. The complete assemblies shall comply with all requirements specified on Drawings (-Dwg.) 12630829, 12630845, 12630828 and 12630849 and associated drawings and with all requirements specified in the applicable speci
15、fications and standards. 3.2.1 Measurements (electronic). All measurements required in this specification shall. be taken with a measurement device that has as input impedance equal to or greater than 10 megohms and an open circuit potential no greater than 10.OVDC. 3.3 Fire board assembly (Dwq. 126
16、30829). 3.3.1 Continuity. The electrical resistance between the following printed board terminals shall be no greater than 1.0 ohms: a. Ell to E15 b. E12 to E14 c. E13 to E16 3.3.2 Resistance. The electrical resistance between the ground terminal El (except k) to the terminals below shall be as spec
17、ified in Table I. TABLE I - Resistance a. be C. d. e. f. 4- h. i. k. 3. I DE NT IF I CATI ON Fire Signal Input Detonator Input Destruct Input Fire TM Input Power Input ITL Command ITL Command Return ITL TM ITL Monitor ITL Monitor Res i stor, Diode TERM1 NAL E2 E5 E6 E7 E8 E9 El O Ell . E12 El 3 (+)E
18、3 to (-)E4 REQUIREMENT (OHMS) 46 to 68 1.6 MEG to 2.4 MEG 1.6 MEG to 2.4 MEG Greater than 20 MEG 8.4K to 12.6K Greater than 20 MEG Greater than 20 MEG Greater than 20 MEG Greater than 20 MEG Greater than 20 MEG 2.4K to 19 MEG 3.3.3 Fire circuit characteristics. 3.3.3.1 Fire circuit charqinq. The fir
19、e circuit capacitor voltage shall be 7O.OVDC minimum (min.) at (+) E4 to (-) El at a maximum (max.) of 2.50 seconds after 21.5 - 0.5VDC is applied to (+)E8 to (-)El. The initial voltage on (+)E4 to (-)El shall be less than 2.5VDC prior to start of test. 3 Provided by IHSNot for ResaleNo reproduction
20、 or networking permitted without license from IHS-,-,- -1 NIL-S-Ll8685 13-I 7977706 0323277 3 W MIL-S-48685 (AR) 3.3.3.2 Fire circuit capacitor voltaqe storaqe. The fire circuit capacitor voltage shall remain 70.0VDC min. at (+)E4 to (-)El six (6) seconds min. after the 21.5 - 0.5VDC charging voltag
21、e is removed from (+)E8 to (-)El. 3.3.3.3 No charqinq. With a 100 5 lo%, 1/4 watt min. resistor connected between E5 and El, the fire circuit capacitor voltage (+)E4 to (-)El shall be no greater than 15VDC after applying an 18 - + 2.0V pulse with a duration of 500 5 100msec at (+)E2 to (-)El. Within
22、 100 + l0msec of the application of the 18 5 2.0V pulse apply 28 - + 2.8VDC at (+)E8 to (-)El for a period not to exceed 10 - 5 sec. 3.3.3.4 Fire circuit stabilized voltage. The fire circuit capacitor voltage shall be between 70.0VDC min. to 105.0VDC max. at (+)E4 to (-)El after a min. of 10 seconds
23、 charging with 21.5 - 0.5VDC applied at (+)E8 to (-)El. 3.3.4 Fire circuit function. With a 100 ohms 5 lo%, 1/4 watt min. resistor connected between E5 and El, the fire circuit is defined as having functioned when the fire circuit capacitor voltage (+)E4 to (-)El has discharged from 70.0VDC min. to
24、less than 15.OVDC in no greater than 400msec after a fuze fire signal or logic destruct signal is applied. 3.3.4.1 Loqic destruct. The fire circuit shall function when 1.0 5 0.2VDC is applied at (+)E6 to (-)El for 100 2 20msec. when a 5.0 4 0.25V pulse with a duration of 200 4 10 microseconds with a
25、 rise time no greater than one (1) microsecond is applied at +)E2 to (-)El. 3.3.4.2 No fire siqnal A. The fire circuit shall not function 3.3.4.3 No fire siqnal B. The fire circuit shall not function when a 10.0 4 0.5V pulse with a duration of 2.0 + 0.5 microseconds with a rise time no greater than
26、one (1) microsecond is applied at (+)E2 to (-)El. 3.3.4.4 No fire siqnal C. The fire circuit shall not function when a 30.0 f. i.5V pulse with a duration of 0.45 0.05 microseconds with a rise time no greater than 0.08 microseconds is applied at (+)E2 to (-)El. 3.3.4.5 Fuze fire siqnal. The fire circ
27、uit shall1 function when a fuze fire signal pulse of 18.0 - 2.0V with a duration of 90 - 10 microseconds with a rise time no greater than 20 microseconds is applied at (+)E2 to (-)El. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-48b85 13 M
28、 7779706 0323278 5 M MIL-S-48685 (AR) 3.4 Loqic circuit board assembly (Dwq. 126308451. Prior to start and for duration of testing, the following load and biasing resistors shall be added externally to the logic circuit board under test. PIN (+) TO (-1 E26 - E3 E25 - E3 - E23 - E3 E22 - E3 El - E3 E
29、2 - E3 E6 - E3 E24 - E3 RESISTOR VALUE ( OHMS) 1OOK 1OOK IK 1K (2 watt min.) 4 7K 4 7K 4 7K 1K Unless otherwise specified, all resistor are 1/4 watt min., - + 10%. 3.4.1 Continuity and resistance. The electrical resistance shall be as specified in Table II. TABLE II - Continuity and resistance TERMJ
30、NAL - ( +) E4 E3 E29 E3 E30 E3 E31 E15 E20 E21 E28 E3 E27 E12 E27 E13 E12 E13 REQUIREMENTS (OHMS) 1.0 max. 90 to 110 90 to 110 90 to 110 Less than 19 MEG 80K to 120K 120K to 240K 12OK to 240K 120K to 240K TERMINAL (+) - E13 E12 E19 E3 E18 E3 E15 E3 E12 E3 E13 E3 E16 E32 E17 E33 E21 E20 E5 E3 REQUIRE
31、MENTS (OHMS) 120K to 240K 0.9 to 1.1 MEG 0.9 to 1.1 MEG 0.9 to 1.1 MEG 88K to 132K 88K to 132K 0.99 to 1.01 MEG 0.99 to 1.01 MEG Greater than 20 MEG Greater than 20 MEG 3.4.2 Charqe command test. 3.4.2.1 TM monitors. With 100 + 5.0VDC applied at right Convertor input (+)E25 to (-)E3 and followed by
32、31.0 - O.5VDC applied at Charge Command input (+)E2 to (-)E3, after O.5sec min, the voltage between the indicated terminals to (-)E3 shall be as specified in Table III. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- - MIL-S-4b85 13 m 777770b 0323
33、277 7 m MIL 4-4 86 85 (AR) TABLE III - TM monitors I DE NT IF I CAT I ON TERMINAL (+) REUIREMENT (volts) a. Power/Destruct El -0.5 to +0.5 b. 5VDC Test E6 -0.5 to +0.5 c. ITL TM E8 3.5 to 5.5 d. Fire TM E9 -0.5 to +0.5 e. Arm TM El O 3.5 to 5.5 f. Rotor Monitor, Right El 2 3.5 to 5.5 g. Rotor Monito
34、r, Left El 3 3.5 to 5.5 h. 5VDC (Regulator) Monitor El 4 3.5 to 5.5 i. Power Output (Diode Drop) E22 28.5 to 31.0 j. Convertor Input, Left E2 6 -0.5 to +0.5 k. ITL Unlock E2 7 3.5 to 5.5 1. 5VDC C1 (+I 3.5 to 5.5 I m. 5VDC C2(+) 3.5 to 5.5 3.4.2.2 Fire TM. With the voltages applied as specified in 3
35、.4.2.1, the Fire TM voltage at (+)E9 to (-)E3 shall be 4.5 5 1.OVDC when 5.0 2 0.5VDC is applied at (+)E28 to (-)E3. 3.4.2.3 Arm TM. With the voltages applied as specified in 3.4.2.1, the Arm TM voltage at (+)El0 to (-)E3 shall be O 2 O.5VDC when E12 is connected to E3, With E12 removed from E3 and
36、E13 connected to E3, the Arm TM shall be O 2 O.5VDC. 3.4.2.4 ITL TM. With the voltages applied as specified in 3.4.2.1, the ITL TM voltage at (+)E8 to (-)E3 shall be O t 0.5VDC when a 100 ohm 2 10 percent resistor is connected between E27 and E3 ground. Remove the 100 ohm resistor at completion of m
37、easurement. 3.4.2.5 Convertor TM. Apply the Charge Command voltage and remove the right convertor voltage as specified in 3.4.2.1. After O. 5sec min. the voltage at (+) Ell to (-)E3 shall be O f. O. 5VDC and the Destruct Voltage (+)E23 right and (+)E24 left to (-)E3 shall be 1.5VDC min. 3.4.2.6 Dest
38、ruct pulse. 3.4.2.6.1 Power up. The voltage on both 68 microfarad capacitors shall be less than O.5VDC prior to the start of this test. After the voltage is applied as specified in 3.4.2.1, the destruct pulse at (+)E23 right and (+)E24 left to (-)E3 shall change from O O.5VDC to 1.3VDC min. in less
39、than 50msec. The duration of the Destruct pulse shall be not less than 2 msec and not greater than 200msec. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-Yb5 23 m 777770b 0323300 T m a. b. d. e. f. g. h. i. k. 1. m. C. je to MIL-S-48685 (AR
40、) 3.4.2.6.2 Convertor input removed. With the voltage applied as specified in 3.4.2.1, for O.5sec min., the Destruct pulse at (+)E23 right and (+)E24 left to (-)E3 shall be 1,5VDC min. in not less than l0msec and not greater than 50msec after the right convertor voltage is removed. 3.4.2.7 Capacitor
41、 storaqe, Apply 5.0 + 1.OVDC at 5VDC Test (t) E6 to (-) E3, 100 t 5.VDC at converter input (+) E25 to (-) E3, and 31 - 0.5VDC at Charge Command (+) E2 to (-)E3 and Logic Board Power output (+)E22 to (-)E3. These voltages shall be applied for not less than two (2) seconds prior to this test. Remove t
42、he voltage at (+)E2 to (-)E3 and after a 10 5 1 second interval remove the voltages at .(+) E6 to (-)E3 and (+) E22 to (-)E3. The output (Destruct Pulse) at (+)E2-3, Right and (tlE24, Left to (-)E3 shall be 1.OVDC min. for 50 milliseconds min. upon removal of voltage at (+)E6 to (-)E3. 3.4.3 Power/d
43、estruct tests. 3.4.3.1 TM monitors. With 100 + 5.0VDC applied to Left Convertor (+)E26 to (-)E3 and 23.0 + O.5VDC applied to Power/ Destruct (+)El to (-) E3, the voltage across the terminals to (-)E3 shall be as specified in Table IV. TABLE IV - TM monitors I DE NT IF I CAT I ON Charge Command 5VDC
44、Test ITL TM Fire TM Arm TM Rotor Monitor , Right Rotor Monitor, Left 5VDC (Regulator) Monitor Power Output (Diode Drop) Converter Input, Right ITL TM 5VDC 5VDC TERMINAL REQUIREMENT ( +) (volts) E2 E6 E8 E9 El O El 2 El 3 El 4 E22 E2 5 E2 7 Cl +I C2(+) -0.5 to +0.5 -0.5 to +0.5 3.5 to 5.5 -0.5 to +0.
45、5 3.5 to 5.5 3.5 to 5.5 3.5 to 5.5 3.5 to 5.5 21.0 to 22.5 -0.5 to +0.5 3.5 to 5.5 3.5 to 5.5 3.5 to 5.5 3.4.3.2 Power TM threshold. with 28 2 3VDC initially applied Power/Destruct (+)El to (-)E3 and the left convertor voltase applied as specifiedin 3.4.3;1, the Power TM voltage at (+)E5 to (-)E3 sh
46、all be 4.5 tl.OVDC, when the Power/Destruct input applied at .(+)El to (-)E3 is equal to or greater than 25.0-VDC. The Power TM voltage at (+) E7 to (-) E3 shall be O 2 0.5VDC, when the Power/ Destruct input applied to (+)El to (-)E3 is less than 21.0VDC. This transition shall occur at 23.0 2 2.OVDC
47、. 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-S-48b85 13 9 9799906 0323301 I MIL-S-48685 (AR) 3.4.3.3 Destruct pulse threshold. With the voltages initially applied as specified in 3.4.3.1, the Destruct voltage at both terminais (+)E23 righ
48、t and (+)E24 left to (-)E3 shall be-O 5 O. 5VDC when the Power/Destruct input applied at (+) El to (-)E3 is equal to or greater than 20.5VDC. The Destruct voltage at both -(+)E23 right and (+)E24 left to (-)E3 shall be 1.5VDC min. when the Power/Destruct input applied at (+)El to (-)E3 is less than
49、18.5.VDC. This transition shall occur at 19.5 2 1.OVDC. 3.4.3.4 Converter threshold. With the voltages initially applied as specified in 3.4.3.1, the Destruct voltage at both (+)E23 right and (+)E24 left to (-)E3 shall be O f. 0.5VDC and the convertor TM at (+)Ell to (-)E3 shall be 4.5 5 l.0VDC when the left convertor voltage (+)E26 to (-)E3 is greater than 70.0VDC. The destruct voltage at (+)E23 right and (+)E24 left
