1、Y CY- 3 7-u3 MIL-F-qb73 32 777770b 0323335 T m MIL-F-48673 (AR) 12 August 1986 MILITARY SPECIFICATION FIRE CONTROL COMPUTER, FIELD TEST SET (FCC-FTS) This specification is approved for use with the US Army Armament Munitions and Chemical Command, and is available for use by all Departments and Agenc
2、ies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification contains performance and F - environmental requirements, quality assurance provisions, and packaging for delivery for the Field Test Set, Fire Control Computer (FCC-FTS): M141, which shall be used for the functional test and fa
3、ult isolation on the Fire Control Computer Digital: M22 (FCC). The Test Set provides all the interconnecting cables, controls, and displays required to power and testthe M22 FCC. The Test Set includes self-test capability. d 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and
4、standards. Unless otherwise specified, ( the following specifications and standards of the issue listed in that issue of the Department of Defense Index of Specifications and Ctandards (DODISS) specified in the solicitation form a part of this specification to the extent specified herein. SPECIFICAT
5、IONS MILITARY MIL-F-13926 - Fire Control Materials, General Specification Governing the Manufacture and Inspection of Electrical Equipment MIL-T-28800 - Test Equipment for use with Electronic and MIL-M-38510 - Microcircuits, General Specification for r 1 Beneficial comments (recommendations, additio
6、ns, deletions) and any pertinent data which may beof use in improv- ing this document should be addressed to: Commander, U.S. Army Armament, Munitions and Chemical Command, Attn: AMSMC-QA. Dover, New Jersey 07801-5001 by using the self-addressed Standardization Document Improve- ment Proposal (DD Fo
7、rm 1426) appearing at the end of this document or by letter. AMSC N/A FSC 1270 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. THIS DOCUMENT CONTAINS $&; PAGES? Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-F-
8、4b73 12 M 7793706 0323L3b 1 c MIL-F-48673 (AR) . MIL-S-45743 - Soldering, Manual Type, High Reliability Electrical, Electronic for Aerospace and Control Systems, Procedure for MIL-S-46844 - Solder Bath. Soldering and Printed Wiring Assemblies, Automatic Machine Type STANDARDS MILITARY . MIL-STD-454
9、- Standard General Requirements for s, b Electronic Equipment MIL-STD-461 - Electromagnetic Interfekence Characteristics, Requirements for Equipment MIL-STD-781 - Reliability Design Qualification and Production Acceptance Tests MIL-STD-810 - Environmental Test Method for Aerospace and Ground Equipme
10、nt MIL-STD-4 566 2 - Cal ibr at ion System Requirements 2.1.2 Other qovernment documents, drawinqs, and publications. The following other Government documents, drawings, and publications form a part of this specification to the extent specified herein. DRAWINGS US ARMY ARMAMENT RESEARCH, DEVELOPMENT
11、 AND ENGINEERING CENTER ( ARDEC ) 11781400 - Test Set, Fire Control Subsystem: M141 11781435 - W1 Cable Assembly (Test) 117 814 29 - W2 Cable Assembly (Pwr In) 11781401 - W3 Cable Assembly (PCC Pwr) 117 81 4 O 2 - W4 Cable Assembly (FCC I/O) 11781403 - W5 Cable Assembly (W/A) 2.2 Other publications.
12、 The following documents form a part of Unless otherwise this specification to the extent specified herein. specified, the issues of the documents which are DOD adopted shall be those listed in the issue of the DODISS specified in the solicitation. The issues of documents which have not been adopted
13、 shall be those in effect on the date of the cited DODISS. C Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-Yb73 12 777770b 0323137 3 W The Test Set shall provide input/output stimulation via direct interface and wraparound cables (connecting
14、FCC digital and analog outputs to inputs), a 400 Hz reference signal source, and resident diagnostic software. An instruction manual, TM-9-4931-375-13, will also be employed by the operator to achieve fault isolation. The Test Set shall provide the operator with a minimum probability of 95% of detec
15、ting and isolating an FCC Failure to the Shop Replaceable Unit. Self test of the Test Set shall provide validation of all controls, displays, and resident FCC diagnostic software (via check-sum techniques) with a minimum probability of 80%. MIL-F-4 86 73 (AR) AMERICAN SOCIETY POR TESTING AND MATERIA
16、LS (ASTM) ASTM-D3951 - Standard Practice for Commercial Packing TECHNICAL MANUAL TM9-4 931-3 75-13 input voltage at 110% and 90%, respectively during each 1/3 of the total time of heating period plus high temperature period; momentarily OFF between in2ut voltage changes. 5. Equipment OFF. One temper
17、ature cycle shall start with the equipment stabilized 6. frequency between 20-and 60 Hz measured at the mounting ?oints of the equipment. The Vibration shall be at least 10 minutes during each hour of operating time. 7. Transition rate between temperature levels shall average 5OC per minute. Vibrati
18、on -2.29 + 10% peak aceeleration value at any nonresonant r 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-4b73 12 7779706 0323346 4 W MIL-F-48673 (AR) 3.9 Environmental conditions (first article testing only.). The FCC-FTS shall operate an
19、d meet the performance requirements of 3.2.1 under any of the environmental conditions, or a reasonable combination of these conditions, as specified herein. 3 . 1 O T em per at ur e/ a 1 t i t u de . 3.10.1 Altitude. Operating, 0-10,000 feet; nonoperating and storage, 0-10,000 feet. 3.10.2 Temperat
20、ure. Operating, O to +5SoC; nonoperating and 3.10.3 Humidity. Operation while being subjected to MIL-STD-810 storage, -620 to +6SoC. us modified by MIL-T-28800, Method 507.1. 3.10.4 Vibr-ation. The FCC-FTS unit shall not sustain damage or subsequently fail to provide specified performance when subje
21、cted to the vibration environment defined by MIL-STD-810, Method 514.2. 3.10.5 Shock. The FCC-FTS unit shall not sustain damage or subsequently fail to provide spe9,if ied performance when subjected to shock as defined by MIL-STD-810 and MIL-T-28800, Method 516.2. 3.10.6 Handlinq. The FCC-FTS unit s
22、hall not sustain damage or subsequently fail to provide specified performance when subjected to a 4“ drop to a wood surface. 3.10.7 Transit droE. The FCC-FTS unit shall not sustain damage or subsequently fail to prove specified performance when subjected to a drop from 12“ for a total of 26 drops. 3
23、.10.8 Watertiqht requirement. The FCC-FTS shall not sustain damage or subsequently fail to provide specified performance when subjected to water submersion at 1.3 psi for 1 hour. 3.10.9 Salt atmosphere. Operation after being subjected to MIL-STD-810, Method 509.1. Operation of the FCC-FTS shall not
24、be required during testing and failure criteria shall be limited to corrosion of finishes and metals only. Such corrosion shall be defined as visible degradation of the equipment surfaces that can be attributed to flakey, pitted, blistered, or otherwise loosened finish of metal surface. 3.10.10 Funq
25、us. No evidence of viable fungus on any surfaces after being subjected to MIL-STD-810, Method 508.1. 12 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-48673 Il2 7977706 03231147 6 MIL-F-48673 (AR) 3.10.11 Explosive atmosphere. Operation after
26、being subjected to MIL-STD-810, Method 511.1, Procedure I, except test to be limited to a maximum altitude of 20,000 feet. MIL-STD-810, Method 510.1, Procedure I. immediately after stabilization in Step 2, if d,esired. 3.10.12 Sand and dust. Operation after being subjected to Step 3 may proceed 3.10
27、.13 Workmanship. The workmanship shall conform to the 4. QUAL ITY ASS URANCE PROV ICI ON general requirements of MIL-T-28800 and MIL-STD-454. 4.1 Responsibility for inspection. Unless otherwise specified in the contract, the contractor is responsible for the performance of all inspection requirement
28、s as specified herein. otherwise specified in the contract, the contractor may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. inspections cet forth in the specification where such inspections are
29、 deeme necessary to assure supplies conform to prescribed re qu i r eme n ts . c Except as The Government reserves the right to perform any of the 4.1.1 Responsibility for compliance. All items must meet all requirements of sections 3 and 5. specification shall become a part of the contractois overa
30、ll inspection system or quality program. requirements in the specification shall not relieve the contractor of the responsibility of assuring that all products or supplies submitted to the Government for acceptance comply with all requirements of the contract. not authorize submission of known defec
31、tive material, either insicated or actualp nor does it commit the Government to acceptance of defective materi al. The inspection set forth in this The absence of any inspection Sampling in quality conformance does 4.2 Classification of inspections. The inspection requirements specified herein are c
32、lassed as follows: a. First article inspection (see 4.4). b. Quality conformance inspection (see 4.5). 4.3 Inspection conditions. Unless otherwise specified herein, all inspections shall be performed in accordance with the quality assurance provisions of MIL-F-13926. 13 Provided by IHSNot for Resale
33、No reproduction or networking permitted without license from IHS-,-,-MIL-F-48673 12 777770b 0323148 8 M MIL-F-48673 (AR) 4.4 First article. The requirement for first article approval and the designation of responsibility for first article inspection to either the Government or the contractor shall b
34、e specified in the contract. FCC-FTCs selected at random by the Government representative from the first fifteen production FCC-FTSs. 4.4.1 Sample. The first article sample shall be three 4.4.2 Inspection. The sample shall be subjected to all the inspections specified in Table I. TABL;E I. First art
35、icle tests c - I tem Character i sti c Rey i r em en t Test procedure 1 Perf ormance 3.2.1 4.5.1, 4.6, 4.7 2 Soldering 3.3.1.1 MIL-S-4 574 3 or MIL-S-4 86 4 4 3 Electromagnetic 3.4 4.8.1.12, MIL-T-28800, and Radi at ion MIL -S TD-4 61 4 I nt er c han ge a b il i ty 3.5 MIL-T-28800 depress the MODE-S
36、TART switch and observe the following reaoing on the TEST RESULTS display. 010037 Record the results in data sheet. 4.6.7 TEST SELECT and KODE tests. 4.6.7.1 Test 100. Set the TEST SELECT thumbwheel switches to 100 and observe the following reaaing on the TEST RESULTS display: 002100 Note: 102100, a
37、lternately depress the MODE-SINGLE/LOOP and/or STA-RT switched until the display reading is 002100. If the TEST RESULTS display reading is 101106, 001100, or Record the results in data sheet. 4.6.7.2 Test 117. Set the TEST SELECT thumbwheel switches to 117 and observe the following reading on the TE
38、ST RESULTS display. 002117 Record results in data sheet. 4.6.7.3 Test 126. Set the TET SELECT thumbwheel switches to 126 and observe the following reading on the TEST RESULTS display. 002126 Record the results in the data sheet. O 21 Provided by IHSNot for ResaleNo reproduction or networking permitt
39、ed without license from IHS-,-,-MIL-F-48673 (AR) 4.6.7.4 Test 135. Set the TEST SELECT thumbwheel switches to 135 and observe the following reading on the TEST RESULTS display. 002135 Record the results in the data sheet. 4.6.7.5 Test 144. Set the TEST SELECT thumbwheel switches to 144 and observe t
40、he following reading on the TEST RESULTS display. 002144 Record the results in data sheet. 4.6.7.6 Test 153. Set the TEST SELECT thumbwheel switches to 153 and observe the following reading on the TEST RESULTS display. 002153 Record the results in data sheet. 4.6.7.7 Test 162. Set the TEST SELECT th
41、umbwheel switches to 162 and observe the following reading on the TEST RESULTS display. 002162 Record the results in data sheet. 4.6.7.8 Test 171. Set the TEST SELECT thumbwheel switches to 171 and observe the following reading on the TEST RESULTS display. 002171 Record the results in data sheet. 4.
42、6.7.9 SINGLE/LOOP test. Set the TEST SELECT thumbwheel switches to 171 (as in paragraph 4.6.7.8) depress the MODE-SINGLE/LOOP switch; and observe the following reading on the TEST RESULTS display . 101171 Record the results in data sheet. 22 Provided by IHSNot for ResaleNo reproduction or networking
43、 permitted without license from IHS-,-,-MIL-F-48673 (AR) 4.6.7.10 MODE/START test. The following action sequence is predicated upon successful completion of test per paragraph 4.6.7.9 and required utilizing the same TEST SELECT setting as specified herein. a. Depress MODE-START switch, then release
44、it. b. Depress MODE-START switch again and hold depressed while observing the following reading on the test results display, then release it. 105171 Record the results in data sheet. 4.6.8 Operational Test analysis (OTA) 71 test. 4.6.8.1 Test 207. Set the TEST SELECT thumbwheel switches to 207 and o
45、bserve that all MODE indicators are off. Record the results in data sheet 4.6.8.2 Test 200. Set the TEST SELECT thumbwheel switches to 200 and observe the following MODE indications: A START: Extinguished S INGLE : LOOP : Extinguished I llum ina t ed Record the results in data sheet. 4.6.8.3 Test 20
46、1. Set the TEST SELECT thumbwheel switches to 201 and observe the following NODE indications: START: Extinguished SINGLE: Extinguished LOOP : Illuminated Record the results in data sheet. 4.6.8.4 Test 202. Set the TEST SELECT thumbwheel switches to 202 and observe the following MODE indications: STA
47、RT : Illuminated S INGLE : Ex t ingu i shed LOOP : Extingui shed Record the results in data sheet. 23 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-48673 12 W 7779706 0323158 O W MIL -F -4 86 73 (AR) 4.6.8.5 Test 203. Set the TEST SELECT thum
48、bwheel switches to 203 and observe the following reading on the TEST RESULTS display. 101171 Record the results in data sheet. 4.6.8.6 Test 103. Set the TEST SELECT thumbwheel switches to 103 and observe the following reading on the TEST RESULTS display. 131103 Record the results in data sheet. 4.6.
49、9 Operational test analysis (OTA) 72 test. 4.6.9.1 Test 300. Set the TEST SELECT thumbwheel switches to 300. Utilizing a suitable oscilloscope (Set-up as specified below) and connected to the stipulated TEST POINTS, observe the waveforms per Figure 4. Oscilloscope Channel 1 * Test Set TP-B1O DOPP Oscilloscope Trigger Mode AUTO r Oscilloscope Mode Display A Oscilloscope Trigger Source Channel 1 Oscilloscope Coup
