1、MIL-P-L4883 12 9999906 0297923 2 - MILITARY SPECIFICATION POWER SUPPLY: 10559345 (PFN CHARGE) 1. SCOPE 1.1 This specification covers one type of electronic assembly known as Power Supply: 10559345 , (PFN Charge) (see 6 1 ). 2. APPLICABLE DOCUMENTS 2.1 The following documents, of the issue in effect
2、on date of invitation for bids or request for proposal, form a part of this specifi- cation to the extent specified herein. SPECIFICATIONS Military MIL-F-13926 MIL-P-14232 MIL -1-456 07 STANDARDS Military MIL-STD- 105 MIL-STD- i 09 MIL-STD-810 Fire Control Materiel; General Specification Governing t
3、he Manufacture and Inspection of Parts, Equipment and Tools for Army Materiel: Packaging and Packing of Inspection Equipment, Supply and Maintenance of Sampling Procedures and Tables for Inspection by Attributes Quality Assurance Terms and Definitions Environmental Test Methods DRAWINGS U.S. Army, F
4、rankford Arsenal F10559345 PFN Charge - Power Supply FSC 1240. THIS DOCUMENT CONTAINS 17 PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- - 1 - MIL-P-148L 12 9779706 0297924 4 . ITEM CONDITION CHARACTERISTICS CONNECTIONS following. ter mina1 s
5、 : -.- - - Loads : Connected between the Capacitor 160 pf, Il0($0, 2 kV Pl-A-1 and P1-9 Capacitor 22 pf, fl O%, 600V P1- 10 and P1-9 Resistor 3K, f5qo Pl-11 and Pl-16 Resistor 3K, k570 Pl-14 and Pl-16 Resistor 66.5KJ Il% As specified herein _ _ - -_-_-.I_- _I.-+- MIL-P- 14881 (MU) PACKAGING DATA SHE
6、ET 10559345 Packaging of Power Supply - (PFN Charge): 10559345 (Copies of specifications, standards, drawings, and packaging data sheets required by suppliers in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer. )
7、 3. REQUIREMENTS 3.1 Fabrication. - The power supply shall be manufactured in accordance with Drawing F10559345 and drawings pertaining thereto. 3.2 General specification. - The power supply shall meet the following requirements where applicable of MIL-F- 13926: (a) Order of precedence (b) Dimension
8、s and tolerances (c) Part identification and marking 3.2.1 Electronic workmanship. - The power supply shall meet the workmanship requirements of Drawing F10559345 and drawings pertaining thereto. supply shall meet the performance requirements of this specification at standard ambient temperatures be
9、tween 60 degrees Fahrenheit (OF) and 9OOF. 3.3 Performance. - Unless otherwise specified, the power 3.3.1 Loads, power, and signals. - The power supply shall perform as specified herein when the loads, power, and signals of Table I are applied as specified. Provided by IHSNot for ResaleNo reproducti
10、on or networking permitted without license from IHS-,-,-ITEM 1.6 1.7 1.8 2. 2.1 2.2 2.3 3. 3.1 3.2 3.3 MIL-P- 14881 (MU) TABLE I (continued) ZONDITION Res isto r Resistor Resistor Power sources: t5v +15V -6V Signal sour ces : Digital type -A 24 Vdc 8 Vdc JHARACTERISTICS 1 CONNECTIONS rol. Max ripple
11、 (v) (mv, p-p) *a2 25 * .7 25 *2 25 Logical one: 4 i3.V Logical zero: .2 f.2V t17 to +26V, adjustable Tolerance: f.5V Source impedance : 33K, ?i-6 and P1-9 is specified herein is specified herein Zonnected between the following terminals: P1-16(+) and P1-9(-) P1-15(+) and P1-9(-) P1-12(-) and P1-9(+
12、) Applied to input terminals as specified herein 3.3.1.1 Malfunction 6. - With the logical zero type -A signal of Table I applied to P1-4 (Pl-9 return), the output at P1-8 shall be 4.2 fl Vdc. With the load (66.5 kilohms) of Table I connected between P1-5 and P1-15, the output at P1-8 shall be .2 f.
13、2 Vdc. 3.3.1.2 PFN voltage. - With the type-A digital signal of Table I applied to the input terminals as specified below, the perform- ance shall be as specified in the following subparagraphs. Input Terminals Type-A Signal P1-2 Logical zero P1-3 and P1-4 Momentary logical zero 3 . 3.1.2.1 PFN volt
14、age output. - With the 24 Vdc of Table I, adjusted to 24 11 Vdc, applied to Pi-19 and P1-20 with the negative returns to Pl-17 and Pl-18, the PFN output voltage shall appear at P1 -A-l. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-LLlB+lL
15、12 9999906 0297926 m MIL-P- 14881 (MU) 3.3.1.2.2 Dump relay.- With the PFNvoltage at Pl-A-1 set to 1200 f100 Vdc by means of R10, removal of the 24 Vdc from Pl-19 and Pl-20 shall cause the voltage at Pl-A-1 to drop to less than 50 volts within 25 seconds. 3.3. 1.2.3 PFN charge time. - With R10 set a
16、s in 3.3.1.2.2, reapplying the 24 Vdc of Table I to Pi-19 and Pl-20 at a voltage level of 24 fl Vdc and. 18.5 f.5 Vdc shall cause the voltage at Pl-A-1 to increase to 1200 5100 Vdc in less than 5 seconds, and in less than 6 seconds at the temperature extremes of 3.3.2.2. The repeaking cir- cuit shal
17、l maintain the PFN voltage at this steady state value within 15 volts p-p. 3.3.1 .2.4 Repeaking inhibit. - With the 8 -Vdc signal of Table I applied to Pl-7, the repeaking circuit shall be inhibited, thereby disabling the PFN charge circuit. removed from P1-7, and the type-A signal at Pl-2 changed t
18、o logical one, the repeaking circuit shall be inhibited. With the type-A signal at Pl-2 changed to logical zero and the load (66.5 kilohms) of Table I connected between P1-5 and P1-15, the repeaking circuit shall be inhibited, With the 8-Vdc signal 3.3.1.2.5 PFN voltage range adjustment. - The PFN v
19、oltage at Pl-A-1 shall be capable of being set to 1OOOf20 Vdc and 1500 f30 - Vdc by adjustment of R10. 3.3.1.2.6 PFN voltage programming - With the PFN voltage (Pl-A-1) set to 1200 f15 Vdc, changing the load between Pl-6 and Pl-9 from 100 kilohms to 32.4 kilohms shalichange the PFN voltage to 1345 H
20、O Vdc, and to 1345 I95 Vdc at the temperature extremes of 3.3.2.2. Changing this load from 32.4 kilohmsto 3.32 megohms shall change the PFN voltage to 1030 f30 Vdc, and 1030 f71 Vdc at the temperature extremes of 3.3.2.2. 3.3. 1.2. 7 15-Vdc interlock. - Removal of the 15 Vdc from P 1- 15 shall inhib
21、it the PkN charge circuit. 3 3.1.2.8 400-volt output .- With 24 fl Vdc applied to P1- 19 and Pl-20, the output at Pl-10 shall increase to 400 *30 volts, and to 400 I60 volts at the temperature extremes of 3.3.2.2, in less than 6 seconds. 3.3 1.2.9 PFN voltage sensing. - With the PFN voltage at Pl-A-
22、1 set to 1200 i25 volts, the current through a microammeter load between P1-5 and Pl-9 shall be 75 t5 microamperes. - 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P- 14881 (MU) 2 O 1 1 O 1 1 O 3.3,1.3 Fire signal. 7 A B B B B B A 3.3.1.3.1 W
23、ith the signals of Table I applied to the input terminals as specified below (24 Vdc applied last), and with the PFN voltage at Pl-A-1 adjusted to 1200 *ZOO volts, the output at Pl-11 shall be 42 fl volts. INPUT TERMINALS APPLIED SIGNAL P1-2 Logical zero, Type-A P1-3 and P1-4 Pl-19 and Pl-20 24 fl V
24、dc Momentary logical zero Type -A 3.3.1 3.2 With the PFN output voltage present (24 fl Vdc applied) and adjusted to 1200 I200 voltsJ and with the input conditions of Table II applied sequentially, the outputs at P1- 11 shall be as speci- fied in Table II. * TABLE II INPUT I 13 1 1 1 1 1 O 1 1 - -Ns
25、( 3 1 1 1 1 1 1 O - ?P 4 1 1 1 1 1 O 1 - - - OUTPUT Pl-11 - .2 f.2 volt 4.2 fl volts .2 f.2 volt .2 f.2 volt 4.2 fl volts .2 f.2 volt 4.2 fl volts Legend: 1 = logical one, type-A O = logical zero, type-A A = 8 Vdc (per Table I) B = Open circuit 3.3.1.4 Range light. 3.3.1.4.1 With a momentary logical
26、 zero, type-A signal applied to 91 -3, the output at P1- 14 shall be 4.2 I1 Vdc. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P- 14881 (MU) 3.3, 1.4.2 With a logical zero, type-A signal applied to P1-2, a momentary logical zero, type-A signa
27、l applied to Pl-4, and 24 i1 volts applied to Pi-19 and Pl-20, the waveform of figure 1 shall appear at Pl-14 after at least 6 seconds &ve elapsed. r *40 $20 milliseconds (me) - .2 t. 2v *Under the temperature extremes of 3.3.2.2 the pulse width shall be 40 t32 - ms, and the pulse spacing .6*.5 seco
28、nd. Figure 1 - Pl-14 Output 3.3.1.4.3 With a momentary logical zero, type-A signal applied to P1-1, the output at Pl-14 shall be 0.2 f.2 Vdc. . 3,3.1.5 Curreme of power drivez . - With a momentary logical zero type-A signal applied to Pl-3 and Pl-4, and a short circuit between Pl-A-1 and Pi-9, the a
29、verage current of the 24-volt signal when applied to Pi-19 and P1 -20 shall be less than 4 amperes. (Caution: The capacitor load between P1 -A-1 and P1-9 shall have been discharged before short circuit is applied. The short circuit condition shall be limited to 5 seconds. 1 3.3 2 Environmental. 3.3.
30、2.1 Storage temperature, - The power suRply shall meet the requirements of 3.3. 1 at ambient temperature (60, F to 9OoF) after exposure and thermal stabilization at -80F and 1160- F. 3.3.2.2 Operating temperatures. - The power supply shall meet the require-pents of 3.2.1 while exposed to and thermal
31、ly stabilized at -40 F and 4-125 F, subsequent to whigh it shabl meet the requirements of 3.3.1 at ambient temperature (60 F to 90 F). 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-14881 (MU) 3.3.2.3 Vibration. - The power supply shall meet
32、 the require- after being exposed to the following vibratory conditions: ments of 3.3. 3 Amplitude : Acceleration: 4 g maximum Crossover frequency: 12.5 Hertz Sweep time: O. 5 inch maximum 5 to 500 to 5 Hertz in 15 minutes. Two sweeps in each of the three mutually perpendicular axes. 4. QUALITY ASSU
33、RANCE PROVISIONS 4.1 Responsibility for inspection. - Unless otherwise specified in the contract or purchase order, the supp1ie.r is responsible for the performance of ali inspection requirements as Specified herein. Except as otherwise specified, the supplier may utilize his own or any other facili
34、ties suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. The Govern- ment reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services co
35、xform to prescribed requirements. 4.1.1 General provisions. - The component and subassembly inspection requirements of MIL-F-13926 form a part of the qualitv asskrance provisions of this specification. terms shall be as listed in MIL-STD- 109. Definitions of inspection 4.2 First article (nitial prod
36、uction) approval. - The require- ment for first article approval and the responsibility (Government or contractor) for first article testing shall be as specified in the con- tract. The sample for first article approval tests shall consist of three power supplies. The sample shall be manufactured in
37、 the same manner, using the same materials, equipment, processes, and procedures as used in regular production. All parts and materials, including pack- aging and packing, shall be obtained from the same source of supply as used in regular production. 4.2.1 Government testing. - When the Government
38、is respon- sible for conducting first article approval tests, the contractor, prior to submitting the sample to the Government, shall inspect the sample to insure that it conforms to all the requirements of the contract and submit a record of this inspection with the sample, including certificates o
39、f conformance for materials. 7 a* Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P- 14881 (MU) 4.2.2 Contractor testing - When the contractor is responsible for conducting first article approval tests, the sample shall be in- spected by the cont
40、ractor for all the requirements of the contract. The sample and a record of this inspection, including certificates of con- formance for materials, shall be submitted to the Government for approval. The Government reserves the right to witness the contrac- tors inspection. 4.3 Inspection provisions.
41、 4.3.1 Submission of product. - Unless otherwise specified by the contracting officer, inspection lot size, lot formation and presenta- tion of lots shall be in accordance with “Submission of Product“ pro- visions of MIL-STD- 105. 4.3.2. Examination and tests. 4.3.2.1 Components and subassemblies, -
42、 All components and subassemblies shall be inspected in accordance with the inspection provisions contained in Supplementary Quality As surance Provisions (SQAP) listed in the technical data package (TDP). In the absence of SQAPs, the applicable Quality Assurance Provisions of MIL-F- 13926 shall app
43、ly, 4.3.2.2 Final acceptance inspection. - Subsequent to first article approval, examination and tests related to Section 3 herein shall be performed on a single defect (individual characteristic) basis in accordance with MIL-STD-105 and the sampling plans specified in Tables IIIa IV, and V herein,
44、Examination and test for packaging and marking shall be in accordance with MIL-P-14232 and Section 5 herein. The tabulated classification of defects in Tables III, IV, and V shall constitute the minimum inspection to be performed by the supplier after first article approval and prior to Government a
45、cceptance or rejection by item or lot, 4.3.2.3 Functional tests. - The requirements and tests in Table III shall be inspected on a 100% basis. All examinations and tests shall be conducted at the standard ambient temperature (60 to 9OoF). 8 Provided by IHSNot for ResaleNo reproduction or networking
46、permitted without license from IHS-,-,- MIL-P-LYL 12 W 777770b 0277733 L W MIL-P- 14881 (MU) TABLE III (1 00 percent inspection) CHARACTERIST ICs REQUIREMENT TEST PROCEDURE 101 Malfunction 6 3.3.1.1 103 Fire Signal 3.3.1.3 104 Range Light 3.3.1.4 105 Current limiting of Power Driver 3.3.1.5 102 PFN
47、Voltage 3.3.1.2 4.6.2 4.6.3 4.6.4 4.6.5 4.616 4.3.3 Acceptance and rejection. - Rejected lots shall be screened for all defective characteristics. Removal or correction of defective units and resubmittance of rejected lots shall be in accord- ance with lAccptance and Rejection“, as specified in MIL-
48、STD- 105. 4.4 Special sampling. 4.4.1 General. - One power supply shall be selected at random by a Government representative as a control sample from each 100 produced. The conirol sample shall meet the requirements and tests in Table IVe TABLE IV CONTROL TEST REQUIREMENT TEST PROCEDURE 301. Fabrica
49、tion 3.1 Applicable drawings - 302. General Specification 3.2 MIL.- F- 13926 - Visual Visual 4.4.2 Environmental.- Three power supplies shall be selected at random by a Government representative as a control sample from each 50 produced or from each months production, whichever occurs first, The control samples shall meet the requirements and tests in Table V. _I . 9 Provided by IHSNot for
