1、MILITARY STANDARD SWITCHING EQUIPMENT, COMBAT SYSTm, COMMAND AND CONTROL, FIRE CONTROL AND INTERIOR- COMMUNICATION REQUIREMENTS FOR FSC 1290 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-l657A(SH) 2 May 1983 DEPARTMENT OF THE NAVY . NAVAL S
2、EA SYSTEMS COMMAND Washington, DC 20362 Switching Equipment, Combat System, Command and Control, Fire Control and Interior Communication Requirements for MIL-STD-l657A(SH) 1. This Military Standard is approved for use by the Naval Sea Systems Command, Department of the Navy, and is available for use
3、 by all Departments and Agencies of the Department of Defense. . . 2. Beneficial comments (reommendations , additions, deletions) and any pertinent data which may be of use in improving this.document should be addressed to: Commander, Naval Sea Systems Command, SEA 5523, Department of the Navy, Wash
4、ington, DC 20362 by using the self-addressed Standardization t Document Improvement Proposal (DD FOI% 1426) appearing at the end of this document or by letter. . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-c MIL-STD-l657A(SH) 2 May 1983 FOREWORD
5、1. This standard covers the requirements for the design of switching equip- ment used in conjunction with the combat system. M Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-l657A(SH) . 2 May 1983 CONTENTS Paragraph l. 1.1 1.2 1.3 2. 3. 4. 5
6、. DEFINITIONS (Not applicable) GENERAL REQUIREMENTS (Not applicable) - Requirement 1 - Termination of large conductor ship Requirement 2 - Synchro connections -e- Requirement 3 - Taper pin blocks - Requirement 4 - Terminal junction systems -e- Requirement 5 - Panel-mounted assemblies - Requirement 6
7、 - Relay or relay and fuse panel Requirement 7 - Fuse panel assembly - Requirement 8 - Indicator light panel -“-1- Requirement 9 - Bus selector switch panel - Requirement 10 - Meter .panel Requirement 11 - Switch potential transformer panel - Requirement 12 - Fuse tester panel - Requirement 13 - Rel
8、ay tester panel -I- Requirement 14 - Flasher panel (mechanical only) - Requirement 15 - Transformer panel -i- Requirement 16 - Synchro signal converter - Requirement 17 - Signal generator -0“- Requirement 18 - Switch panel or switch and fuse Requirement 19 - Switch control and relay panel - Requirem
9、ent 20 - Detail schematic wiring diagrams - Requirement 2.1 - Toggle switch or toggle switch and Requirement 22 - Motor generator (M/G) switch panel - Requirement 23 - Rus failure alarm panel - cables assembly -L- panel -_-_I- . fuse panel . 112 112 .h 1-1 2-1 3-1 4-1 5-1 8-1 9-1/9-2 10-1 11-1 12-1
10、13-1 14-1 15-1 16-1116-2 17-1 / 17-2 18-1 / 18-2 , .*-j 19-1 20-1 21-i/21-2 22-1122-2 23-1/23-2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Table 20-1 2 0-1 I Figure 1-1 2-1 3-1 .4-1 4-2 4-3 5-1 5-2 6-1 7-1 8-1 8-2 9-1 10-1 10-2 11-1 11-2 12-1 12
11、-2 13-1 13-2 14-1 14-2 15-1 16-1 16-2 18-1 19-1 2 0-1 2 0-2 2 0-3 2 0-4 21-1 23-1 22- 1. Page 20-7 20-10120-11 1-2 2-2 3-2 4-2 4-3 4-4 5-5/ 5-6 5-1115-12 6-3/ 6-4 7-3/7-4 8-31 8-4 8-5/8-6 9-31 9-4 10-3/10-4 10-5/10-6 11-3/.l1-4 11-51 11-6 12-31 12-4 12-51 12-6 13-5/13-6 13-7/13-8 14-31 14-4 14-51 14
12、-6 15-31 15-4 16-3/ 16-4 16-51 16-6 18-31 18-4 19-3/1904 20-11/20-12 20-13/20-14 20-15120-16 20-17120-18 21-3/2104 22-31 22-4 23-31 2 3-4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-h. k MIL-STD-Ib57A 12.W 77777II 007b07I I MIL-STD-l657A(SH) 2 Ma
13、y 1983 1. SCOPE, APPLICATION, AND CLASSIFICATION 1.1 Scope. This standard covers the requirements for the design of switching equipment used to control the Inierfaces and monitor the operation of equipment components of the combat system. 1.2 Application. This standard is applicable to new design sw
14、itching equipment. intended for new construction ships or modernized active fleet ships. 1.3 Classification. Requirements are classified by functional or application designs as shown in the individual requirements specified herein. i 2. REFERENCED DOCUMENTS 2.1 See each individual requirement for re
15、ference to applicable documents contained therein. 2.1.1 The applicable issues. shall be those in effect on the date of invitation for bids or request for proposal. 2.1.2 Copies of specifications, standards, drawings, and.publications required by contractors in connection with specific acqulsition f
16、unctions should be obtained from .the contracting activity or as directed by the con- tracting officer. *. 3. DEFINITIONS Not applicable. 4. GENERAL REQUIREMENTS . Not appX$gable. 5. DETAIL REQUIREMENTS 5.1 Detail requirements for switching equipment shall be as shown in the individual requirements
17、specified herein, Preparing activity: Navy - SH (Project 129O-N389) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-l657A(SH) 2 May 1983 REQUIREMENT 1 TERMINATION OF LARGE CONDUCTOR SHIP CABLES 1. Purpose. This requifement establishes the gui
18、d.elines for use of jumper straps or alternate size terminal boards in terminating large conductor ship cables I 2. Documents applicable to requirement 1: i MIL-C-915/29 - Cable, EIectrical, 1000 Volts, Type DSGU. MIL-C-915/30 - Cable, Electrical, 1000 Volts, Type TSGU. MIL-W-16878/19 - Wire, Electr
19、ical, Polyvinyl Chloride (PVC) Insulated MXL-T-55164/11 - Terminal Boatds, Molded, Barrier, Stud Type, MIL-T-55164/13 - Terminal Boards, Molded, Barrier, Stud Type, MIL-T-55164/21 - Terminal Boards, Molded, Barrier, Stud Type, NAVSEA 803-4680142 - Terminal Board Jumper Strap. DDS 304-2 - Electric Ca
20、ble Ratings and Characteristics. 105OC, 3000 Volts, Polyamide Covering. . Class 5TB. Class 7TB. Class 17TB. I 3. REQUIREMENTS 3.1 Provision in the switchboard design shall be made for terminating . the large conductor ship cables for supplies to switchboard busea by use of type 17TB10 (current ratin
21、g 40 amperes (A) in accordance with MZL-T-551/21) or type 5TB8 (current rating 50 A in accordance with MIL-T-55164/11) terminal boards in place of the type 7TB12 (MIL-T-55164/13) terminal boards specified in the applicable specification sheet. Provision shall also be made for terminating certain shi
22、p cables that may be.increased in conductor size for voltage drop considerations. In some instances internal switchboard branch circuits may require the use of more than one terminal 0.n a terminal board. Jumper straps, when.required, shall be in accordance with Drawing 803-4680142 and shall be used
23、 to either connect one large ship conductor to two or more terminals or connect two or more terminals together for internal switchboard branching. These jumper straps, the associated switchboard wire sizes, ship cable types and sizes, and number of terminals to be strapped shall be as shown on figur
24、e 1-1. -3 c 3.2 The curr.ent rating and wire1 size combinations on figure 1-1 are based on the wire of MIL-W-l6878/A with a nylon jacket as listed in DDS 304-2. Listing of types DSGU (MIL-C-915/29) and TSGU (MIL-C-915/30) cables is for terminal assignments, not -load listings. Requirement 1 Provided
25、 by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-l657A(SH) 2 May 1983 95 AMPERE SHORTING STRAP 175AMPERE STRAP . SHORTING SH11506 1! Listed for terminal assignments, not load ratings. FIGURE 1-1. Jumper straps for large conductor.ship .cables. Require
26、ment 1 1-2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-l657A(SH) 2 May 1983 I REQUIREMENT 2 .- SYNCHRO CONNECTIONS 1. Purpose. This :requirement establishes the criteria for synchro connections .and wire;mafking. .r 2. Document applidable
27、 to requirement 2: - .:. I . MIL-HDBg-225 Synchros - D-escription and Operation. -. 3. REqUImMFqqTg . . . .- . - - . - . -. 5 - . ,: .- 3.1 Synchro lcionpectionp :and- wire-markings. Synchro transmitters shall be connected to the petiphralequipmenf terminal board and the ship wiring, (where either m
28、ay- .be marked :with typical shfp circuPcdesignations, terminal “111“ to (angular displacement) +n ;:the -peripheral equipmnt synchro shaft (counterclock- .wise rotation) would cuse .a cbuntercickwise rotation in a standard synchro receiver connected. to the ship wirfng through the peripheral equipm
29、ent terminal board (terminal R1 to ship wiring-!“lj.O“, R2 to .“llOR“, S1 to “lll“, S2 to “112“ and S3 to *113). Direction of .rotation is determined while facing the shaft end of the synchro. Synchro torque receivers and control transformers shall be connected to the peripheral equipment terminal b
30、oard in such a manner that, with direct connection-between the peripheral equipment terminal board and the ship wiring, counterclockwise rotation of a standard transmitter having direct connection to the ship wire (R1 to llO*, R2 to “llOR“, SI to “lll“, S2 to “112“ and S3 to “113“) shall cause count
31、erclockwise rotation of the peripheral equipment dial or-pointer. Conversely, for a syrichro that .requires clockwise rotation-for increasing signal, synchro terminals S1, S2, and S3 will be con- nected to theperipheral equipment terminal board corresponding to ship wire numbers 113, 112, and 111, .
32、respectiveiy. See figure 2-1 for the connections required for a clockwise rotating synchro. MIL-HDBK-225 provides additional condection data. .- e ship wiring “Lll“, and so .forth)ti Cuch.-a- mntier that an increasing value _- - Requirement 2 . .“ *. Provided by IHSNot for ResaleNo reproduction or n
33、etworking permitted without license from IHS-,-,-MIL-STD-l657A( SH) 2 May 1983 STANDARD SYNCHRO SYSTEM FOR INCREASING READING 1 (COUNTER-CLOCKWISE ROTATIW PERIPHERAL EOUIPMENT TERMINAL BOARD I SHAFT END OF SYNCHRO WITH CLOCKWISE ROTATION SHIP WlRlNQ !IO I IOR EOUIPMENT PERIPHERAL ENCLOSURE THIS WIRI
34、NG IS TRANSPOSED TO SHOW WHERE THE TRANSPOSITION SHALL BE MADE TRANSPOSITIONS WHEN REWIRED SHALL, BE MADE AS PART OF THE DURING MANUFACTURE UNIT WIRING I SH 11507 FIGURE2-1. Connections for clockwise rotating synchro. Requirement 2 2-2 Provided by IHSNot for ResaleNo reproduction or networking permi
35、tted without license from IHS-,-,-1 MIL-STD-l657A(SH) 2 May 1983 REQUIWENT 3 TAPER PIN BLOCKS 1. Purpose. This requirement establishes guidelines for use of taper pin blocks 2. Document applicable to requirement 3: NAVSHIP 803-4680148 - Taper Pin Block (Source Control Drawing) 3 REQUIREMENTS 3.1 Tap
36、er pin blocks shalve in accordance with Drawing 803-4680148 Each taper pin block shall have“CT separate cavities. Cavities shall be arranged so that there. are 20 groups of three cavities each. The groups shall be lettered starting at “A“ and continuing through “W“, omitting I, O, and Q. The three c
37、avities in each group shall be numbered 1 through 3 (top to bottom). 3.2 Cavity number 1 and number 2 (in all 20 groups) shall be connected by an internal strap, and cavity number 2 and number 3 (in all 20 groups) shall be connected by an external jumper of number 16 AWG wire located on the front si
38、de of the taper pin block (see figure 3-1). Requirement 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. SEE NOTE 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-m c C - D m . “_ *i MIL-STD-l657A
39、(SH) 2 May 1983 . REQUIREMENT 4- TERMINAL JUNCTION SYSTEMS 1. . Purpose. This requirement establishes guidelines for use of terminal “tinction systems. 2. Documents applicable to requirement 4: MIL-T-81714/3 - Termin1 Junction Systems Modules, Feedback Type, MIL-T-81714/8 -. Terminal Junction System
40、s Modules, Feedthru Type, MIL-T-81714/9 - Terminal Juncteon . :Systems- Modules, Feedthru Type, size 16. Size 16. - Size 12. d5. 3. REQUIREMENTS 3.1 Feedthru types of te.rmina1 j MIL-T-55164 - Terminal Boards; Molded, Barrier, Screw and Stud MS15795 - Washer, Flat-Meta , Round, General Purpose (in./
41、mm) . MS24693 - Screw, Machine, Flat Countersunk Head, looo, Cross MS33558 - Numerals- and Letters, Aircraft Instrument Dial, MS35338 - Washer, Lock-Spring , Helical , Regular (Medium) MS35649 - Nut Piain-Hexagon, Machine Screw, UNC-ZB MS51957 - Screw, Machine-Pan Head, Cross-Recessed, Corroqion- Re
42、sisting Steel, UNC-2A. NAVSHIPS 815-1853048“ Switch Linear Movement Style LS. Recessed, UNC-2A and UNF-PA (in,/-). Standard FOG of. Series , (in. /mm) . I 3. REQUIREMENTS 3.1 Panel-mounted assemblies are for use in switchboards designed in accordance with MIL-S-17000, 3.2 Enclosure design. Basic enc
43、losure used for the panel-mounted assem- blies shall be as specified in 3.2.1 through 3.2.7.1 and as shown on figure 5-1. o Requirement 5 I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-Lh57A L2 W 79799LL 0076083 8 W MXL-STD-l657A(SH) 2 May
44、 1983 32.1 Front plate and internal mounting plate (where required) shall be punched to accommodate the maximum number of devices (that is; 10 fuseholders, 15 indicator light assemblies, 10, 15, or 20 relay sockets, and so forth). Unused holes in the front plate shall be covered by the panel descrip
45、tion plate. Cutouts for indicator light or pushbutton switches shall conform to the dimensions shown on figure titled “Recommended panel cut.outs* of the applicable specification sheet of MIL-S-22885/87. . 3.2.2 The required number of devices to be used in each panel assembly (such as the number of
46、fuseholders, relays, indicator lights, connector(s), or termine1 board(s), on the rear panel, and so forth) and the actual wiring and wire size to be installed will be defined in the acquisition technical data package. 3.2.3 When any of these assemblies require a larger assembly, the panel utilized
47、on the larger assembly shall be a multhple of the 4 inch width of the L. basic panel (see figure 5-1 sheet 3). , 3.2.4 When any of these panel-mounted assemblies are located in the vertical column of panel spaces next to the door handles on the front panel layout- drawings, the “short depth“ (length
48、) dimensions as shown on figure 5-1 and related figures in requirements 6 through 15, 17, and 18 shall apply. 3.0205 Blown fuse indicator supply shall be wired in all panels with fuses and type MIL-C-2874819 connector,. (except power available panel) as follows : JA Blown fuse indicator To C terminals of I supply going. itito . fu
