1、MIL-A-27L3bE b3 999990b 0237002 B MIL-A-l7196E(SH) SUPERSEDING MIL-A-l7196D(SHIPS) 7 October 1977 22 September 1967 MILITARY SPECIFICATION ALAR! SWITCHBOARDS, ALAR4 PANELS, REMOTE SENTRY ALARM SWITCH, SIGNAL UNITS, AND SPECIAL ALARM CONNECTION BOX, NAVAL SHIPBOARD This specification is approved for
2、use by the Naval Sea Systems Command, Depart- ment of the Navy, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers alarm switchboards, alarm panels, remote signal units, sentry alarm switch, and special alarm connectio
3、n box for use with Naval surveillance and protective systems. 1.2 Classification. specified (sX2.1) : 1.2.1 Alam switchboards. Alarm switchboards shall be of the following types, as !WE Line voltage, 60 hertz (Hz) Supervisory voltage- 1/ IC/SCG IC/SFZ or S4FZ IC/SM 115 V 5 + V d.c.; root mean square
4、 (rms), 115 Volts (V) 220 Volts direct current (V d.c.1 115 v 120 V d.c. - O full-wave, rectified (unfiltered) LAt the terminals for connection of external alarm sensing device, except for IC/SFZ or S4FZ switchboards. For IC/SFZ or S4FZ switchboards, it is voltage to power input terminals of two-lin
5、e alarm unit. 1.2.1.1 Size. The size of the switchboard shall be designated by the full capacity of number of circuits required is as follows: the enclosure (see 3.4.1.1 through 3.4,.1.3 and 6.2.1). A typical designation of the actual Number of circuits required IC/SM 20 18 6.2.1): 1.2.2 Alarm panel
6、s. Alarm panels shall be of the following types, as specified (see Number of XYE lines Line voltage (60 Hz) Supervisory IC/B51 2 115 V IC/B52 4 115 V 120 V d.c.- 1/ IC/BCG51 2 IC/BCG52 4 115 V 220 V d.c.v 115 V 220 V d.c.Y LVoltage is measured at pwer input terminals of two-line alarm unit. ;/voltag
7、e is measured at terminals for connection of external alam sensing device. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed tor Commander, Naval Ship Engineering Center, SEC 6124, Departmant of the N
8、avy, Washington, DC 20362 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. PSC 6320 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-A-L?lSbE. b3 9 999990
9、6 0237002 T W 1.2.3 Audible and visual remote signals, sentry alarm switch. specified (see6.2,1) : 1.2.3.1 Remote signal units. Remote signal units shall be of the following types, as IC/= IC/EAP IC/EAW 1.2.3.2 Sentry alarm switch. The sentry alarm switch shall be a type IC/SW. 1.2.4 Special alarm c
10、mnection e. The special alarm connection box shall be the type shwn on Drawrng SS-402-1701749. 2. APPLICABLE DOCUMENTS 2.1 Issues of documents. The following documents of the issue in effect on date of specified herein. invitationmi= or request for proposal, form a part of this specification to the
11、extent SPECIFICATIONS MILITARY MIL-R-26/5 - Resistors, Fixed, Wire-Wound (Power Type) Styles RW70, RW74, MIL-S-901 - Shock Test, H.I. (High-Impact); Shipboard Machinery, Equipment MIL-1-983 - Interior Communication Equipment, Naval Shipboard; Basic Design MIL-A-15303 - Audible Signals: Alarms, Bells
12、, Buzzers, Horns, Sirens, and MIL-E-17555 - Electronic and Electrical Equipment, Accessories, and Repair MIL-R-39007/6 - Resistor, Fixed, Wire-Wound (Power Type) Established Reliabi- RW78 and RW79. and Systems , Requirements for. Requirements For. Electronic, Shipboard. Parts, Packaging and Packing
13、of. lity, Style RWR74. STANDARDS MILITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection by Attributes. MIL-STD-461 - Electromagnetic Interference Characteristics Requirements for Equipment. MIL-STD-462 - Electromagnetic Interference Characteristics, Measurement of. MIL-STD-1399 - Inter
14、face Standard for Shipboard systems. MIL-STD-810 - Environmental Test Methods. Section 103 - Electric Power, Alternating Current. DRAWINGS MILITARY 401-2274000 - Security Alarm Systems, Circuit FZ, Elementary Wiring Design. 401-2274001 - Types IC/SPZ and IC/S4FZ, Security Alarm Switchboard, Mechanic
15、al 401-2274002 - Audible and Visual Remote Signal, Types IC/EA, IC/EAW and IC/EP.P, SS-402-1701749 Torpedo Security Alarm Circuit “4FZ“ Torpedo Room Connection 815-1853037 - Electronic Audible Signal, Type IC/E3D2. 815-1853110 - Alarm Switchboard Guidance Wiring Diagram. 815-1853205 - Switchboard, S
16、ingle Line Alarm Module, Type ICD. 815-1853206 - Switchboard, Alarm, Type IC/SM, 10-50 Lines. 815-1853207 - Switchboard, Alarm, Tyse IC/SM, 60-120 Lines. 815-1853208 - Switchboard, Alarm, Type IC/SM, Systems Schematic Diagram and Connection to Sensor Cirai ts . 9000-S6504-73806 - Alarm Panel - 2 Cir
17、cuits Type IC/B51, 115 Volts, AC-DC. 9000-S6504-73807 - Alarm Panel - 4 Circuits Type IC/B52, 115 Volts, AC-M:. 9000-S6504-73904 - Bell-Splashproof 115 Volts 60 Cycles, Type IC/BlS4. 9000-56504-74080 - Systems, Standards, Diagrams of Two Line Alarm Unit. 9000-S6504-73905 - Buzzer-Watertight 115 Volt
18、s 60 Cycles, Type IC/ZlS4. 9000-56504-74285 - Switchboard, Alarm, Type IC/S, 10 to 40 Lines. Assembly, 10-60 Line. and Sentry Alarm Switch Type IC/SW. BOX Assembly ana Detail. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-A-1719bE b3 D 9999906
19、0237003 I m MIL-A-l7196E(SH) 9000-56504-74287 - Switchboard, Alam, Type IC/, 80, 100 and 120 Lines. 9000-S6504-74286 - Switchboard, Alarm, Type IC/S, 50 to 60 Lines. (Copies of specifications, standards, drawings, and publications required by contractors in connection with specific procurement funct
20、ions should be obtained from the procuring activity or as directed by the contracting officer.) 3. REQUIREMENTS 3.1 Qualification. Alarm switchboards, alarm panels, remote signal units, sentry alarm switches and special alarm connection boxes furnished under this specification shall be pro- ducts wh
21、ich are qualified for listing on the applicable qualified products list at the time set for opening of bids (see 4.3 and 6.4). 3.2 General features. The equipment shall be in accordance with the following para- graphs of Mu“s83, in addition to the requirements specified herein. (Whenever a require-
22、ment of MIL-1-983 conflicts with a requirement of this specification, the requirement of this specification shall govern): General requirements Materials, general Substitution of (equal or superior) materials or parts Toxic materials Fungus - inert materials Wood Aluminum Magnesium Ferrous alloys No
23、nferrous material (except aluminum) Plastics Lubricants and lubrication Painting Washers Protection against corrosion Parts, electrical Electron tubes Electron tube or capacitor sockets Transistors (see 3.4.10) Capacitors Variable resistors Transformers and inductors Electrical tapes Batteries Enclo
24、sures - degree of (Dripproof is applicable to alarm switchboards, remote Enclosures - general signal units, sentry alarm switches, and special alarm connection boxes). Stiffening grooves Cable entrance Ventilation Size Threaded devices Rounded corners and edges Drilled and tapped holes Structural we
25、lding Accelerated life Temperature and humidity (switchboards and alam panels) Salt spray Shock, (Type A, grade A, class 1 lightweight of MIL-S-901) vibration and incli- Primary power supply circuits Power supply tolerances (normal power supply - 115 volts, 60 Hz a.c.) (see 3.3.8) Electromagnetic in
26、terference Safety (personnel hazard) Soldering Electrical parts mounting Electrical connectors Tenninal boards and terminals Wiring Dielectric strength and insulation resistance clearances nation (vital vibration test required) 3 Provided by IHSNot for ResaleNo reproduction or networking permitted w
27、ithout license from IHS-,-,-flIL-A-L319bE b3 m 999990b 023700LI 3 Interchangeability Standardization Repair parts (see 3.7) Designation and marking Workmanship as specified here* 3.3 System o eration. Equipments to this specification shall provide for operation: 3.3.1 Circuits. The circuits for the
28、switchboards shall conform to the following: (a) IC/SCG - Drawing 815-1853110, except as specified in 3.3.3. (b) IC/SFZ and S4FZ - Drawings 401-2274000 and 401-2274001. (c) IC/SM - Drawing 815-1853208 (except for the type IC/SM4, only two fused exten- sion signal circuits shall be provided. One for
29、supervisory failure alarm and one for an alarm condition alarm). A wiring diagram in accordance with MIL-1-983 shall be provided in each switchboard. (d) Remote signal units and sentry alarm switch - Drawing 401-2274002. (e) Spcial alarm connection box - Drawing SS-402-1701749. voltage shalsoryd fai
30、lure. Upper light out, lower light on steady, the circuitry comp ete to steady audible tone. (Switch in normal position). To silence Cut-out. With the switch in the cut-out position (30 degrees left from NORMAL audible alarm, the operator shall switch to cut-out position. position, both sides of the
31、 line shall be opened and the upper light shall be out and the lower light shall be on steady. Audible tone circuit shall be open. position, the line resistor shall be shorted out for testing operation of the switchboard. The indications shall be the same as 3.3.!5.2(b). Power failure. Upper and low
32、er lights shall be out. (The module shall have no function to establish connections for an audible alarm, but the switch- board shall make connections or a pulsating, yelping sound). Test condition. With the switch in the test (60 degrees left from NORMAL) 5 Provided by IHSNot for ResaleNo reproduct
33、ion or networking permitted without license from IHS-,-,-MIL-A- 3.3.6 Alarm switchboards and alarm anels (all t es exce t IC SM). For purposes of test, troublelation, and licstk fine dvkith a rotary switch having three positions as follows: (a) Normal (down) sition. - Both sides of line closed. (b)
34、off-su ptest and cut-out (22-1/2 de ee left) osition. - Both sides of th: line gen and tromgmc*eEfkng the opera- tion of the trouble target relay and trouble signal. The trouble signal circuit contacts shall open after opening of the line contacts during the (c) Test alarm test (45 degree left) osit
35、ion. - Thermostatic switch, water movement of the rotary switch from the normal to the cut-out position. swltcheooreEe operaEwkine resistor shorted out for testing operation of the alarm target relay and alarm signals. In addition, provide one set of electrically isolated, normally closed contacts o
36、n the rotary switch which shall be wired in series with the auxiliary contacts of the alarm relay (see 3.4.7) and shall open when the rotary switch is in the alarm test position only. These contacts shall be mechanically designed to fully open prior to the closing of the auxiliary contacts to preven
37、t automatic triggering of remote operated systems (such as CO2 systems) when the rotary switch is turned to alarm test position. 3.3.6.1 The rotary switch for each line of the two-line alarm unit and the silent test switch wf the switchboard shall be latching in all positions. shall indicate that th
38、e system is energized. 3.3.7 A pilot light on the switchboard or panel (except for IC/SM type switchboard) positive grounds and one light to indicate negative grounds. 3.3.7.1 One ground detector light shall be provided on switchboards only for indicating normal source of power conforming to type I
39、115 V alternating current (V a.c.) 60 Hz, single 3.3.8 The alarm switchboards and alarm panels shall be designed for operation from a phase, of section 103 of MIL-STD-1399. A rectifier shall be provided to supply energy for only) and pilot lamp. Audible alarms of the IC/SCG switchboard shall be ener
40、gized from the the line circuits , lamp flasher (switchboards only) , ground detector lamps (switchboards 115 V 60 Hz supply. Audible alam of the IC/SM, IC/SFZ and IC/S4PZ switchboards shall be from a speaker supplied inputs by the type IC/E3D2 signal generator. 3.3.9 For alam switchboards, except I
41、C/SM type switchboards, provision shall be made for energizing four external alarm circuits. These circuits shall be individually fused at the alarm switchboard. 3.3.10 Endurance. All switchboards and alarm panels shall be tested for endurance in accordance with 4.6.2. circuit contacts for anxmyndfa
42、rm unit used in type IC/SCG, 3.3.11 %o-line alarm unit (Drawin 9000-56504-74080). The alarm relay external IC/SFZ and IC/S4FZ switchboards or in type ICDCG or IC/B alarm panels shall be suited for making and breaking a resistive load of 100 watts at 115 V a.c. to the electromagnetic interference req
43、uirements for class C of MIL-STD-461. 3.4 Alarm switchboards, remote siqnal units, sentry alaxm switch. 3.3.12 Electromagnetic interference. Alam switchboards and alarm panels shall conform 3.4.1 Sizes (full capacities). 3.4.1.1 e IC SCG switchboards. Type IC/SCG switchboards shall conform to Drawin
44、gs 9000-S6504-7409504-74285 , 9600-S6504-74286, 9000-S6504-74287, and 815-1853110. The IC/SCG switchboard shall be furnished in the following sizes (full capacities) as speci- fied (see 6.2.1): 10, 20, 30, 40, 50, 60, 80, 100, or 120 lines 3.4.1.2 Types IC/SFZ and IC/S4FZ switchboards shall conform
45、1 and shall be furnished in the following sizes (full capacitiei) , as specified (see 6.2.1) : 10, 20, 30, 40, 50, or 60 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-l7196E(SH) 3.4.1.3 T IC/SM switchboards. Type IC/SM swithchboards shall c
46、onform to Drawings 815-1853205, 8e853206, 815-1853207, and 815-1853208, and shall be furnished in the fol- lowing sizes (full capacities), as specified (see 6.2.1): 4, 10, 20, 30, 40, 50, 60, 80, 100, or 120 3.4.1.4 Remote si na1 units and sentry alarm switch. Remote signal units and the sentry alar
47、m switch she-czdance withawingO1-2274002. 3.4.2 Enclosure. All switchboards, remote signal units and sentry alarm switches shall be enclosed in a dripproof steel or dripproof aluminum cabinet. Except on 80 to 120 line type IC/SCG switchboards, each panel shall be arranged to hinge out from the left
48、side, so that all parts shall be accessible from the front of the cabinet. Terminal strips for con- necting the ship cables shall be provided in the rear of the enclosure. All flexing cables to hinged panels shall be designed with a maximum amount of slack to distribute bending over the longest prac
49、tical length of cable. The type of conductors, and the method of cabling the conductors shall be specifically designed for flexing service. 3.4.3 Mountinp. 3.4.3.1 Mountin (four to 40 lines). Ten, 20 30, and 40 line, types IC/SCG, IC/SM, IC/SFZ, or IC/dtrcihall be arranged for bulkhead mounting. The four- line IC/SM4 switchboard shall be arranged for bulkhead mounting. IC/SCG, IC/SFZS,nged for securing to a deck and shall be provided with structural padeyes to facilitat
