Related Manuals for Brooks BOWS020W
Summary of Contents for Brooks BOWS020W
- Page 1 Operation / Technical Manual Standalone OWS Rev 2.4 Occupant Warning System BOWS020W, BOWS060W & BOWS120W MA380 December 2019...
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Page 2: Document History
OWS Standalone Manual MA380 - Rev. 2.4 Document History Issue Date Description Written By Checked By Draft 0 25 Sep 2008 Original Draft Document. Wallace Zhong Anis Shenouda Rev 1 17/08/2009 Update & finalise draft issue W.Z. / A.S. A. S. Add current calculation, add 20W model and Rev 2 01/05/2011... -
Page 3: Table Of Contents
OWS Standalone Manual MA380 - Rev. 2.4 Table of Contents INTRODUCTION ............................4 Overview ............................. 4 Features .............................. 4 Specifications ............................5 OPERATIONS ............................... 6 Display Layouts ..........................6 Mode of Operation ..........................6 2.2.1 Isolate mode ........................... 6 2.2.2 Automatic mode ........................ - Page 4 Figures List Figure 1 Brooks Standalone OWS Control Panel ....................4 Figure 2 Main Display Layouts of Brooks Standalone OWS ................6 Figure 3 OWS Main Control Board Layout ......................9 Figure 4 OWS Main Control Board C/W 120W Amplifier mounted ..............10 Figure 5 SUB999 Board Layout ..........................
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Page 5: Introduction
For non-regulatory applications, the tones and voice message can be customised Local PA facility via a built-in electret microphone. Only PA-1 remote desk top microphone can be connected to the standard series of Brooks OWS, PA-8 requires the addition of 4 zone splitter boards. -
Page 6: Specifications
OWS Standalone Manual MA380 - Rev. 2.4 Speaker output can be split into a max of 48 individual speaker circuits . Each circuit is individually supervised for short and open-circuit faults. Note: Check space availability in the OWS enclosure to mount the 4 Zone Splitter Boards, it may require larger enclosure. -
Page 7: Operations
Buzzer To Talk To Talk Figure 2 Main Display Layouts of Brooks Standalone OWS Mode of Operation The OWS has 3 modes of operation as shown in Figure 2: isolate, automatic and manual mode. Only one of these modes can be selected at any one time. A mode is selected by pressing the mode selection button on the display and is indicated by a LED next to the button. -
Page 8: Manual Mode
If one or more zone splitter boards (max 4) are installed as well as the PA display board, the PA speaker zones can be individually enabled or disabled by pressing the related PA zone selection button. Brooks desk top microphone provides direct connection of BGM source via built-in audio socket. -
Page 9: Planning
MA380 - Rev. 2.4 PLANNING System Components The following standard modules are used in the Brooks OWS in conjunction with one of the four available amplifiers: SUB860, OWS main control module SUB925, OWS main display board for standalone OWS ... -
Page 10: Ows Main Control Board Sub860
OWS Standalone Manual MA380 - Rev. 2.4 OWS Main Control Board SUB860 The PCB layout of the OWS main control board is shown in Figure 3 and terminals description is shown in Table 4. The physical picture of the main OWS control board SUB860 with 120W amplifier board SUB866 mounted on top is shown in Figure 4. -
Page 11: Cables Terminations
OWS Standalone Manual MA380 - Rev. 2.4 Table 3 Tones and messages specifications Audio Active conditions Description Indication Sweeping from 500-1200Hz with the ON/OFF time of 0.5s, repeated for 3 times followed by an additional 1 second silence. This is repeated 4 times then Evacuation Alarm condition or followed by the following voice message:... -
Page 12: On-Board Led Indications
LED. The flash rate provides further indication of the fault type e.g. whether the wiring fault in the speaker circuit is open or shot circuit, etc. Available only in Brooks series of amplifiers to minimise the quiescent current. Not available in the standard standalone series of Brooks OWS... -
Page 13: Optional Ows 4 Zone Splitter Board Fits 4580 Brackets - Sub999
OWS Standalone Manual MA380 - Rev. 2.4 Table 5 LED indicators on the OWS Main Control Board Designator Label Colour Active conditions LED 1 POWER ON Green OWS main board power input is ON. LED 2 EVAC Trigger input activated. Common Fault, indicates speaker, strobe or trigger fault. -
Page 14: Figure 6 Sub999 Fitted Into Mounting Brackets Cb575 & Cb574
OWS Standalone Manual MA380 - Rev. 2.4 Figure 6 SUB999 fitted into Mounting Brackets CB575 & CB574 Table 6 SUB999 OWS 4 Zone Splitter Board Status Indications Designator Label Colour Active conditions LED 1 LED 2 Steady: Zone 1, 2, 3 and/or 4 active, tone / message or PA ZONE Yellow STATUS... -
Page 15: Audio Amplifiers
Audio Amplifiers Brooks OWS has a wide range of class-D audio amplifiers. The standard standalone OWS enclosure can be fitted with 20W, 60W or 120W with 2x12V / 7AH or 2x12V / 12AH sealed lead acid batteries. Larger amplifiers e.g. 250W or larger batteries require different size enclosure or additional standalone enclosure fitted underneath. -
Page 16: Amplifiers Specifications
OWS Standalone Manual MA380 - Rev. 2.4 3.5.1 Amplifiers Specifications The specifications of Brooks class “D” amplifiers are shown in Table 8 Table 8 Audio Amplifiers Specifications Function 20W version 60W version 120W version 250W version Voltage input range 20 to 32Vdc... -
Page 17: 250 Watt Amplifier Module
OWS Standalone Manual MA380 - Rev. 2.4 Figure 8 Class-D 60W Audio Amplifier Board Figure 9 Class-D 120W Audio Amplifier board 3.5.4 250 Watt Amplifier Module High energy efficiency class D amplifier design. Low voltage protection. Over current protection ... -
Page 18: Power Supply Supervision Sub760
OWS Standalone Manual MA380 - Rev. 2.4 Figure 10 Class-D 250W Audio Amplifier Board Layouts Table 9 Connection of the Audio Amplifier 20W, 60W, 120W and 250W Designator Type Label Description Screw CON1 24Vdc Power input terminals Audio input from the main control board. Screw CON2 AUDIO IN... -
Page 19: Figure 11 Sub760 Power Supply Monitoring Board
DRY CONTACT or WATCHDOG PULSE OUTPUT POWER FAIL EXTERNAL TEST DRY CONTACT INHIBIT S/No PCB181 R1 SUB760 SUPPLY FAULT POWER FAIL BROOKS COM NO NC TO POWER ON LED 28.2V DC IN MONITORED 27.5V DC OUT GREEN GREEN AMBER GREEN... -
Page 20: Connections
3.6.4 Battery Calculations Brooks BOWS020W, BOWS060W and BOWS120W are fitted with 150 Watt switch mode power supply (BOWS020W can be fitted with 70W or 50W), batteries may vary. The battery capacity is determined by the following: Standby time, the system in quiescent condition and running on batteries only. -
Page 21: Fuses
OWS Standalone Manual MA380 - Rev. 2.4 Activation time, system in active condition and running on batteries only. Maximum speaker load. Size of audio amplifier in system. The quiescent and activation current consumptions of individual system components. The OWS quiescent current, full load current and the recommended batteries for each system are shown in Table 13 below. -
Page 22: Configurations
PC via RS232 connection to CON12 on the OWS main control board. If special tones or messages are required, please contact Brooks office to organise the engineering department to upload the required files into the main OWS control board. -
Page 23: Installation And Commissioning
OWS Standalone Manual MA380 - Rev. 2.4 INSTALLATION AND COMMISSIONING The installation and commissioning of Brooks OWS must follow all the relevant standard requirements, such as AS1670.1, AS3000 and AS/NZS3100, and the additional requirements below. Battery Check Check the battery voltage before connecting the batteries. The voltage of each battery should be measured using a certified and calibrated multimeter. -
Page 24: Block Wiring Diagrams
OWS Standalone Manual MA380 - Rev. 2.4 BLOCK Wiring Diagrams Figure 12 F646B Iss 6- Standalone 20W OWS... - Page 25 OWS Standalone Manual MA380 - Rev. 2.4 Figure 13 F647A Iss 8 - OWS 60W Interfaced to CIE...
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Page 26: Figure 14 F647B Iss8 - Ows 60W Standalone
OWS Standalone Manual MA380 - Rev. 2.4 Figure 14 F647B Iss 8 - OWS 60W Standalone... -
Page 27: Figure 15 F648A Iss6 - Ows 120W Interfaced To Cie
OWS Standalone Manual MA380 - Rev. 2.4 Figure 15 F648A Iss 6 - OWS 120W Interfaced to CIE... -
Page 28: Figure 16 F648B Iss9 - Ows 120W Standalone
OWS Standalone Manual MA380 - Rev. 2.4 Figure 16 F648B Iss 9 - OWS 120W Standalone... -
Page 29: Figure 17 F649A Iss6 - Ows 250W Interfaced To Cie
OWS Standalone Manual MA380 - Rev. 2.4 Figure 17 F649A Iss 6 - OWS 250W Interfaced to CIE... -
Page 30: Figure 18 F649B Iss6 - Ows 250W Standalone
OWS Standalone Manual MA380 - Rev. 2.4 Figure 18 F649B Iss 6 - OWS 250W Standalone... -
Page 31: Figure 19 F649C Iss7 - Ows 500W Interfaced To Cie
OWS Standalone Manual MA380 - Rev. 2.4 Figure 19 F649C Iss 7 - OWS 500W Interfaced to CIE... -
Page 32: Figure 20 Remote Desktop Microphone Pa-1, Pa-8 And Pa-16 F626 Issue 4
OWS Standalone Manual MA380 - Rev. 2.4 Figure 20 Remote Desktop Microphone PA-1, PA-8 and PA-16 F626 Issue 4... - Page 33 P.O. Box 7050 Silverwater NSW 1811 4 Pike Street Rydalmere NSW 2116 Ph: 02 9684 1466 Website: www.Brooks.com.au 9/71 Victoria Crescent, Abbotsford VIC 3067 Ph: 03 9879 5294 P.O. Box 101 Woodville SA 5011 729A Port Road, Woodville, SA 5011 Ph: 08 8347 0000 P.O.