The SAMYUNG BNW-50 Bridge Navigation Watch Alarm System (BNWAS) is an essential safety device designed to improve maritime navigation by ensuring that bridge watchstanders remain alert and attentive. This advanced system monitors the activities of duty officers and triggers an alarm if it detects inactivity or signs of drowsiness, thus preventing potential accidents due to human error. The system plays a vital role in promoting safe maritime operations, especially during long voyages or in challenging sea conditions.

Features

• Comply with IMO Res. 128 (75), IMO Res.A.694 (17), IEC 62616 (2010), IEC 60945 (2002) & IEC 61162 (2007).
• ALR (alarm) sentence output (IEC 61162) for VDR.
• Responds to the other navigational equipment’s ALR (alarm) and EVE (event) sentence input.
• Time display function once GPS signal is connected.
• Easy to extend the function due to the availability of various options.
• Function that monitors the bridge activity and detects operator disability which could lead to marine accidents
• alerts the stand-by officer when the watch officer does not respond to the visual and audible alarm.
• Equipped with emergency call and navigator call button.
• Automatic reset function that detects the movement of the watch officer by using the motion sensor.
• Use of password protects the control of setup menu
• Easy to operate since display uses numbers and graphics.

Specifications

DISPLAY UNIT (SAMYUNG BNW-50)
Screen Size	4.3-inch TFT color LCD, 470 x 272 pixels
Power Consumption	130mA, power save mode 70 mA (24 V DC)
Size	129 (H) x 183 (W) x 113.5 (D) mm
Weight	0.5kg
Operation Temperature	-15°C to 55°C
PROCESSOR UNIT (BNW-51)
Main Power Supply	110V / 220V AC
Back-Up Power Supply	24V DC (for 6 hour, min 3 Ah)
Power Consumption	130mA
Size	221 (H) x 165 (W) x 95 (D) mm
Weight	1.5kg
Operation Temperature	-15°C to 55°C
Interface	Reset pulse by radar. Interface of operating track controller NMEA data (Reset, alarm, etc) DC12V power supply and reset of motion sensor and reset unit. Alarm signal for reset and alarm unit. NMEA data for Blackbox (VDR) Alarm interface for machine breakdown Interface for the external unit’ s alarm. Input/Output DC23V power supply and RS-232 communication for display unit.
RESET UNIT (BNW-52)
Power Consumption	max 34mA / unit (24V DC)
Size	126 (H) x 90 (W) x 30 (D) mm
Weight	0.2kg (flush type), 0.5kg (desk type), 0.5kg (watertight type)
Operation Temperature	-15°C to 55°C
Level of Water Resistance	IP67 (watertight type)
Level of Sound	Over 75dB
Function	Reset, visual alarm, 1st stage audible alarms are combined (You may choose one function if you wish to).
ALARM UNIT (BNW-53)
Power Consumption	max 30mA / unit (24V DC)
Size	126 (H) x 90 (W) x 30 (D) mm
Weight	0.2kg (flush type), 0.5kg (desk type)
Operation Temperature	-15°C to 55°C
Level of Sound	Over 75dB
MOTION SENSOR (DND-300M)
Power Consumption	Operating = 26mA / unit, Stand-by = 17mA / unit (12V DC)
Detection Method	Quad-element PIR and microwave pulse doppler
MW Frequency	10.525GHz
Size	115 (H) x 61 (W) x 37.5 (D) mm
Weight	120g (Bracket included)
Operation Temperature	-15°C to 55°C
Detective Angle	120° to 150°
Detective Range	15m (standard)
Pre-Heating Time	1 minute
STANDARD EQUIPMENT LIST	Display unit (BNW-50) ———- 1set Processor unit (BNW-51) ——– 1set Reset unit (BNW-52) ———– 3set Alarm unit (BNW-53) ———– 7set Motion sensor (DND-300M) —— 2set Installation Materials, Instruction Manual

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Roni Zayini
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