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X150-U BNWAS Distribution Interface Unit

The X150-U Main interface unit is the central hub for connecting all peripheral equipment into the system.
A ribbon cable connects the unit to the Display and Control Panel. Additionally, two core cables connect from the X150-D to all other equipment.

Featuring screw terminals and push-out gland holes.

X150 BNWAS

Every aspect of the system has been designed to minimise costs and inconvenience for the shipowner. From the use of a simple 2-wire connection cable. And also to the functional design of the central distribution unit. Therefore, it allows for easy and trouble-free installation by the ship’s crew. The comprehensive installation manual provides for simple setup and commissioning.

An integrated ‘Duty Officer Selection’ function allows any combination of 5 cabins to receive the 2nd stage alert. Also, the X150-D Display Console shows the current BNWAS status. Including on/off status, countdown timer, alarm status, selected cabins, active reset devices, and system faults.

Internal or external mounting (on bridge wings) is available for reset buttons and alarms. Additionally, the volume of the alarms can be adjusted. For use in different areas such as passageways or ship’s offices. Where approved by Class, motion sensors may also be used on the bridge for more convenient timer resetting.

Also, see our BNWAS range.

Additional Information – MSC 86 legal background

A Bridge Navigational Watch Alarm System (BNWAS) has to be installed as follows:

• Ships of 150 gross tonnage and upwards and passenger ships irrespective of size constructed on or after 1st July 2011;
• Passenger ships irrespective of size constructed 1st July 2011. Not later than the first survey after 1st July 2011;
• Ships of 3,000 gross tonnages and upwards constructed before 1st July 2011, Not later than the first survey after 1st July 2012;
• Ships of 500 gross tonnages and upwards but less than 3,000 gross tonnages constructed before 1st July 2011. Not later than the first survey after 1st July 2013;
• Vessels of 150 gross tonnages and upwards but less than 500 gross tonnages constructed before 1st July 2011. Not later than the first survey after 1st July 2014;

**Please note that the LR Module D certificate has expired on this BNWAS system and that Module B will expire for new installs from Wednesday, 21^st June 2023. We are currently looking at BAM compliance for this system but will keep you advised on progress with this via the website.**

By AMI Marine

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