System Design

SELMA Bridge Inspector Bridge Navigational Watch Alarm System (BNWAS) is the world’s first type approved BNWAS with a touch screen, complying with and exceeding the latest 2010 IMO, SOLAS, IEC rules and regulations.
Bridge Inspector is designed for intuitive operation, easy installation and integration with existing and new built vessel bridges.

SELMA Bridge_Inspector_BNWAS_Bridge_Navigational_Watch_Alarm_System_1

Bridge Inspector is future-proof, as it can be easily adopted to any new and special requirements.

Please contact us for more details.

Bridge Inspector general technical specifications and subsystem details:
Main System:
Optional:
SELMA BNWAS Installation Plans 5

Technical Specification

Bridge Inspector Technical Specifications Main Display Unit TFT Touch Screen Type Alternative 1 : Amber Monochrome Alternative 2 : Colour (65,536 colors) Main Processor Unit PLC (Programmable Logic Controller) PLC Digital I/O Standard 36 (max 256) Operation Modes (Protected) Automatic / Manual On / Manual Off Auto Mode NMEA Speed 4,800 – 38,400 bps NMEA …

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SELMA BNWAS - Flush Mounted Main Bridge Touch Screen Monitor Unit Variants

Bridge Touch Screen Monitor Unit

Main Bridge Touch Screen Technical Specifications Main Display Unit TFT Touch Screen Type Alternative 1 : Amber Monochrome Alternative 2 : Colour (65.536 colors) Communication Interface Port COM1 RJ45 / RS232C / RS485 Modbus Protocol Mounting Type Flush Mounted (Standard) / Desk Mounted (Optional) Max Data Transmission Speed 115,400 bps Audible Alarm 75 – 78 …

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SELMA BNWAS - Main PLC Control Panel Inside View

PLC Control Panel

Main PLC Control Panel Technical Specifications Main Processor Unit PLC (Programmable Logic Controller) PLC Digital I/O Standard 36 (max 256) Operation Modes (Protected) Automatic / Manual On / Manual Off Duty Officer’s Selection Function Master, 1st / 2nd / 3rd / 4th Duty Officer Auto Mode NMEA Speed 4,800 – 38,400 bps NMEA 0183 Inputs …

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SELMA BNWAS - Bridge Audio-Visual Alarm Station

Bridge Remote Stations

Bridge Remote Reset Audio-Visual Alarm Stations Technical Specifications Dimensions 130 x 94 x 79 mm (HxWxD) Ingress Protection IP 65 Time Reset Function 1 Watch Alarm 1 Emergency Call 1 Buzzer 1 (75-85 dB – Independent Tones) Tamper Proof Yes Illumination Day / Night Modes Locations Bridge Fwd Port and Bridge Fwd Stbd Other Locations: …

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SELMA BNWAS - Officer's Cabins Remote Audio-Visual Alarm Station

Officer’s Remote Alarm Stations

Officer’s Cabins Remote Audio-Visual Alarm Stations Technical Specifications Dimensions 130 x 94 x 79 mm (HxWxD) Ingress Protection IP 65 Watch Alarm 1 OOW Duty Indication 1 Buzzer 1 (75-85 dB – Independent Tones) Tamper Proof Yes Local Test Buzzer Yes Locations Master / 1st Officer / 2nd Officer / 3rd Officer Main System: Main …

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SELMA BNWAS 3rd Stage Public Areas Sounder

Public Spaces Sounders

Public Spaces Sounders Technical Specifications In case of Ship Owner request External Sounders can be also installed on public spaces. Rated Voltage 24V DC Operating Temperature -25°C…+55°C Sound Level 100 dB Main System: Main Bridge Touch Screen Monitor Unit Main PLC Control Panel Bridge Remote Reset-Visual-Audible Alarm Stations Officer’s Cabins Remote Visual-Audible Alarm Stations Public …

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SELMA BNWAS - Main PLC Control Panel Inside View

AC/DC Power Supply Unit

AC/DC Power Supply Unit Technical Specifications Ship’s Main Power Supply 110 – 230V AC Ship’s Emergency Power Supply 24V DC Power Change Over Switch Function Automatic (110/230V AC – 24V DC) Harmonics Filter AC/DC Included Location Inside Main Control Panel Main System: Main Bridge Touch Screen Monitor Unit Main PLC Control Panel Bridge Remote Reset-Visual-Audible …

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SELMA BNWAS - UPS Module

UPS Battery Charger

SELMA BNWAS comes standard with a 110-230V AC / 24V DC power supply unit enclosed in the Main Control Panel, which connects both to the ship’s AC mains as well as the ship’s 24V DC emergency power supply (Bridge Emergency Batteries). Upon request, a dedicated uninterruptible power supply (UPS) unit is available. The UPS/Battery charger …

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SELMA BNWAS - NMEA Signal Processing Module

NMEA 0183 v4.0 (IEC 61162-1:2011) Signal Processing Module

The ship’s heading / track control systems (Autopilot $–HTD and GPS $GPVTG) determine the Automatic Operational Mode, as required by IEC 62616:2010. By default, SELMA BNWAS is using NC / NO contacts for interfacing to the ship’s heading / track control systems. If required and available on the ship, the related NMEA 0183 v4.0 (IEC 61162-1:2011) …

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PIR-MW Motion Detector

As described in IEC 62616:2010, the reset function can be also initiated by devices registering physical activity and mental alertness of the OOW. Bridge Inspector supports the integration of various such devices. Upon owners request, one or more SELMA Type Approved, hybrid Passive Infrared (PIR) / active microwave, motion detector sensors can be used as …

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