Bridge Alarm System// Bridge Inspector - Bridge Navigational Watch Alarm System BNWAS

Bridge Alarm System combines BNWAS and Bridge Alert Management System concentrating all the alarms from Navigation Instruments in Centralized Touch Screen.

SELMA Bridge Inspector BNWAS Bridge Navigational Watch Alarm System comprises of state-of-the art control and instrumentation technology with maximum performance capabilities, implementing monitoring and alarm function operation.

SELMA Bridge Inspector BNWAS comprises the following equipment:

  • Main Display Unit (Touch Screen)
  • Main PLC Panel
  • UPS/Battery Charger Panel
  • Bridge Remote Reset/Audible and Visual Alarm Stations
  • Officer’s Cabins Remote Alarm/Sounder Stations
  • Public Spaces Sounders
  • Bridge Motion Detectors (Optional)
SELMA Bridge Alarm System - Bridge Alert Management System BAMS
SELMA Bridge Alarm System - Bridge Alert Management System
SELMA Bridge Alarm System - Nautical Alarm System

Bridge Inspector Technical Specifications

Main Display UnitTFT Touch Screen Type
Alternative 1 : Amber Monochrome
Alternative 2 : Colour (65,536 colors)
Main Processor UnitPLC (Programmable Logic Controller)
PLC Digital I/OStandard 36 (max 256)
Operation Modes (Protected)Automatic / Manual On / Manual Off
Auto Mode NMEA Speed4,800 – 38,400 bps
NMEA 0183 Inputs1 – 4 Serial Ports IEC 61162
Auto Mode ActivationGPS/Heading Track Control IEC 61162
Speed Log Pulse Input (200 – 400 pulses)
Digital Free Contact NC / NO
Modbus PLC Ports2
Ethernet PLC Port1 (Optional)
Motion Sensors PortsStandard 2 (Expandable to 12)
Main Power Supply110 – 230V AC 50 / 60Hz
Emergency Power Supply24V DC
SELMA UPS6 Hours independent Emergency Operation
System Configuration SecurityRemovable Key / Password Protected (Master)
Dormant Period (Td)3 -12 min
First Stage Warning IndicationActive after Td
First Stage AlarmTd +15 sec
Second Stage AlarmTd +15 sec +15 sec
Third Stage AlarmTd +15 sec +15 sec +(90-180) sec * or omitted **
Bridge Remote Reset StationsStandard 6 (Expandable)
Watch Alarm, Emergency Call, Reset , Buzzer
Officers Cabin StationStandard 5 (Expandable)
Duty Call Lamp, Test Buzzer, Buzzer Activation
Public Spaces SoundersStandard 2 (Expandable)
Tamper ProtectionSeparate Tamper Alarms Activation Protected
Supplementary PLC OutputsVDR, Ship General Alarm System
Optional NMEA Output $ALR, $AKN for VDR
Type ApprovedIMO MSC.128(75)
IEC60945 / IEC61162 / IEC62616:2010

For more details please visit the SELMA Bridge Inspector BNWAS site