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 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 0183 Inputs 1 – 4 Serial Ports IEC 61162
Auto Mode Activation GPS/Heading Track Control IEC 61162
Speed Log Pulse Input (200 – 400 pulses)
Digital Free Contact NC / NO
Modbus PLC Ports 2
Ethernet PLC Port 1 (Optional)
Motion Sensors Ports Standard 2 (Expandable to 12)
Main Power Supply 110 – 230V AC 50 / 60Hz
Emergency Power Supply 24V DC
SELMA UPS 6 Hours independent Emergency Operation
System Configuration Security Removable Key / Password Protected (Master)
Dormant Period (Td) 3 -12 min
First Stage Warning Indication Active after Td
First Stage Alarm Td +15 sec
Second Stage Alarm Td +15 sec +15 sec
Third Stage Alarm Td +15 sec +15 sec +(90-180) sec * or omitted **
Bridge Remote Reset Stations Standard 6 (Expandable)
Watch Alarm, Emergency Call, Reset , Buzzer
Officers Cabin Station Standard 5 (Expandable)
Duty Call Lamp, Test Buzzer, Buzzer Activation
Public Spaces Sounders Standard 2 (Expandable)
Tamper Protection Separate Tamper Alarms Activation Protected
Supplementary PLC Outputs VDR, Ship General Alarm System
Optional NMEA Output $ALR, $AKN for VDR
Type Approved IMO MSC.128(75)
IEC60945 / IEC61162 / IEC62616:2010

For more details please visit the SELMA Bridge Inspector BNWAS site