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Control & Automation

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BWMS (Bridge Watch Monitoring System)

The purpose of a Bridge watch monitoring system(BWMS) is to monitor bridge activity and detect operator disability which could lead to marine accidents.

The system conforms to the requirements of IMO resolution MSC.128(75)Performance standards for a Bridge Navigational Watch Alarm System (BNWAS) and the bridge class notations for “one-man bridge operation”. The system monitors the awareness of the Officer of the Watch (OOW) and automatically alerts the Master or another qualified OOW if for any reason the OOW becomes incapable of performing the OOW.s duties. This purpose is achieved by a series of indications and alarms to alert first the OOW and, if he is not responding, then to alert the Master or another qualified OOW. Additionally, the this system’s may provide the OOW with a means of calling for immediate assistance if required. The BWMS should be operational whenever the ship.s autopilot system is engaged, unless inhibited by the Master.

And alarm display to receive up to external alarm signals from miscellaneous bridge equipment.

Functions

  • Visual & Audible alarm and warning.
  • Adjust system timers (password protected).
  • Change the system mode (password protected).
  • Call and selection of back-up navigator.
  • Emergency call.
  • Alarm reset buttons.
  • Setup and display of Bridge/navigation equipment alarms.

Specifications

Operating Unit
  • Operating environment
    • Operating temperature : 0℃~55℃
    • Relative Humidity : 5~95% without condensation
  • Power consumption : 70watts(2.9A at 24Vdc)
  • Supply voltage : 18~32Vdc
Operating Unit
Distributed Unit
  • Operating environment
    • Operating temperature : 0℃~55℃
    • Relative Humidity : 5~95% without condensation
  • Power consumption : 40watts
  • Supply voltage : 24Vdc
Distributed Unit
SYSTEM CONFIGURATION
SYSTEM CONFIGURATION
ALARM SEQUENCE
ALARM SEQUENCE 1
ALARM SEQUENCE 2
  • System start (Auto mode/Manual On mode)
  • Once operational, the alarm system should remain dormant for a period of between 3 to 12 min (T1).
    At the end of this dormant period, the alarm system should initiate a visual indication on the bridge.
  • If not reset, additionally sound a 1st stage audible alarm on the bridge 15 s after the visual indication is initiated.
  • If not reset, additionally sound a 2nd stage remote audible alarm in the back-up officer.s and/or Master.s location 15 s after the 1st stage audible alarm is initiated.
  • If not reset, additionally sound a 3rd stage remote audible alarm at the locations of further crew members capable of taking corrective actions 1 to 3 min (T2) after the 2nd stage remote audible alarm is initiated.

OPERATION

Main View
Main View
  • Display of system mode
  • Display of system status
  • Display of current stage
  • Display of setting time for each stage
  • Display of elapsed time for each stage
Logout (in Default)
Setup View
  • Logout (in Default)
Login (in Master)
Setup View
  • Login (in Master)
    • Date & Time change
    • Display of current user and Login/Modify/Logout
    • Sound and lamp test
    • Change the system mode and Timers
    • Title change of Back-up user(s)
Alarm view
Alarm view
  • Display of alarm time and description.
  • Goto alarm history button.
  • Goto alarm setup button.
Alarm History
Alarm History
  • Alarm time / Acknowledge time / Description display
  • Alarm messages to store in the internal memory. (Max. 200)
Channel information message
  • Channel information message
Change Alarm
  • Change description: maximum 40 characters
  • Change Alarm Level: Normal or Close
  • Change Alarm Delay: minimum 0 to 60 seconds Change Alarm check: Enable or Disable