BNWAS
The bridge navigational watch alarm system (BNWAS) is designed to monitor the awareness of the watch officer. If the watch officer is unable to perform duties, the system will automatically alert the captain or other capable watch officers.
Overview
Feature
One-key emergency alarm.
On-duty alarm automatic mode.
Power outage record.
Uses key selection for work modes
Level 1 alarm is suitable for outdoor work, with a high protection level;
Equipped with multiple input and output terminals for flexible configuration;
Features digital alarm signal output.
Three stage alarm installation location
1st stage alarm(IP65): bridge wings
2nd stage alarm(IP20): officer’s cabin area
3rd stage alarm(IP20):officer’s corridor
Item | Parameter | Item | Parameter |
Input voltage | DC24V(20-32V) | Signal input | Navigational call forwarding switch input |
AC110/220V50/60Hz/DC24V | Emergency call forwarding switch quantity input | ||
Signal output | External reset switch quantity input | ||
Power | <75W | System status switch output | |
Host display | Brightness adjustable | System status statement output(ALR) | |
Reset button light | Brightness adjustable | System fault switch output | |
Time accuracy | Alarm time accuracy better than 5% or 5s | Working temperature | -10℃—40℃ |
Tune | 1st stage alarm tones are adjustable in 8 tones | Working humidity | 10%-90% (relative) |
Volume | 1st stage alarm volume is adjustable | Host protection class | IP22 |
Volume adjustable | 1st stage alarm: 75～85db/1m | Connection module protection class | IP00 |
2nd stage alarm: 75～120db/1m | 1st stage alarm protection class | IP65 | |
Quiescent stage | Duration: 3-12min (optional) | 1st stage alarm/2nd stage alarm protection class | IP20 |
1st stage alarm | Duration: 15s | Host size(mm) | 144 *144 * 65 |
1st stage alarm | Duration: 15s | Host installation type | Seat-mounting, embedded-mounting |
2nd stage alarm | Duration: 90-180s (optional) | Connection module installation type | TS35 rail-mounting |
External equipment | Navigation control system, reset device, VDR | Alarm installation | Wall-type |
