Securitex DMAS Series A110/24.238.2006.V1
Securitex designed and manufactured the above Deadman alarm system
[Dead Man Alarm System]
Securitex DMAS Series A110/24.238.2006.V1 is developed to ease the installation on vessel as this unit come with built-in 110VAC power supply step down to 24VDC for the use on the 24VDC motor horn siren.
What is Securitex DMAS?
DMAS is a programmable countdown timer system that is pre-programmed at a certain time interval. This timer will countdown and upon time 杣p the Siren connected to the DMAS will sound reminding the Security personnel to go for their rounds. (The more complex system can be interface to system than can activate distress signal and event reporting etc OPTIONAL)
Where are Deadman Alarm System use?
Deadman alarm system are usually use on vessel. submarine. Floating Plate Form Off shore Rigs. where constant monitoring of the workers at a special location like the Boiler room. Engine Room. Bridge and wheel house etc.
Can the Deadman Alarm System be use in other application.
Other area of application can be in Hospital. Power Plant. Hotel Kitchen and even school of higher learning where the staff are station and work alone. For this Deadman Alarm System, they are integrated or interface to some monitoring devices that will sent distress signal to the Off site control room for monitoring.
How does the system works:
The system is preset at default 15 minute (Adjustable). Upon the 15 minute is up the timer 1 (T1) will kick in and activate the relay to trigger the baby siren. If the monitoring personnel do not reset the baby siren after say 10 minute (time is programmable), the second built-in timer (T2) will cut in and activate the 2nd relays to trigger the master horn siren. In the event the baby siren trigger and the monitoring personnel reset it, the system will automatically reset back to 15 minutes and re-count again. If after 10 minutes are up and the baby siren is not reset the master horn siren will trigger, in this instance to reset the system just press any reset button and the system will reset back to the original preset timing again.
Securitex Dead Man Alarm System (DMAS Series A110/24.238.2006.V1) detail system operation
When power is turn on, the DMAS will activate with T1 indicate 0015 (15 minutes). Immediately the T1 timer will count down from 0015 to 0000. At 0000/9999 the T1 (LED will turn on and R1 will activate. This R1 activation will trigger the Alarm 1 (Baby siren). If at anytime before the T1 time is up and the reset button is press, the T1 will reset back to 15 minutes and continue the T1 count down as indicated above. However if the reset button is not press T2 board will activate and display 0010 (10 minutes) and start counting down to 0000/9999. At this point the T2 (LED will turn on and R2 will activate this will trigger the Alarm 2 (Master horn siren). Till the reset button is press, both alarms will continue to sound.
To change the Count-down timing for Timer 1 (T1)
a. Press the (T1) SW1 for 1 second (the first digit of the 4 digit 7 segment display will blink).
b. Press SW2 to move the digit forward to the digit you want to change.
c. Press SW3 to decrease the digit and press SW4 to increase the digit
d. Exit programming by pressing SW1 after time set.
Example: 0015 indicated 15 minute
To change the Count-down timing for Timer 2 (T2)
Press and hold Button 6 (BU 6).
(T2) Timer board will be lighted up and indicate 0010.
Continue to hold Button 6 when programming (T2)
e. Press the (T1) SW1 for 1 second (the first digit of the 4 digit 7 segment display will blink).
f. Press SW2 to move the digit forward to the digit you want to change.
g. Press SW3 to decrease the digit and press SW4 to increase the digit
h. Exit programming by pressing SW1 after time set.
Example: 0010 indicated 10 minute
Note the T1 and T2 board.
When the Time out is up and the system is not reset, the T1 and T2 board will switch to 0000. After 1 minute the T1 and T2 will switch to 9999 and count down from 9999 to 9998 to 9997 etc厖 this is normal and the figure indicate the total time the siren had sounded.
The Default setting for [T1 is 15 minute] & [T2 is 10 minute]
T2 will only start counting down if T1 is not reset after 15 minute