Dead Man Alarm DMA English brochure

sm electrics
Dead Man Alarm le guardian
2025
operating device LOD 222.24.0.0, 144x72mm
designed
for
retrofit
connecting module
LCM 210.24.0.0
over 5000
installations
 easy and comfortable use
 simple connections to all peripheral equipment
 easy to install - vessel crew / shipyard personnel installed the
vast bulk of systems
 intuitive system control - rotary encoder allows simple check of
all connected devices and settings
 type approved acc. to latest International Standard
 extensive BNWAS experience - first Type Approval awarded in
2005
safety on board
sm electrics
D M A l e g u a r d i a n 2025
sample system for standard vessels / platforms
Chief
1st Eng.
2nd Eng.
Mess Room
OFFICER‘s AREA
Existing XASystem (via IMCS)
Stage #2 Alarm
Operating Device
ENGINE CONTROL
ROOM
Connecting
Module
INSIDE CONSOLE
failure to
IMCS
24VDC
Reset & Alarm Release
Remote Start/Stop
ER Entrance
ENGINE ROOM
Remote Start/Stop
ER Entrance
Existing LSASystem
PRE-ALARM & STAGE #1
safety on board
sm electrics
D M A l e g u a r d i a n 2025
sample system for standard vessels / platforms
Chief
1st Eng.
2nd Eng.
Mess Room
OFFICER‘s AREA
Stage #2 Alarm Cabin Panels
Operating Device
ENGINE CONTROL
ROOM
Connecting
Module
INSIDE CONSOLE
failure to
IMCS
Reset & Alarm Release
Remote Start/Stop
ER Entrance
24VDC
Pre-Alarm & Stage #1
Remote Start/Stop
ER Entrance
ENGINE ROOM
safety on board
sm electrics
D M A l e g u a r d i a n 2025
sample system for small sized vessels (tug boats)
BRIDGE AREA
Operating Device
Connecting
Module
INSIDE CONSOLE
failure to
IMCS
24VDC
ENGINE ROOM
Reset & Alarm
Release
safety on board
sm electrics
Dead Man Alarm le guardian
2025
Light Signal Device
LSD 309.7.3.1
visual pre-alarm & audible stage #1 alarm
• The audible & visual alarm to reach the ER watch keeper can be
transferred via existing light signal columns, saving additional engine
room alarm devices
• sm electrics‘ scope of supply does cover modern and reliable light
signal alarm systems (LSAS) for engine room as well.
DEAD MAN ALARM time table
VISUAL / AUDIBLE
STAGE #2 ALARM
OFFICER‘s AREA
1
0
t [sec]
5
AUDIBLE
STAGE #1 ALARM
ENGINE ROOM
VISUAL
PRE-ALARM
ENGINE ROOM
VISUAL
PRE- ALARM
RESET UNITS
1
10
15
20
25
30
60
90
120
150
180
210
Summarised VISUAL PRE-ALARM
& AUDIBLE STAGE #1 ALARM limited to 3 min.
0
t [sec]
5
10
15
20
25
30
60
90
120
150
180
210
5
10
15
20
25
30
60
90
120
150
180
210
5
10
15
20
25
START: 1 min. before MAIN PERIODE is over
30
60
90
120
150
180
210
1
0
t [sec]
1
0
t [sec]
3… 27 min
SELECTED
MAIN PERIOD
safety on board
sm electrics
periphery equipment
system‘s remote
start/stop
engine room entrances
reset unit in wall box
pre-alarm indication
engine room
reset unit in wall box
pre-alarm indication
engine room
reset unit w. buzzer
pre-alarm & alarm stage #1
engine room
extension sounder
alarm stage #1
ECR area
alarm stage #2 panel
flush mounted
officer‘s cabin
alarm stage #2 panel
bulkhead mounted
officer‘s cabin
alarm stage #1 / #2 panel
flush or bulkhead mounted
ER & officer‘s public area
WAP 220.3.0.0
WAB 220.2.0.0
WAR 222.2.0.0
WAR 222.2.0.0 A
WAR 222.2.1.0
WAP 222.5.0.0
WAP 222.2.0.0
wall box to cover
1x LCM connecting module
relays & terminals (if required)
WAP 222.4.0.0
desk / wall / ceiling swivel bracket
for operating device
ECR area
WBC 210.1.0.0
WBC 210.1.0.0
TECHNICAL DATA & FEATURES



key-switch for lock / unlock
2 x 16 character blue light display shows all relevant
device and alarm states
rotary encoder with integrated push button - simple
and effective for user




integrated buzzer, eight individual sound
characteristics & volume adjustment
system voltage: 24VDC nominal (18… 31,2V)
connecting module designed for TS 35 terminal rail
emergency call facility (manual release from ER)
DMA-991040-20140823-1
sm electrics GmbH | Am Wulfsbarg 17 | 24217 Stakendorf | Germany
 +49 (0) 4344 819 23-10 | 
[email protected] | www.sm-electrics.de

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