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Ex-ApoDisc_DBL_LST_EN_0804.PDF • PAGE 1
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Building Safety. Building Security.
IS Optical Smoke Detector AOEX-55000-640
• ADM loop technology with
Apollo/Discovery protocol
• Optical smoke detector
• Thermal detector
• Safety barrier with galvanic isolation
• Protocol interface for communication
with the fi re detection control panel
• ATEX certifi ed
Specifi cations
The addressable Intrinsically Safe Optical Smoke De-
tector AOEX-55000-640 (fi g. A) uses the scattered light
principle and was developed for the detection of smo-
ke particles in hazardous areas. The smoke detector
must always be connected via a safety barrier, which
has been approved for this detector, and a protocol
interface. Furthermore, the relevant country specifi c
regulations always have to be observed.
The proven ADM loop technology with Apollo/Discovery
protocol establishes a permanent communication be-
tween the fi re detection control panel and the detector.
That ensures a periodical function testing of the detec-
tor. In the control panel all types of fi res are detected by
continuously comparing fi re patterns.
Intelligent evaluation algorithms use the current condi-
tion of the sensing chamber to predict the likely time
of the next maintenance. Thus the alarm threshold is
automatically adjusted within the permissible range, de-
pending on the contamination. With that, the constant
response sensitivity of the detector is ensured for a
long time.
The two LEDs with 360° visibility indicate the activated
condition of the detector. The detector address is se-
lected by means of a code card in the detector base.
Therefore the detector can be changed without additi-
onal tools.
The detector is inserted into the IS Detector Base ASEX-
45681-215 (not illustrated) and it can be protected
against theft.
Ignition protection
intrinsically safe
Ex classifi cation
EEx ia IIC T5
Operating voltage
Supply through loop voltage
Current consumption
typ. 340µA (quiescent)
Ambient temperature
-20°C to +40°C (no condensation or icing)
Relative humidity
0 – 95% (no condensation)
Dimensions ø × H
100 × 42 (mm)
Colour
white
Weight
100g
fi g. A
fi g. B
fi g. C
fi g. D
