Siemens Cerberus DOT1151A-Ex Parts list manual

Cerberus® DOT1151AĆEx
Neural smoke detector, interactive,
intrinsically safe
Tec nical description
Fire & Security Products
Siemens Building Technologies Group

Data and design subject to change
without notice. / Supply subject to
availability.
E Copyright by
Siemens Building Technologies AG
ir behalten uns alle Rechte an
diesem Dokument und an dem in ihm
dargestellten Gegenstand vor. Der
Empfänger anerkennt diese Rechte
und wird dieses Dokument nicht ohne
unsere vorgängige schriftliche
Ermächtigung ganz oder teilweise
Dritten zugänglich machen oder
ausserhalb des Zweckes verwenden,
zu dem es ihm übergeben worden ist.
e reserve all rights in this document
and in the subject thereof. By
acceptance of the document the
recipient acknowledges these rights
and undertakes not to publish the
document nor the subject thereof in
full or in part, nor to make them
available to any third party without our
prior express written authorization,
nor to use it for any purpose other
than for which it was delivered to him.
Nous nous réservons tous les droits
sur ce document, ainsi que sur l'objet
y figurant. La partie recevant ce
document reconnaît ces droits et elle
s'engage à ne pas le rendre
accessible à des tiers, même
partiellement, sans notre autorisation
écrite préalable et à ne pas
l'employer à des fins autres que
celles pour lesquelles il lui a été
remis.
Ci riserviamo ogni diritto relativo al
presente documento e sull'oggetto
illustrato in esso. La parte che riceve
il documento si impegna a non
renderlo accessibile a terzi, né per
intero né in parte, senza la nostra
previa autorizzazione scritta ed a non
usarlo per altri scopi di quello per il
quale è stato rilasciato.

06.2001
I
Fire & Security Products
Siemens Building Technologies Group
1 Overview 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1 Characteristics 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2 Design 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Technical data 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.1 Algo-Parameter sets for DOT1151A-Ex 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 Design 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 Principle of operation (see block diagram Fig. 3) 7. . . . . . . . . . . . . . . . . . . .
5 Self-test / function state 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6 Emergency operation 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7 Response characteristics of the detector 9. . . . . . . . . . . . . . . . . . . . . . . . . . .
8 Environmental influences 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.1 Influence of the ambient air temperature 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.2 Other influencing variables 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9 Application 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.1 Compatibility 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.2 Adjustment functions / selection of parameter sets 10. . . . . . . . . . . . . . . . . . . . . .
9.3 Application 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.4 Wiring 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10 Commissioning 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11 Maintenance 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11.1 Diagnostic possibilities 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11.2 Functional check / overhaul 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12 Terms 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

II
Fire & Security Products
Siemens Building Technologies Group
06.2001

e1901a
1
Fire & Security Products
Siemens Building Technologies Group 06.2001
1 Overview
incl. base DB1151A
Dimensions
63
47...70
Ø 115
1.1 Characteristics
DFor application in explosion-hazard areas of zones 1 and 2
DHomogenous response behavior across a wide application spectrum
through freely programmable percentages of smoke and heat
DEfficient signal processing algorithms with downloadable, application specific
characteristics
for optimum detection reliability
DHigh-quality sensor system with temperature compensation
functions reliably also under critical environmental conditions
DHigh contamination resistance
through appropriate design of the measurement chamber, the protective grille
and automatic, continuous digital compensation
DComprehensive EMC concept based on the latest technology
allows installation also in difficult environments
DIntegrated multiple coincidence circuit
suppresses extreme electrical and optical interference signals
DState-of-the-art, microprocessor-controlled electronics
DTransmission of 4 different danger levels and function states each
DAutomatic, comprehensive self-test

e1901a
2
Fire & Security Products
Siemens Building Technologies Group 06.2001
1.2 Design
The PolyRex detector DOT1151A-Ex is installed in a modern, attractive, impact-resistant
plastic housing that fits unobtrusively into any room architecture. The detector is secured in
the DB1151A base with a vibration-proof bayonet fitting. Except for the identification mod-
ule that defines the installation location at the time the system is commissioned, the base
does not contain any electronic components.
The detector is equipped with a response indicator (red LED) to indicate alarm. Activated
from the control unit, the response indicator can also be programmed to provide informa-
tion for servicing purposes. Each detector is equipped with an output for connecting an ex-
ternal response indicator. This indicator is normally assigned to the connected detector but
it can also be assigned programmatically to any detector within the same object.
The detector is fully electronic and has no wearing parts. As protection against environ-
mental influences the electronic circuitry is shielded and the circuit board is coated with a
special protective varnish. For periodic factory overhaul the protective hood and grille can
be removed.
In explosion-hazard rooms the DB1151A detector base is mounted on the ceiling direct by
means of the recess box, or surface-mounted together with the DBZ1191 base attachment
and connected to the control unit with twin wire via a shunt Zener diode barrier and possibly
other devices. The base has spring terminals for connection.
Efficient installation, removal and testing of a detector is possible by means of the DZ1191
detector extractor and the RE6 testing unit. If an extension tube is used, work up to a ceiling
height of 7m can be performed without any further tools. A comprehensive range of base
accessories is available for special applications such as installation in humid environ-
ments, protection against unauthorized removal, etc.
IMPORTANT!
The DZ1193 optoelectronic detector tester and exchanger and the RE6T heat
detector tester may not be used in explosion-hazard areas!

e1901a
3
Fire & Security Products
Siemens Building Technologies Group 06.2001
2 Technical data
Normal ambient conditions, if nothing else is specified:
Temperature Ta=20°C (293K)
Air pressure: p = 1’000hPa (750 Torr)
Value
Parameters Symbol Unit min. typ. max. Conditions
Operating voltage UbV 18.5 28 modulated
Operating current
(quiescent condition) IbµA 300 ≤350
Capacity
Detection line
Response indicator line C CnF nF 1 ≤33
Inductance
Detection line
Response indicator line L LmH µH– ≤40
Baud rate kBd 4.8
Response sensitivity
(software setting dependent on
algorithms)
D1%/m 1.3 6.6 smoke sensitivity with paraffin
test aerosol
Compensation
Compensation speed
Voltage increase
for detection
Voltage increase
for detection/h
2
1 / 64
Self test interval min. 15
Response indicator:
Flashing interval times: bright
dark
Response indicator current
ms
s
mA
20
1.5
9
depending on control unit
Elektromagnetic compatibility E
EV/m V/m 50 30 1MHz...1GHz 1GHz...2GHz
Operating temperature Ta°C–25 +70
Humidity ≤34°C
>34°CrF abs. F % g/M3≤95 ≤35
Storage temperature Tl°C–30 +75
Connection factor for interactive
elements IMK 1
Colour: white ~RAL9010
Classification Standards for explosion-hazard areas:
Standards EN 54-7
Application category IEC 721-3: 3K8H EN50014
EN50020
Ex classification EEx ib IIC T4 (–25°C ≤Ta≤70°C )
Test category IEC 68-1: 25/070/42
Protection category EN60529 / IEC529: IP44
Ex approval DOT1151A-Ex:
PTB Nr. Ex-99.E.2154
Environmental compatibility:
–Easy to uninstall and disassemble
–Halogen-free plastic material identifiable through embossed code
Intrinsic safety:
Intrinsic safety «i»when using a certified shunt Zener diode barrier with the following data:
Riw280Ω
Uiv28V
Iiv100mA
Piv700mW

e1901a
4
Fire & Security Products
Siemens Building Technologies Group 06.2001
2.1 Algo-Parameter sets for DOT1151A-Ex
AlgoRex smoke sensitivity index (1)
Parameter set Operating state Without temperature influence With full temperature influence
Response time
when testing with
test gas (~seconds)
APS083S
present for danger level 3 with
smoke 3.5 60
APS083S absent 1.3 3.5 60
2) 3)
!special no response to smoke (only temperature
actuation)
present
APS005S absent 1 2 110
(Default) special no response to smoke (only temperature
actuation)
APS082S for China only: Similar as APS005S, but thermal behaviour changed according
to chinese standards.
present
APS015S absent 1 2 85 APS015S special no response to smoke (only temperature
actuation)
present 60
APS006S absent 1 2.5 40 APS006S special no response to smoke (only temperature
actuation)
present 75
APS085S absent 1.4 4.3 45 APS085S special no response to smoke (only temperature
actuation)
present
APS084S absent 1.5 2 240
2) 3)
!special no response to smoke (only temperature
actuation)
present
APS009S absent 2 4 110 APS009S special no response to smoke (only temperature
actuation)
present
APS019S absent 2 4 85 APS019S special no response to smoke (only temperature
actuation)
present 60
APS007S absent 2 5 40 APS007S special no response to smoke (only temperature
actuation)
present 60
APS081S absent 48 * 30 APS081S special no response to smoke (only temperature
actuation)
present
APS080SH absent 5.5 12 15
1) 2)
!special no response to smoke (only temperature
actuation)
present
Test mode absent 2 5 5
With the exception of test mode, the parameter sets listed here are arranged in order of
sensitivity (APS080SH is the most sensitive).
* Comment: Slightly corrected values compared to those noted in the help of
AlgoWorks EP5 (SR1) update 2.

e1901a
5
Fire & Security Products
Siemens Building Technologies Group 06.2001
Note: all values are approximative !
Smoke sensitivity: To simplify the comparison of smoke sensitivities between the
parameter sets, we are specifying an AlgoRex smoke sensitivity index for danger level 3.
Please note, that this index is a relative figure, where ”2”means an increased sensitivity by
a factor of 2 (compared to the parameter set with index ”1”); therefore the detector will alarm
at half the smoke density if measured in the CEN smoke tunnel acc. to EN54.
An AlgoRex smoke sens. Index of ”0”means ”no alarm with smoke only”.
Important: The parameter sets APS083S, APS084S and APS080SH must only be ap-
plied for special applications!
APS080: Caution, low security against false alarm! Parameter set with very high sensitivity
and extreme fast reaction time.
APS083: In mode ”present”, detection of smoke without temperature rise will not lead to a
danger level 3. This behaviour is outside the standard EN54–7; in mode ”absent”, EN54–7
is fulfilled.
APS084: This parameter set prevents nuisance alarms due to short and single nuisance
signals. Long or multiple events may lead to danger level 3.
1) The detector DOT1151-Ex with APS080SH can have a slightly lower electromagnetic
compatibility (APS081S passed EMC tests in the meantime).
2) Not available for temporary change of detector parameter set on CT/CI due to further
risks in application.
3) IMPORTANT NOTE regarding APS083 and APS084 (see info MI290):
Unfortunately there has been a mistaken parameter value in detector DOT1151A Index
”ke”; however, this mistake only affects behaviour in parameter sets 083/084. As a result,
the detector may not be able to go into alarm on reasonable smoke density!
--> You must never choose APS083 or APS084 with a detector DOT1151A with Index ”ke”!
As a simple rule of thumb, only use APS083 or APS084 with detectors DOT115x with
Technical Index ”_f” or later.
Detectors DOT1151A-Ex are not concerned by this fault.
The Index is shown on the detector label as two letters following the part number (e.g.
DOT1151A: ”P/N 486695 ke”); first letter means ”Schematic Index”, second letter means
”Technical Index”. Both are in alphabetical order.

e1901a
6
Fire & Security Products
Siemens Building Technologies Group 06.2001
3 Design
The heart of the PolyRex detectors DOT1151-Ex is a high-quality opto electronic measure-
ment chamber that screens off extraneous light but optimally detects light-colored and dark
smoke particles. The light source, the light stop and the light receiver are arranged in such a
way that the light from the source cannot directly reach the receiver (Fig. 1 and Fig. 2). Only
when smoke particles are present in the optical path does some of the scattered light reach
the receiver and produce an optical signal.
The temperature sensor (NTC) is located in the detector dome.
Due to its optimized optical system, the temperature sensor installed in a protective jacket,
shielded electronics and special circuit board coating this detectors are highly immune to
environmental influences such as temperature, humidity, corrosion and electrical interfer-
ence fields.
Intrinsically safe detectors are marked with the model number and the Ex label.
Light source
Light receiver
Transmitter optics Smoke particles
Light stop
Fig. 1 Principle of the scattered light measurement
Light source
Light receiver
Labyrinth
Smoke particles
Labyrinth Light stop
Section A - A’
A
A’
NTC temperature sensor
Fig. 2 Detector design