Siemens Cerberus DOTE1152 Stücklistenhandbuch

Cerberus®DOTE1152

Multi criteria smoke detector,

interactive

Technical description

Fire & Security Products

Siemens Building Technologies Group

Data and design subject to change

without notice. / Supply subject to

availability.

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Siemens Building Technologies AG

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10.2002

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 DOTE1152 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3 Design 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4 Operating principle (see block diagram Fig. 3) 7. . . . . . . . . . . . . . . . . . . . . . .

5 Selftest/Functional state 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6 Emergency operation 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7 Line disconnector function 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8 Response behaviour of the detectors 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9 Environmental influences 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9.1 Influence of the ambient temperature 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9.2 Other influencing variables 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10 Application 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10.1 Compatibility 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10.2 Adjustment functions/Selection of the parameter sets 11. . . . . . . . . . . . . . . . . . .

10.3 Application 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10.4 Installation 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11 Commissioning 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12 Maintenance 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12.1 Diagnostic possibilities 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12.2 Performance check/Overhaul 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

13 Terms 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fire & Security Products

Siemens Building Technologies Group

10.2002

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Fire & Security Products

Siemens Building Technologies Group 10.2002

1 Overview

Dimensions

47...70

Ø 115

incl. base DB1151

1.1 Characteristics

High immunity to deceptive phenomena

combined with high detection sensitivity

Homogenous response behaviour across a wide application spectrum

by freely programmable percentages of smoke, heat and CO gas

Extremely early reaction to all fires generating CO

Efficient signal processing algorithms with remotely

adjustable, application–specific characteristics

for optimum detection reliability

High–quality sensor system with temperature compensation

operates reliably also under critical environmental conditions

CO sensor as an additional evaluation criterion,

besides scattered light sensor and temperature measurement

High resistance to soiling

by appropriate design of the measurement chamber, the protective grille and

automatic, continuous digital compensation

Comprehensive EMC concept based on the latest technology

allows application also in difficult environments

Integrated multiple coincidence circuit

suppresses extreme electrical and optical interference signals

State–of–the–art, microprocessor–controlled electronics

Transmission of 4 different danger levels and

functional states each

Automatic, comprehensive selftest

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1.2 Design

The PolyRex detector DOTE1152 is installed in a modern, attractive, impact–resi-

stant plastic housing that fits unobtrusively into any room architecture. The detector

is secured in the interactive DB1151 base with a vibration–proof bayonet fitting. Ex-

cept for the identification module 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. Acti-

vated from the control unit, the response indicator can also be programmed to pro-

vide information for servicing purposes. The detector is equipped with an output for

connecting an external response indicator. This indicator is normally assigned to the

connected detector, but it can also be assigned programmatically to any detector wit-

hin the same object.

The detector is fully electronic and has no wearing parts. As protection against envi-

ronmental 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.

The DB1151 detector base can either be flush mounted directly on a recessed box in

the ceiling, or surface mounted with the DBZ1191 base attachment. It is connected to

the control unit via a two–wire line. Spring terminals are provided for wiring the base.

Efficient installation, removal and testing of the detector is possible by means of the

DZ1191 detector extractor, the RE6 detector tester and the DZ1193 opto-electronic

detector exchanger and tester. The response behaviour of the detector to CO gas

can be tested with the DZE1152 CO detector tester. If an extension rod is used, work

up to a ceiling height of 7 m can be performed without any further tools. A compre-

hensive range of base accessories is available for special applications such as in-

stallation in humid environments, protection against unauthorized removal, etc.

The DOTE1152 is provided with a line isolation function.

As a distinctive feature, the DOTE1152 detector is marked with a yellow circle which

is visible when the detector is installed.

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Siemens Building Technologies Group 10.2002

2 Technical data

Normal ambient conditions, if nothing else is specified:

Temperature Ta=20°C (293K)

Air pressure: p = 1’000hPa (1’000mbar) Value

Parameters Symbol Unit min. typ. max. Conditions

Operating voltage UbV 21.2 33.3 modulated

Operating current

(quiescent condition) IbµA 400 600

Baud rate kBd 4.8

Response sensitivity

(software settings dependent on

algorithms)

D1%/m 1.3 6.6 smoke sensitivity with

paraffin test aerosol

Compensation

Compensation speed

Voltage in-

crease for

detection

Voltage in-

crease for

detection/h

1.5

1 / 64

Selftest interval min 15

Test limit for CO gas

(Detector in test mode) ppm CO 6 Alarm indicator slowly

flashing

(after 4 sec.)

Response indicator: external

Flashing interval times: bright

dark

Response indicator current

1.5

2 connectable

depending on control unit

Elektromagnetic compatibility V/m

V/m 50

30 1MHz...1GHz

1GHz...2GHz

Operating temperature Ta°C–25 +65

Humidity %rH 15 90 No moisture condensation!

Storage temperature Tl°C–30 +70 In hermetically sealed

packaging!

Connection factor IMK 2

Line separator factor ITK 1

Colour: white ~RAL9010

Classification

Standards EN 54-7

Test category IEC 60068-1: 25/065/21

Protection category IEC 60529: IP44

Environmental compatibility:

Easy to overhaul

Easy to uninstall and disassemble

Halogen-free plastic material identifiable through embossed code

Note:

The specified ambient conditions in accordance with the technical data must be met, to avoid a reduction of the

service life of the CO sensor.

e4070e

Fire & Security Products

Siemens Building Technologies Group 10.2002

2.1 Algo-Parameter sets for DOTE1152

AlgoRex smoke sensitivity index (1)

Parameter set Operating state without temperature in-

fluence with full temperature

influence

Response time

when testing with

test gas (~seconds)

manned 1 -> 2 * 2 -> 5 * 110 -> 60

APS204SE unmanned * increasing with CO * increasing with CO 110 -> 40

!special no response to smoke (only temperature

actuation)

manned 1 -> 2 * 2 -> 5 * 110 -> 60

APS207SE unmanned * increasing with CO * increasing with CO 110 -> 40

2) special no response to smoke (only temperature

actuation)

manned 1 -> 2 * 2 -> 5 * 110 -> 60

APS213SE unmanned * increasing with CO * increasing with CO 110 -> 40

(Default) special no response to smoke (only temperature

actuation)

manned 2 -> 4 * 5 -> 8 * 60

APS216SE unmanned * increasing with CO * increasing with CO 40 -> 30

APS216SE special no response to smoke (only temperature

actuation)

manned

Testmode unmanned 2 5 5

With the exception of test mode, the parameter sets listed here are arranged in order

of sensitivity (APS216 is the most sensitive).

Note: All values are typical!

Smoke sensitivity: To simplify the comparison of smoke sensitivities between the

parameter sets, we are specifying an AlgoRex smoke sensitivity index.

Please note, that this index is a relative figure. ”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 sensitivity index of ”0”means ”no alarm with smoke only”.

* The smoke sensitivity of the DOTE1152 changes depending on the temperature

and the CO signal. If CO is detected, the sensitivity level of the detector is increased;

in atmospheres without CO the detector reacts with normal sensitivity.

1) APS204: In addition, a special filtering method is applied for the detection of de-

ceptive phenomena, also when CO is present. (Priority deceptive phenomenon.)

Under certain conditions, this parameter set does not fulfil the normative require-

ments on test fires according to EN54-7.

2) APS207: In addition, a special filter is used for the detection of deceptive pheno-

mena if no CO is present. (Priority CO.)

Furthermore, it is possible to use the parameter sets of the DOT1151/52 without CO

signal evaluation (see Technical specification, document no. 1027).

e4070e

Fire & Security Products

Siemens Building Technologies Group 10.2002

3 Design

The core of the PolyRex detectors DOTE1152 is a high–quality, opto-electronic mea-

suring chamber, hat screens off extraneous light but optimally detects light–coloured

and dark smoke particles. The light source, the light stop and the light receiver are

aranged in such a way that the light rays from the source cannot directly reach the

receiver (Fig. 1 und Fig. 2). Only when smoke particles are present in the path of

rays does some of the scattered light reach the receiver and produce an optical si-

gnal.

The temperature sensor (NTC) is located in the detector dome.

The electrochemical CO gas sensor is installed on a sub print. This sub print with the

sensor is mounted and fixed through an opening in the cover on the detector base

side.

Due to their optimized optical system, the temperature sensors installed in a protec-

tive envelope, shielded electronics and special circuit board coating, these detectors

are highly immune to environmental influences such as temperature, humidity,

corrosion and electrical interference fields (keep to the technical data).

Light source

Light receiver

Transmitter optics Smoke particles

Light stop

Fig. 1 Principle of the scattered light measurement

e4070e

Fire & Security Products

Siemens Building Technologies Group 10.2002

Light source

Light receiver

Labyrinth

Smoke particles

Labyrinth Light stop

Section A - A’

A’

NTC temperature sensor

CO-Sensor

Fig. 2 Detector design

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