Siemens Cerberus DOT1151A-Ex, Technical Description

Page 1: ...Cerberus DOT1151AĆEx Neural smoke detector interactive intrinsically safe Technical description Fire Security Products Siemens Building Technologies Group ...

Page 2: ...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 par...

Page 3: ...lf 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 ...

Page 4: ...II Fire Security Products Siemens Building Technologies Group 06 2001 ...

Page 5: ...bility D High quality sensor system with temperature compensation functions reliably also under critical environmental conditions D High contamination resistance through appropriate design of the measurement chamber the protective grille and automatic continuous digital compensation D Comprehensive EMC concept based on the latest technology allows installation also in difficult environments D Inte...

Page 6: ...ully 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 t...

Page 7: ...al 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 E V m V m 50 30 1MHz 1GHz 1GHz 2GHz Operating temperature Ta C 25 70 Humidity 34 C 34 C rF abs F g M3 95 35 Storage temperature Tl C 30 75 Connection factor for interactive elements IMK 1 Colour white RAL9010 Classification Standards...

Page 8: ...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...

Page 9: ... 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 ...

Page 10: ...ght 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 Intri...

Page 11: ...approx 15 minutes The sensor specific functions are implemented in the application specific integrated circuit ASIC 2 Centrally located is the sequence control 3 It produces among other func tions a current pulse in light transmitter 13 which is monitored by the µP The light receiver 12 produces a signal current if smoke penetrates into the sensor chamber This current is amplified and integrated i...

Page 12: ...l RI 19 under control of the control unit 5 Self test function state Periodically and on request by the control unit a comprehensive detector self test is initi ated which monitors the IRED current the signal amplifier and the EEPROM Also periodically monitored are the compensation value NTC the line voltage etc The entire signal path is monitored with the compensation value If the basic pulse val...

Page 13: ...site on the selected parameter set and on the activated operating mode day night special renovation test and switched off The current operating mode is signalled to the detectors by the control unit in intervals of approx 3 seconds The algorithms contain for example filters for suppressing transient interference vari ables Slow changes caused by contamination are compensated by the automatic digit...

Page 14: ... life No ban on smoking Offices warehouses electric vehicle traffic congress centers APS085S Medium to high concentration of valuable property Person self rescue is possible No ban on smoking little thermal influence Museums warehouses offices APS084S Low concentration of valuable property no direct danger to life low risk of smouldering fire Aerosols arise briefly at times without simultaneous th...

Page 15: ...DT1151A Ex DM1153 54 Ex or DF1151 Ex may be connected A maximum of 32 devices with IMK1 may be connected to a stub line total of all devices before and after the shunt Zener diode barrier T branches T TAP are admissible The Ex devices do not have a disconnection function Within the explosion hazard area per detector base DB1151A only one external response indicator DJ1191 Ex DJ1192 Ex or AJUT24 Ex...

Page 16: ...ansmit 4 events to the control unit Stage of danger 0 quiescent value Stage of danger 1 potential danger Stage of danger 2 probable danger Stage of danger 3 highly probably danger Danger level 1 To provide early warning in locations which are difficult for intervention the number of times danger level 1 is exceeded is counted by the control unit Upon reaching a pre pro grammed level the message Ap...

Page 17: ...laced and factory overhauled in intervals of 6 to 8 years depending on the environmental conditions and the severity of contamination see also Maintenance instructions document e1386 manual CS11 2 section 6 Important The DZ1193 optoelectronic detector tester and exchanger as well as the RE6T detector tester must not be used in explosion hazard areas If mechanically damaged detectors must be scrapp...

Page 18: ...rnal response indicator AJUT24 Ex External response indicator DOT1151A Ex PolyRex Smoke Heat detector DZ1191 Detector extractor DZ1193 Optoelectronic detector tester and exchanger E3M171 Line module EEPROM Electrical Erasable Programmable Read Only Memory EMC Electro Magnetic Compatibility EMI Electro Magnetic Influence ESD Electro Static Discharge IRED Infra Red Emitting Diode ILK Interactive lin...

Page 19: ...Back 15 Fire Security Products Siemens Building Technologies Group 06 2001 ...

Page 20: ...ts Siemens Building Technologies Group 06 2001 Document no Edition e1901a 06 2001 Siemens Building Technologies AG CHĆ8708 Männedorf Alte Landstrasse 411 Tel Fax www cerberus ch 41 1 922 61 11 41 1 922 64 50 Manual DS11 Section 6 ...