Siemens Cerberus DO1101A-Ex Technical Description Download | Manualshive

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Fire & Security Products

Siemens Building Technologies Group

06.2001

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Summary of Contents for Cerberus DO1101A-Ex

Page 1: ...berus DO1101AĆEx DT1101AĆEx DT1102AĆEx Wide spectrum smoke detector collective Heat detectors collective 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: ...operation 4 4 Environmental influences 5 4 1 Influence of the ambient temperature 5 4 2 Other influencing variables 5 5 Application 6 5 1 Compatibility 6 5 2 Alignment functions 6 5 3 Application 6 5 4 Installation 6 6 Commissioning 7 7 Maintenance 7 7 1 Functional check 7 7 2 Overhaul 7 7 3 On site measurement with the DZ1194 detector test set 7 8 Terms 8 ...

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

Page 5: ...apid and slow increase in temperature through Intelligently designed differential characteristics Precise maximum temperature alarm activation with quality thermosensor High degree of reliability and long term stability High resistance to Electromagnetic interference EMI intelligently designed circuit Soiling temperature fluctuations humidity and corrosion achieved through custom developed protect...

Page 6: ...s a local status indicator An external response indicator can be connected to the base For periodic factory cleaning the detector can be easily disas sembled The detectors are fully electronic and are not subject to wear and tear To protect it against environmental influences the electronic circuit has a specially developed circuit board protective coating The DB1101 detector base is mounted on th...

Page 7: ...Iie V mA Hz 1 5 6 max 50 1 1 5 6 max 50 1 1 5 6 max 50 1 f 0 5Hz Duty Cycle 50 depending on line module Capacitance detection line AI line 1nF 33nF 1nF 33nF 1nF 33nF Inductance detection line AI line 40µH 40µH 40µH Response sensitivity temperature increase dT dt 10K min EN 54 5 class A1R max release temperature EN 54 5 class BR max release temperature dT Ta Ta C C C 20 40 54 62 20 40 74 85 Electro...

Page 8: ...ernal response indicator 12 and an external response indicator 13 if available The alarm stage 11 is self holding and is restored to the initial condition only when reset by the system control unit through brief interruption of the operat ing voltage The intrinsically safe detector circuit is iso lated from the line circuit by protective diodes 14 ThermoRex DT1101 Ex DT1102 Ex The ThermoRex DT1101...

Page 9: ...ature OptoRex DO1101 Ex m 1 Ambient temperature 0 10 20 30 40 50 60 10 0 2 3 4 C ϑ 5 DO1101A Ex Fig 3 Smoke sensitivity of the OptoRex DO1101 Ex as a function of the ambient temperature 4 2 Other influencing variables Ambient light air drafts and fluctuations within the speci fied operating voltage range have no influence on the de tector ...

Page 10: ...s and installations in which in the event of fire a rapid increase in temperature is to be expected or where other types of detector cannot be used because work processes cause smoke dust exhaust gases etc The recommended monitoring areas distances between detectors etc can be found in the national guidelines the Cerberus Guide lines for Planning and Application CRP Fire Detection in Explo sion ha...

Page 11: ...s depending on the environmental conditions and the severity of contamination Important The DZ1193 and RE6T detector tester and the DZ1194 detector test set must only be used in areas where there is no explosion hazard Electrostatic danger The housing is made of plastic and has a surface resistance of 1GigaΩ which means there is a risk of electrostatic discharge Therefore the manual call point sho...

Page 12: ...c alarm threshold 60 C for explosion hazard areas DT1102 Ex ThermoRex heat detector with static alarm threshold 80 C for explosion hazard areas DZ1191 Detector exchanger DZ1194 Detector test set EMC Electro Magnetic Compatibility EMI Electro Magnetic Influence ESD Electro Static Discharge IRED Infra Red Emitting Diode KMK Load factor for collective elements NTC Thermistor Negative Temperature Coef...

Page 13: ...Back 9 Fire Security Products Siemens Building Technologies Group 06 2001 ...

Page 14: ...ts Siemens Building Technologies Group 06 2001 Document no Edition e1485b 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 ...

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