NBK 100 LSN_Fire coupler_FS-OT-en-51_4998144498_01 ... - Bosch

Fire Alarm Systems | NBK 100 LSN Fire interfaceNBK 100 LSNFire interfaceFire Alarm Systems |NBK 100 LSN Fire interfaceFS-OT-en-51_4998144498_01 / NBK100LSN• Connection of two primary lineswith up to 32 conventional firedetectors each• Alarm criteria of the primary linesadjustable via switches• Pulsed generation in case of alarmfor the triggered detector• Monitoring of the primary lines foralarm, interruption, and shortcircuit• Integrated buzzer for test alarmThe NBK 100 LSN fire interface is used if conventional firedetectors are connected to the Local SecurityNetwork (LSN).It facilitates the integration of existing conventionalequipment into the latest bus technology.System OverviewM32M32M32Pos.Description1 Fire panel2 LSN elements3 Loop4 Tee-off5 Primary linesM1-M32M M NBK2 11003LSN152 2 2 2M M M M4 32 1BSNBK4100M M M M LSN4 3 2 1Conventional fire detector2222FunctionsIn the event of an alarm, the flash rate of the LED on thedetector in alarm is controlled by switching the current limit.Two alarm criteria can be detected and set via switches(S1 and S2):- Line current increase- Line voltage drop.The integrated buzzer can be used to signal test alarms.Message transmission from the conventional fire detectors tothe LSN interfaces is in analog format (individual detectoridentification is not possible).Parts includedQty.Components1 Interface housing for surface mounting1 Interface circuit board NBK 100 LSN1 Galvanic isolator GAT 1001 Bag with connection accessoriesCertifications and ApprovalsVdS ID number: G 293 017Security you can rely on.

2 | NBK 100 LSN Fire interfaceInstallation/Configuration Notes• When installing the interface in a central unit or in caseof redundant power supply, VdS allows a maximum of32 conventional detectors per primary line (2 primarylines x 32 detectors = 64 detectors).• If the power supply can fail due to simple errors,according to VdS guidelines, a maximum of 32conventional detectors per NBK 100 LSN can beconnected.• The power supply of the LSN part in the NBK 100 LSNis supplied via the two wires of the LSN line.• A separate power supply via a second wire pair isrequired for the evaluation electronics of the connectedconventional fire detectors.• For the separate power supply of subsequent LSNinterfaces, a second wire pair can be looped through.Technical SpecificationsNBK 100 LSN Fire interfaceOperating voltage- LSN element+10 V DC . . +33 V DC- other interface functions +20 V to . . +30 V DCCurrent consumption- LSN element3.5 mA- other interface functions:- stand-by18 mA + n x 0.1 mA or23 mA + n x 0.1 mA (with GAT)(n = number of detectors)- alarm86 mAConnection2 DC current primary lines forconventional twin-wire detectors(conventional technology)EN 60529 Protection categ. IP 30EN 54 T2 Environm. class IRoom environmentDIN 40040 R14Permissible operating 0 °C . . +50 °CtemperatureHousing- materialplastic, ABS Terluran- colorlight-gray, RAL 9002- dimensions (W x H x D) 100 x 135 x 35.7 mmWeight140 g approx.Ordering InformationNBK 100 LSN Fire interface 664998117756Bosch Security SystemsFor more information please visitwww.boschsecuritysystems.comModifications reserved | Printed in Germany | FS-OT-en-51_4998144498_01 / NBK100LSN | Printer | 07/04