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FLM‑420‑NAC Signaling Device Interface Modules

  • FLM‑420‑NAC Signaling Device Interface Modules make it possible to monitor and activate a group of signaling devices (NAC = Notification Appliance Circuit) in the Local SecurityNetwork LSN. Each interface module offers one monitored primary line. This means one signaling device line can be connected to LSN fire panels.

 

  •  Rotary switches for automatic or manual address setting 
  • Control of signaling device line by pole reversal 
  • Synchronized activation of all signaling devices connected to a LSN module via FLM‑420‑NAC Signaling Device Interface Module 
  • Ten different output signals via LSN selectable 
  • Maintains LSN loop functions in the event of wire interruption or short-circuit thanks to two integrated isolators
  • Available with surface-mounted housing or DIN rail adapter

 

 

Input voltage 15 V DC to 33 V DC
Max. current consumption  
from LSN 6,06 mA (normal operation and alarm)
from external power supply 15 mA (normal operation) + output current
External power supply 20,4 V DC to 29 V DC
Max. output current 3 A (during an alarm, from ext. power supply)
EOL resistance 3.9 kΩ
   
Display elements  
Red LED Alarm
Green LED Normal operation
LSN/Address setting 3 rotary switches for
Mode LSN "classic" or LSN improved version  
Automatic or manual addressing
Connections 12 threaded clamps
Max. wire diameter for terminals 3.3 mm2 (12 AWG)
Housing material  
Interface module PPO (Noryl)
Surface-mount housing ABS/PC-Blend
Housing color  
Interface module Off-white, similar to RAL 9002
Surface-mount housing Signal white, RAL 9003
Dimensions  
FLM-420-NAC-S Approx. 126 x 126 x 71 mm(4.96 x 4.96 x 2.8 in.)
FLM-420-NAC-D (with DIN rail adapter) Approx. 110 x 110 x 48 mm(4.33 x 4.33 x 1.89 in.)
Weight  
FLM-420-NAC-S Approx. 390 g (13.8 ounces)
FLM-420-NAC-D (with DIN rail adapter) Approx. 150 g (5.3 ounces)

Details

Number of zones per signaling device interface module 1
   
Output signals Steady BS 5839 March Time March Time 120 California Coded Synchronization protocol (Wheelock, Gentex)
   
Permitted operating temperature -20 °C to 50 °C(-4 °F to 122 °F)
Permitted storage temperature -25 °C to 80 °C(-13 °F to 176 °F)
Permitted relative humidity < 96%
Classes of equipment as per IEC 60950 Class III equipment
Protection class as per IEC 60529  
FLM-420-NAC-S IP 54
FLM-420-NAC-D IP 30

 

 

LSN vds