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FLM-420/4-CON-S | FLM-420/4-CON-D
Safety Notes
NOTICE!
Installation must only be performed by authorized and specialized personnel. Please observe
the notes in the online help when calibrating the zone and selecting the EOL resistor.
Functional description
The FLM-420/4-CON Conventional Interface Module enables monitored connection of conventional detectors to LSN
fire panels via a 4-wire supply network (LSN with external power supply).
The surface-mount housing for the FLM-420/4-CON-S has pre-formed conduit connections and rubber bushings for
cable entries (Figure 2, Page 5, Removal: Figure 1, Page 4, Installation: Figure 5, Page 7).
The FLM-420/4-CON-D is installed on a DIN rail in accordance with EN 60715 with enclosed adapter (Installation:
Figure 6, Page 8; Removal: Figure 7, Page 9).
Address Setting
Fit a rotary switch in the required position using a pan head slotted screwdriver (Figure 8, Page 10).
Address (A) Operating mode
0 0 0
Loop/stub in LSN improved version mode with automatic addressing
0 0 1 - 2 5 4 Loop/stub/T-taps in LSN improved version mode with manual addressing
CL 0 0
Loop/stub in LSN classic mode (address range 127 max.)
2 5 5 - 2 9 9 Non-permitted address range (error message on fire panel)
Connection
Connection to LSN
With power supply via LSN additional power supply
With power supply via external power supply unit (free-of-ground)
Connection of conventional lines
2 stubs (Class B)
1 stub (Class B)
1 loop (Class A)
Description
LSN: b1+ | a- | b2+
AUX: 2+ | 1/2- | 1+
OUT1: + | - ; OUT2/IN1: - | +
PWR IN / LSN AUX or EXT.PWR: + | - Power supply input (from LSN or external)
Technical specifications
LSN
Primary line
Power supply input (PWR IN) Voltage
Power supply output, 4-wire
detectors
EOL resistor for zone as stub (Class B)
Permissible wire diameter
Permissible operating temperature / storage temperature
Permissible relative humidity
Protection class as per IEC 60529
Classes of equipment as per IEC 60950
Bosch Sicherheitssysteme GmbH
Function
LSN b incoming / LSN a / LSN b outgoing
Power supply output, 4-wire detector (does not apply if connecting 2-wire
detectors)
Stub 1 or outgoing loop; stub 2 or incoming loop
Input voltage
Max. current consumption
Line voltage
Max. line current
Max. line resistance
Ripple
Voltage
Max. current
Ripple
See ...
Figure 11, Page 11
Figure 12, Page 11
See ...
Figure 13, Page 12, left
Figure 13, Page 12, right
Figure 14, Page 13
15 to 33 V DC
8.5 mA
21 to 22 V DC (21,5 V DC typ. ±0,5 V DC)
80 mA per line (±10 % at 25 °C)
50 Ω per line (2 x 25 Ω max.)
24 to 30 V DC
< 150 mV
23.5 to 30 V DC (rated voltage 24 V DC)
200 mA per output (can be switched in parallel)
< 300 mV
With calibration value: 2,2 kΩ
Without calibration value: 2,2 kΩ / 3,9 kΩ
2
0.6 to 3.3 mm
-20 °C to +55 °C / -25 °C to +80 °C
<96 %, non-condensing
FLM-420/4-CON-S: IP 54; FLM-420/4-CON-D: IP 30
Class III equipment
en
17
F.01U.012.982 | 6.0 | 2011.12
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