Bosch LSN Interface Modules Series 420 En Us FLM I8R1 S Commercial Brochure 1294652299
User Manual: Bosch en-us FLM-420-I8R1-S Octo-input interface module with relay
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LSN Interface Modules Series 420 | 1
LSN Interface Modules Series 420
FLM‑420/4‑CON FLM‑420‑NAC FLM‑420‑RHV
Interface type Conventional Interface Mod-
ule 4‑wire LSN
Signaling Device Interface
Module
Relay High Voltage Interface
Module
Function Connecting conventional de-
tectors to LSN fire panels
Connecting signaling devices 2 change-over contact relays
with feedback lines
Wiring type 4-wire 4-wire 2-wire
Input voltage LSN 15 V DC to 33 V DC 15 V DC to 33 V DC 15 V DC to 33 V DC
Max. current consumption from
LSN
8.5 mA 6.06 mA 17.15 mA
Potential-free outputs – – ●
Maximum contact load – – 10 A/120 V AC
10 A/230 V AC
10 A/24 V DC
6 A/30 V DC
Maximum switching load – – –
Protection category -S: IP 54; -D: IP 30 -S: IP 54; -D: IP 30 -S: IP 54; -D: IP 30
Permissible operating tempera-
ture
-20°C to +55°C -20°C to +50°C -20°C to +50°C
Connectable to LSN classic fire
panels
● ● ●
Design
- E: in-built – – –
- W: wall-mount – – –
- D: DIN rail ● ● ●
- S: with surface-mounted housing ● ● ●
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2 | LSN Interface Modules Series 420
LSN Interface Modules Series 420
FLM‑420‑RLV1 FLM-420-RLV8-S FLM‑420‑I2
Interface type Relay Interface Module Low
Voltage
Octo-relay Interface Module
Low Voltage
Input Interface Module
Function 1 change-over contact relay 8 change-over contact relays Monitoring of up to 2 inputs
Wiring type 2-wire 2-wire 2-wire
Input voltage LSN 15 V DC to 33 V DC 15 V DC to 33 V DC 15 V DC to 33 V DC
Max. current consumption from
LSN
1.75 mA 3. 55 mA 10.4 mA
Potential-free outputs ● ● –
Maximum contact load -D: 5 A/30 V DC
-S: 2 A/30 V DC
2 A/30 V DC –
Maximum switching load – – –
Protection category IP 30 IP 54 IP 30
Permissible operating tempera-
ture
-20°C to +55°C -20°C to +65°C -20°C to +65°C
Connectable to LSN classic fire
panels
● ● –
Design
- E: in-built ●–●
- W: wall-mount – – ●
- D: DIN rail ●–●
- S: with surface-mounted housing –●–
LSN Interface Modules Series 420 | 3
LSN Interface Modules Series 420
FLM‑420‑O2 FLM-420-I8R1-S FLM-420-O8I2-S
Interface type Output Interface Module Octo-input Interface Module
with Relay
Octo-output Interface Module
with 2 Inputs
Function 2 semi-conductor outputs for
controlling external devices
Monitoring of up to 8 inputs 8 semi-conductor outputs for
controlling external devices
and 2 monitored inputs
Wiring type 2-wire 2-wire 2-wire
Input voltage LSN 15 V DC to 33 V DC 15 V DC to 33 V DC 15 V DC to 33 V DC
Max. current consumption from
LSN
4.9 mA 5.5 mA 5.5 mA
Potential-free outputs ● ● ●
Maximum contact load – 2 A/30 V DC –
Maximum switching load 700 mA/30 V DC – 700 mA/30 V DC
Protection category IP 30 IP 54 IP 54
Permissible operating tempera-
ture
-20°C to +65°C -20°C to +65°C -20°C to +65°C
Connectable to LSN classic fire
panels
–● ●
Design
- E: in-built ●– –
- W: wall-mount ●– –
- D: DIN rail ●– –
- S: with surface-mounted housing –● ●
www.boschsecurity.com
4 | LSN Interface Modules Series 420
LSN Interface Modules Series 420
FLM‑420‑O1I1 FLM-420-RLE-S FLM-I 420-S
Interface type Output-input Interface Module Extinguishing Interface Mod-
ule
Short Circuit Isolator
Function 1 semi-conductor output for
controlling external devices
and 1 monitored input
Connection of extinguishing
system
Isolating alarm zones with
short circuit
Wiring type 2-wire 2-wire 2-wire
Input voltage LSN 15 V DC to 33 V DC 15 V DC to 33 V DC 15 V DC to 33 V DC
Max. current consumption from
LSN
1.9 mA 7.9 mA 0.25 mA (after initialization)
Potential-free outputs ● ● –
Maximum contact load – – –
Maximum switching load 700 mA/30 V DC – –
Protection category IP 30 IP 54 IP 54
Permissible operating tempera-
ture
-20°C to +65°C -20°C to +50°C -20°C to +50°C
Connectable to LSN classic fire
panels
–●–
Design
- E: in-built ●– –
- W: wall-mount – – –
- D: DIN rail ● ● –
- S: with surface-mounted housing –● ●
