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Bosch FLM-420-01I1-E Guia De Instalacion página 11

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Output-input Interface Module
1
Safety Notes
Notice!
i
Installation must only be carried out by authorized specialist personnel.
Notice!
i
Electrostatic discharge (ESD)! Electronic components could be damaged. Ground yourself
using a wrist strap or take other suitable actions.
2
Functional description
The FLM-420-O1I1-E can be flush mounted in standard device boxes in accordance with EN
60670, for example, in standard switches. Alternatively, it can be installed in the devices (see
Graphics).
The Interface Module has one semiconductor output for controlling external devices and one
monitored input.
The output is electrically isolated from the LSN loop and protected against short circuits.
Connected loads can be power-supplied by the auxiliary power supply from the fire panel.
For the input, two monitoring functions can be selected (see Graphics):
1.
2.
The programming is carried out via the programming software of the fire panel.
3
Wiring
The output OUT/OUT- is switched against the negative potential of the interface module
(POWER IN/POW-).
The positive potential for OUT/POW+ is provided by the auxiliary power supply (AUX) from the
fire panel.
OUT/POW+ and POWER IN/POW+ are linked internally.
Notice!
i
FLM-420-O1I1-E must be mounted flush with the connected device.
Description
IN
IN+ | IN-
OUT
POW+
OUT-
POWER IN
POW+ | POW-
LSN
b1+ | a- | b2+
LSN POWER
LSN POWER
LSN
LSN
Bosch Sicherheitssysteme GmbH
Monitoring a line with EOL resistor for standby or triggering (interruption/short circuit)
Monitoring a potential free contact for open and closed states
Function
Input
Reference potential (+)
Output (switched negative potential)
Power supply output (OUT)
LSN (incoming/outgoing)
Auxiliary power supply (support points to loop through)
LSN (outgoing/incoming)
Installation Guide
Safety Notes | en
11
2023-07 | 04 | F.01U.032.853

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