FLM-325-NAI4 - Module de sortie supervisée BOSCH - Free user manual and instructions
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| Product Type | Supervised Output Module |
| Brand | Bosch |
| Model | FLM-325-NAI4 |
| Dimensions (H × W × D) | 100 mm × 100 mm × 30 mm |
| Weight | 0.2 kg |
| Supply Voltage | 24 VDC (18-30 VDC) |
| Current Consumption (Standby) | 20 mA |
| Current Consumption (Active) | 60 mA |
| Output Type | Form C (SPDT) relay, supervised |
| Contact Rating (Resistive) | 2 A @ 30 VDC |
| Supervision Current (EOL) | 5 mA typical |
| Operating Temperature | -10°C to 50°C |
| Storage Temperature | -20°C to 70°C |
| Humidity | 0-95% non-condensing |
| Enclosure Material | ABS plastic, UL94 V-0 rated |
| Protection Class | IP30 |
| Mounting | DIN rail, 35mm |
| Termination | Plug-in screw terminals, 12-24 AWG |
| Indicators | Red LED for active, green for power/supervision |
| Diagnostics | Trouble contact for supervision loss |
| Certifications | UL, EN54 |
| Application | Fire alarm system output control |
| Maintenance | Periodic visual inspection, clean with dry cloth |
| Spare Parts | Replaceable terminal blocks, relay module |
| Repairability | Module replaceable, not field-repairable |
Frequently Asked Questions - FLM-325-NAI4 BOSCH
What is the FLM-325-NAI4 used for?
The FLM-325-NAI4 is a supervised output module used in Bosch fire alarm systems to control external devices such as horns, strobes, or door releases.
What is the supply voltage range?
The module operates on 24 VDC with a range of 18 to 30 VDC.
How do I wire the relay output?
The relay is a Form C (SPDT) contact. Connect common (C), normally open (NO), and normally closed (NC) as needed. Use an end-of-line resistor for supervision.
What is the maximum contact rating?
The relay contacts are rated for 2 A at 30 VDC resistive load.
How do I supervise the wiring?
Wiring supervision is achieved by connecting an end-of-line resistor (EOL) across the load. The module monitors current to detect opens or shorts.
Can I mount it on a DIN rail?
Yes, the module is designed for mounting on a 35 mm DIN rail.
What do the LEDs indicate?
A green LED indicates power and proper supervision; a red LED indicates the relay is activated.
Is the module compatible with other Bosch panels?
It is compatible with Bosch fire alarm panels that support the FLM series loop modules, such as the B9512G or B8512G.
How do I troubleshoot a trouble condition?
Check wiring continuity, EOL resistor value, and supply voltage. Ensure the supervision current is in the expected range (5 mA typical).
What maintenance is required?
Periodically inspect for physical damage, clean with a dry cloth, and verify that all connections are tight. No internal maintenance is needed.
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