Technical Specifications:
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Model: FAS-113AD (Related: FAS-113DG)
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Manufacturer Reference: DEIF A/S (Fire Alarm Systems division)
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Input Capacity: Up to 256 inputs (addressable/zone loop)
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Output Capacity: Up to 128 outputs / 4 Form C + 2 Form A relays (typical DG variant)
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Relay Rating: 3A @ 250VAC / 1A @ 24VDC (SPDT/SPST)
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Power Supply: 24V DC (operating 12-24V DC range) or 24V AC
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Communication: Modbus RTU (RS485), proprietary loop protocol
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Operating Temp: -40°C to +60°C (some specs -20 to +70)
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Enclosure Rating: IP40 (indoor panel mount)
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Dimensions: Approx 140mm × 86mm × 34mm (compact) to 144mm × 100mm × 55mm
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Weight: Approx 0.3kg
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Standards: EN54, UL268, NFPA 72 (compliance varies by certification)
Functional Features:
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Zone Monitoring: Supports smoke, heat, gas detector loops.
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Alarm Prioritization: Dual priority alarm handling.
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Event Logging: Up to 256 events stored with timestamp.
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Diagnostics: Open/short loop detection, power fail alert.
Performance Parameters:
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Alarm Response: <0.5 sec typical
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Detection Range: Loop length up to 100m (depend on wiring/current)
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Input Current: Max 25mA per input channel
Material Composition:
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Housing: Flame-retardant PC/ABS (UL 94V-0)
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PCB: FR4 with solder mask, lead-free finish
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Terminals: Tin-plated brass screw terminals
Structural Features:
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Mounting: DIN rail or panel mount via clips.
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Indicators: LEDs for Power, Alarm, Fault, Disable per zone.
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Terminations: Removable terminal blocks for loop/power/relay.
Working Principle:
The module polls addressable or conventional detector loops for analog/current changes indicating smoke/heat. On threshold breach, it latches alarm state, activates configured relay outputs (sounders, beacons, damper closure), and transmits status via Modbus to central BMS/SCADA. Integrated watchdog ensures fail-safe notification on CPU fault.
Advantages:
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Compact DIN form saves panel space.
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Modbus integration enables centralized building safety management.
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Wide temp range (-40 to +60) suits unmanned telecom/utility sites.
Applicable Industries:
Commercial buildings, Industrial plants (non-hazardous), Marine (wheelhouse panels), Data centers, Utility substations.
Model Series: DEIF FAS-113 series (FAS-113DG, FAS-113AD, FAS-113DG).
Installation Requirements:
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Mount in non-hazardous (safe area) control panel IP40+.
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Segregate fire loop wiring from high-voltage (> 50V) power cables (>200mm separation or screened cable).
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Provide dedicated 24V DC backup battery supply (fused).
Usage Precautions:
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Test weekly/monthly per NFPA 72 or local fire code using manual call points.
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Do not exceed relay contact ratings (3A@250VAC) to avoid welding contacts.
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Firmware/config changes must be performed by certified fire alarm technician to maintain compliance.
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