The Asenware AW-D401 and AW-D402 are accessory modules used with conventional beam smoke detectors (linear smoke detectors). These modules help interface and supervise the beam detector system within a fire alarm installation.
AW-D401 — Linear Detector Interface Module
Main Functions
- Interfaces beam detector signals with fire alarm control panels
- Processes alarm and fault conditions
- Provides relay outputs for:
- Fire alarm
- Fault/trouble
- Supports detector alignment and monitoring
- Improves system stability for long-distance beam detection
Product Overview
| Model | Description | Main Function |
|---|---|---|
| AW-D401 | Linear Detector Interface Module | Signal processing and fire alarm interface |
| AW-D402 | Linear Detector Endline Module | End-of-line supervision and circuit monitoring |
These modules are typically used together with projected beam smoke detectors in:
- Warehouses
- Factories
- Shopping malls
- Mosques/churches
- Atriums
- High-ceiling buildings
- Aircraft hangars
Typical Features
- Conventional fire alarm system compatibility
- LED indication for:
- Power
- Alarm
- Fault
- Resettable operation
- Stable communication between transmitter and receiver
- Easy DIN rail or wall installation
Common Applications
- Long corridors
- Warehouses
- Auditoriums
- Industrial facilities
- High roofs where spot detectors are impractical
AW-D402 — Linear Detector Endline Module
Main Functions
- Provides end-of-line monitoring
- Supervises wiring integrity
- Detects open/short circuit conditions
- Ensures proper beam detector loop supervision
- Used at the last point of detector wiring circuits
Typical Features
- Compact module design
- Improves fault detection reliability
- Compatible with conventional beam detector systems
- Simplifies maintenance and troubleshooting
Typical System Arrangement
A beam detector system using these modules usually includes:
- Beam detector transmitter
- Beam detector receiver
- AW-D401 interface module
- AW-D402 endline module
- Fire alarm control panel
Operating Principle
- The beam detector continuously monitors infrared beam interruption caused by smoke.
- AW-D401 converts detector conditions into alarm/fault outputs for the fire panel.
- AW-D402 supervises the circuit termination and ensures wiring integrity.
Advantages of Linear Beam Detection
- Covers large open areas
- Fewer detectors required
- Ideal for high ceilings
- Lower maintenance cost
- Faster installation in large buildings
