Active Infrared Train Door Sensor with Motion & Presence Detection and Adjustable Detection Area
Active Infrared Train Door Sensor with Motion & Presence Detection and Adjustable Detection Area
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  • Active Infrared Train Door Sensor with Motion & Presence Detection and Adjustable Detection Area
  • Active Infrared Train Door Sensor with Motion & Presence Detection and Adjustable Detection Area

Active Infrared Sensor

Active Infrared Train Door Sensor with Motion & Presence Detection and Adjustable Detection Area


The Train Door Sensor is an active infrared motion and presence detector designed for railway and public transport door systems. With adjustable detection area, tilt angle control, and fast response time, it ensures safe, reliable, and efficient door oper

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Active Infrared Sensor

  • Description
  • Specs
  • Video
  • Product Overview

    The Train Door Active Infrared Sensor is specifically engineered for railway and public transportation door systems, providing accurate detection of passenger movement and presence near door areas. Utilizing active infrared focusing technology with a microprocessor, the sensor delivers stable and precise performance even under frequent door operation and vibration conditions.


    With motion and presence detection combined in one device, the sensor enhances passenger safety while optimizing door opening and closing efficiency.

    Advanced Detection Technology

    The sensor features 15 independent infrared light spots arranged in a square detection area, allowing precise coverage and flexible configuration. Detection parameters can be adjusted via onboard buttons or remote control, enabling adaptation to different train door layouts and installation environments.

    • Detection Area: 1.0 m (width) × 1.2 m (depth)

    • Maximum Installation Height: 2.5 m

    • Tilt Angle Adjustment: 0° to 20°, adjustable in steps

    This design ensures accurate detection of both moving and stationary passengers near the door area.

    Key Features
    • Motion & Presence Detection
      Detects both moving and standing passengers to prevent unsafe door operation.

    • Fast Response Time
      Response time of < 100 ms ensures immediate system reaction.

    • Flexible Adjustment Options
      Sensitivity, detection area shape, hold time, and presence time are configurable via buttons or remote control.

    • Reliable Relay Output
      Dry contact relay output supports various door control logics.

    • Wide Power Supply Range
      Supports 12–30 VAC and 12–45 VDC, compatible with railway door control systems.

    • Robust Industrial Design
      Durable PC housing with IP41 protection, suitable for demanding public transport environments.

  • Application TechnologyActive infrared focusing technology with microprocessor
    Optical Characteristics15 independent light spots forming a square detection area
    Maximum Installation Height2.5 m
    Tilt Angle0° to 20° (5° per step)
    Detection Area1 m (W) × 1.2 m (D)
    Typical Light Spot SizeØ 130 mm (at 2 m installation height, 20° angle)
    Detection ModeMotion and Presence
    Response Time< 100 ms
    Power Supply Voltage12–30 VAC ±10%; 12–45 VDC ±10%
    Power Supply Frequency50–60 Hz
    Power Consumption< 3 W (VA)
    Output Relay (Dry Contact)Max. contact voltage: 42 VAC / 60 VDC
                   Max. contact current: 1 A (resistive)
                   Max. switching power: 30 W / 62.5 VA
    Monitoring Input (Optocoupler, Dry Contact)Input voltage: 10–24 VDC
                   Input current: < 10 mA (at 24 V)
    Hold Time0.5 s to 9 s (adjustable)
    Indicator LightsRed and Green
    Connector7-pin plug, non-detachable
    Installation MethodSurface-mounted or recessed
    Storage Temperature-40°C to +70°C
    Operating Temperature-25°C to +60°C
    Protection ClassIP41
    Dimensions138 mm (L) × 37.5 mm (W) × 52.5 mm (D)
    WeightApprox. 0.1 kg
    MaterialPC Plastic
    Housing ColorSmoke Black
    Cable Length2.5 m
    Manual AdjustmentSensitivity (button-adjustable)
                   Detection area (button-adjustable)
                   Tilt angle (mechanical adjustment)
    Remote Control AdjustmentSensitivity: 4 levels
                   Hold time: 0.5–9 s (10 levels)
                   Detection area shape: 9 preset programs
                   Presence time: 20 s–25 min (10 levels)
                   Security: 4-digit password

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