Active Infrared Sensor
Active Infrared Train Door Sensor with Motion & Presence Detection and Adjustable Detection Area
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Active Infrared Sensor
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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.
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Application Technology Active infrared focusing technology with microprocessor Optical Characteristics 15 independent light spots forming a square detection area Maximum Installation Height 2.5 m Tilt Angle 0° to 20° (5° per step) Detection Area 1 m (W) × 1.2 m (D) Typical Light Spot Size Ø 130 mm (at 2 m installation height, 20° angle) Detection Mode Motion and Presence Response Time < 100 ms Power Supply Voltage 12–30 VAC ±10%; 12–45 VDC ±10% Power Supply Frequency 50–60 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 VAMonitoring Input (Optocoupler, Dry Contact) Input voltage: 10–24 VDC
Input current: < 10 mA (at 24 V)Hold Time 0.5 s to 9 s (adjustable) Indicator Lights Red and Green Connector 7-pin plug, non-detachable Installation Method Surface-mounted or recessed Storage Temperature -40°C to +70°C Operating Temperature -25°C to +60°C Protection Class IP41 Dimensions 138 mm (L) × 37.5 mm (W) × 52.5 mm (D) Weight Approx. 0.1 kg Material PC Plastic Housing Color Smoke Black Cable Length 2.5 m Manual Adjustment Sensitivity (button-adjustable)
Detection area (button-adjustable)
Tilt angle (mechanical adjustment)Remote Control Adjustment Sensitivity: 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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