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Autonics BJN50-NDT-P Photoelectric Sensor
The Autonics BJN50-NDT-P Photoelectric Sensor offers Narrow beam reflective type sensing type, 30 to 70mm, Red LED(650nm), PNP open collector output, 12-24VDC power supply. Manufactured by Autonics under the Autonics Photoelectric Sensors category, this model belongs to the Autonics BJ Series.
| Brand | Autonics |
| Product Type | Photoelectric Sensor |
| Model Number | BJN50-NDT-P |
Autonics BJN50-NDT-P Photoelectric Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Sensing type | Narrow beam reflective type |
| Sensing distance | 30 to 70mm |
| Sensing target | Opaque, Translucent material(min. sensing target: min. Γ0.2mm(copper wire)) |
| Response time | Max. 1ms |
| Light source | Red LED(650nm) |
| Sensitivity adjustment | Sensitivity adjuster |
| Operation mode | Light ON/Dark ON(set by switch) |
| Power supply | 12-24VDC |
| Current consumption | Max. 30mA |
| Control output | PNP open collector |
| Environment_Ambient illumination | Sunlight: Max. 11,000lx, Incandescent lamp: Max. 3,000lx (received illumination) |
| Environment_Ambient temperature | -25 to 55β, storage: -40 to 70β |
| Environment_Ambient humidity | 35 to 85% RH, storage: 35 to 85% RH |
| Protection structure | IP65 |
| Connection type | Cable type(Γ3.5, 2m) |
| Material | Case: Polycarbonate+Acrylonitrile butadiene styrene, LED Cap: Polycarbonate, Sensing part: Polymethyl methacrylate,Bracket: SUS304(steel use stainless 304), Bolt: Steel chromium molybdenum, Nut: Steel chromium molybdenum,Sleeve: Brass, Ni-plate |
| Accessories | Fixing bracket, M3 Bolts: 2, M3 Nuts: 2, Adjuster driver |
| Hysteresis(distance) | Max. 25% of sensing distance |
| Min. diameter of transmitting spot | Approx. Γ2.0mm |
| Weight | Approx. 45g |
Designed for industrial environments where space and precision matter, the Autonics BJN50-NDT-P Photoelectric Sensor features a narrow beam reflective sensing type with a stable detection range of 30mm to 70mm. It is capable of detecting objects as small as Γ0.2mm copper wire, making it suitable for fine detection tasks in electronics, automation, and cable processing lines. The sensor is equipped with a Red LED (650nm) light source and provides quick response with a maximum response time of 1ms, allowing seamless performance in high-speed machinery.
It operates on a wide input of 12β24VDC Β±10% and consumes a maximum of 30mA, offering energy efficiency while maintaining signal stability. The control output is a PNP open collector, compatible with most PLC and industrial control systems. Engineers can switch between Light ON and Dark ON modes using the built-in switch, and the sensitivity adjuster ensures easy configuration for varied object types. The sensor is IP65 rated, safeguarding against dust, water, and ambient industrial conditions, while the robust cable-type connection (Γ3.5mm, 2m) ensures durable connectivity. Housed in impact-resistant polycarbonate and stainless-steel materials, the BJN50-NDT-P is designed for long-term performance in tough environments. For official documentation and certifications, refer to the Autonics Brand Page.
The Autonics BJN50-NDT-P is widely used in automation lines, packaging systems, PCB assembly stations, cable winding machines, and robotics. In PCB lines, it helps verify component placement or detect misalignment. In packaging machinery, it ensures items are in the correct position before sealing. For cable production units, the sensor confirms the presence of ultra-thin wires before coating or bundling. Maintenance engineers favor this model for its simple mounting, stable signal output, and adaptability in both transparent and opaque object detection. Engineering students can also benefit from studying this model to understand how reflective sensing works in real-world industrial applications. With its precise detection, high-speed response, and rugged design, the BJN50-NDT-P Photoelectric Sensor sets the standard for performance in compact sensing solutions.
