WF120-40B410

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Optical Sensors - Photointerrupters - Slot Type - Transistor Output

The WF120-40B410, manufactured by Optec S.A. de C.V. is a photointerrupter of slot type with transistor output which is designed to detect the presence of cylindrical objects in an industrial automation environment. It has a number of features which make it suitable for multiple applications.

Features and Benefits

• Compact body provides building space savings.
• High reliability and long life.
• Two independent outputs (NO and NC).
• Flexible operation with the addition of the second output.
• Variety of standard supply voltage, making the sensor compatible with most industry automation systems.
• Can be used in a range of environments, including wet or dusty.
• Cost effective.

Technology and Specifications

The WF120-40B410 utilizes the latest in photointerrupter technology and has numerous industrial-standard traits. Its body measures 40mm long x 12mm wide and uses either a 12mm, 10mm or 8mm object-to-detect slot aperture. Additionally, it has two NPN outputs with a maximum voltage of 30VDC and a maximum current of 100mA. Its ambient light protection range is from 1,400 lux to 3,500 lux and the optical output power is 40mW/sr max. Its insulation resistance is greater than 500MΩ and its op. temp. range is -10°C to +50°C.

Applications

The WF120-40B410 photointerrupter provides the maximum flexibility and reliability in industrial settings. In particular, it is well-suited for assembly line automation systems, conveyor belt object detection, industrial inspection systems, position feedback systems, and rotary encoders.

Working Principle

The WF120-40B410 uses the principle of photointerruption for object detection. When the cylindrical object passes through the sensing slot, its body interrupts the infrared light beam, which causes a change in the emitted light to one of the two outputs. The two outputs, NO and NC, will correspond to "ON" and "OFF" signals, respectively. The NO output is triggered when the object passes through the slot. This change in signal output can be used to classify the object, detect its presence and make decisions to control the motion of the industrial automation system.

Conclusion

The WF120-40B410 is a high-reliability, cost-effective photointerrupter with transistor output designed for installation in industrial automation systems. Its wide range of features and its ability to detect the presence of cylindrical objects make it an ideal choice for applications such as assembly line automation, conveyor belt object detection, industrial inspection systems, position feedback systems, and rotary encoders.

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