OPB360T55

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Optical Sensors

Photointerrupters

Slot Type - Transistor Output

The OPB360T55 Optical Sensor is an advanced, slot-type, transistor output photointerrupter ideally designed for use in microprocessor-controlled, contactless sensing applications. This sensor was designed to be robust and reliable enough to withstand the rigorous and potentially hazardous environmental conditions within industries such as transportation, automotive, and packaging.

Application Field

This photointerrupter is ideal for use in devices where smooth, reliable movement must be monitored with a high degree of accuracy and repeatability, such as escalators, conveyors, and other transportation systems. In addition, this sensor can be used in optical switch applications such as paper feed and stop, operation indication, shutter controls, and monitoring moving parts of industrial machinery.

Working Principle

The OPB360T55 Optical Sensor works on a simple principle; an LED emitter operates in tandem with a phototransistor receiver. In order for the sensor to detect a moving object, a slot is created in the sensing path. As the moving object passes through the slot, alternating pulses of light and darkness are detected by the phototransistor. When a light pulse is detected, the receiver will produce an output seen by the controller as a binary “high” signal, and will remain “high” until a darkness pulse is detected, signaling a binary “low” signal. This enabling the device to accurately monitor the movement of the object, and record short and long period signals, as needed.

Features and Benefits

The OPB360T55 Optical Sensor\'s features and benefits make it the ideal solution for a variety of applications. The complex sensing function is consolidated into a simple solution, reducing the work of component selection, design costs, and mounting space. In addition, its highly advanced optical sensing technology provides non-contact operation, eliminating wear or breakdown of mechanical contact sensing components. Its built-in reverse-polarity protection allows for the strictest applications to comply with safety standards, increasing the safety and reliability of the device.

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