HOA6984-L51

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The HOA6984-L51 is a standard, high-sensitivity opto-interrupter module configured for electrical engineering applications where compact size, versatility and reliability are essential. It features a high-efficiency red LED, a precision integrated optical receiver, an ON/OFF output, an open-collector output, and an integrated circuit for improved performance and stability. The optical system consists of a photodiode, a reflector, and an infrared filter.

This device is mainly used in device logic output, current or voltage sensor, switch cause detect, crack detect, photoelectric encoder, motor speed detect, reset and stop detect, wind speed detect, motor start/stop detect/sensing, etc. It is often applied for robot applications, tested machines, and other equipment. It is a widely used low-cost Safety Device and Sensing Device.

The working principle of the HOA6984-L51 is similar to most opto-interrupter modules, which is based on the interruption of the on-beam that is connected from the emitting source and the photodiode. As the beam is blocked by an object, the photodiode stops receiving the beam and triggers a logic output. The logic output can be used in a wide variety of applications. For example, in switch cause detection, the opto-interrupter module can detect the presence of a closed switch and trigger an appropriate output.

The device’s integrated circuit improves the performance and stability of the module. The integrated circuit amplifies the photodiode signal before it is sent to the output. This ensures that the output is accurately triggered when the beam is interrupted, even if there are slight variations in the beam strength or background ambient light. The integrated circuit also helps to protect against voltage overload and power surges.

In addition to the integrated circuit, the HOA6984-L51 also includes an ON/OFF output and an open-collector output. The ON/OFF output is designed to indicate whether the beam is interrupted or not, while the open-collector output is intended for applications where a logic signal is required. Both outputs feature low leakage and high drive current, making them suitable for a variety of applications.

In conclusion, the HOA6984-L51 is a versatile and reliable opto-interrupter module that is suitable for use in a wide array of applications, including switch cause detection, photoelectric encoders, motor speed detection, reset and stop detection, wind speed detection, and motor start/stop detection/sensing. It features an efficient red LED, a high-precision integrated optical receiver, an ON/OFF output, an open-collector output, and an integrated circuit for improved performance and stability.

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