OPB990P51Z

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The OPB990P51Z is a photo interrupter slot type logic output sensor that uses light to detect the presence or absence of an object. It is one of many types of sensors that are used to detect the presence or absence of a physical object in an automated system. The OPB990P51Z is commonly used in industrial and commercial applications, such as conveyor belt monitoring, automotive manufacturing, and safety systems.

The OPB990P51Z consists of two major components, a transmitter and a receiver. The transmitter is a light-emitting diode (LED) that transmits a light beam. The receiver is a photo-transistor, which detects the absence or presence of the beam and produces a signal accordingly. When the object passes through the slot between the transmitter and the receiver, the object interrupts the light beam and triggers a signal, which can be used to control a device or system.

The OPB990P51Z is more sensitive than other photo interrupters and can detect objects of varying thickness. It is also designed for use in harsh environments, with its housing designed for moisture protection and its components resistant to dust and vibration. Additionally, the OPB990P51Z operates over a wide temperature range of -20°C to +85°C.

The typical output logic of the OPB990P51Z is ON when the light is blocked and OFF when the light is present in the slot. This is the most common type of logic output from photo interrupters. The output signal from the OPB990P51Z can be a binary 1 or 0, or an analog voltage or current. The OPB990P51Z also has an interrupted light level that can be programmed by an external resistor.

The OPB990P51Z is easy to use and can be connected to a microcontroller with a few external components. A 10kΩ external resistor on the output is used to moderate the LED forward voltage and limit the current flowing through the LED. It includes a ground and a power supply pin for the output circuit, and an internal or external voltage regulator can be used to reduce power consumption.

The OPB990P51Z is an inexpensive and reliable solution for applications where an object needs to be detected and a signal needs to be generated for further processing. It is a cost-effective option for safety systems, conveyor belt monitoring, automotive manufacturing, and other industrial and commercial applications.

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