EE-SX674P

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Photointerrupters, also known as slotted optical switches, are optoelectronic sensors that operate by cutting off and allowing the transmission of light. The EE-SX674P is part of the slot-type logic-output family of photointerrupters and has several features that give it unique capability for optical sensing applications.

At the heart of the EE-SX674P logic-output family is a high-intensity infrared LED and a phototransistor that are positioned opposite each other behind a perforated section of the device\'s body, which allows light to pass through. When the light is uninterrupted, the phototransistor is activated and a high output signal is generated. When an object blocks the light, the phototransistor is deactivated, and a low output signal is generated.

The EE-SX674P specifically offers an additional feature that allows it to be used in more advanced optical sensing applications. The device can be programmed to allow for an adjustable current flow through its LED element, which allows it to be used in varying light conditions. For instance, if the current is set at a low level, it can detect objects that separate the two sides of the slot even when the amount of ambient light is low. Conversely, if the current is set at a higher level, the device will be more sensitive and be able to detect the smallest of objects or movement under bright conditions.

The EE-SX674P also has an additional input that allows for an externally sourced voltage to be applied to the device. This is beneficial for applications that require the device to control external equipment, such as motors, pumps or lighting. When the light is blocked, the device will output a low signal, which can then be used to control the external equipment.

At its core, the EE-SX674P is an optical sensing device that can detect the presence of an object and generate a high or low output signal. But its adjustable current feature and external input enable it to go one step further and be used in more advanced applications. Its uses range from simple applications such as detecting the presence of an object in an assembly line, to more complex applications such as controlling motor speed in a robotic arm. This makes the EE-SX674P an ideal choice for many optical sensing applications.

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