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FAQ00360 of Photoelectric Sensors FAQ

FAQ No. FAQ00360

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What is a Photoelectric Sensor?


A photoelectric sensor is the one to detect presence and the state of the object by the change in light.

1. What is a photoelectric sensor?

Amount of light (luminance) is converted to an electrical signal, certain standard is set to a level of the electrical signal, the output is ON or OFF whether a level of an electrical signal (amount of light entered) is high or not than the standard.

2. Classification of photoelectric sensor