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FAQ01154 of Photomicro Sensors FAQ

FAQ No. FAQ01154

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Question

What are modulated and non-modulated of Photomicrosensors Used for Industrial Equipment?

Answer

The following table shows the sensing method and characteristics for modulated and non-modulated light.

		Non-modulated	Modulated
Sensing method		Method used to detect light steadily emitted by the emitter element	Method used to detect light emitted in pulses by the emitter element
Characteristic	Cost	Lower than modulated models	Higher than non-modulated models
Characteristic	External light interference	Susceptibility to ambient light	Resistant to ambient light

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