In environments with electrical noise, or when detecting very fast-moving objects, you may need to adjust the response time.

This is used when you need high precision or need to ignore a specific background color.

The manual includes a comprehensive error code table. Here are the most common ones:

: The FS-N41N uses an NPN open-collector output. Ensure cable lengths are kept under 30 meters to maintain EMC compliance.

Since the FS-N41N has an NPN output, it sinks current to ground. Connect the black wire to the input of your PLC (e.g., an NPN input module) and the blue wire to the common ground.

button again. The sensor automatically calculates the optimal threshold between the two light intensities. Positioning Mode : For high-precision alignment, press the

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