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WFS3-40N415

The SICK WFS3-40N415 is a compact, versatile ultrasonic sensor from the WFS3 series. It is designed for precise, non-contact detection and distance measurement of a wide variety of objects, regardless of their material, color, surface properties, or transparency. This makes it an ideal solution for complex applications where photoelectric sensors struggle.

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Key Features & Specifications:

Feature Specification
Product Type Ultrasonic Sensor (Through-beam & Reflex)
Sensing Principle Ultrasonic Time-of-Flight (ToF). The sensor emits high-frequency sound waves and measures the time it takes for the echo to return to calculate distance.
Operating Range 40 mm...400 mm (Adjustable)
Blind Zone 0...40 mm (The area closest to the sensor where it cannot make reliable measurements).
Resolution < 0.5 mm
Linearity Error < 0.5% of the measuring range
Output Type 1x Analog Output (0...10 V or 4...20 mA) and 2x Switching Outputs (PNP). The analog output provides continuous distance information, while the switching outputs act as window comparators.
Output Function Programmable. The switching outputs can be configured as NO/NC and for various functions like window mode, hysteresis mode, or one-point switching.
Light Source N/A (Uses sound waves)
Setting Method Teach-In via Button or Remote Input. Configuration is done easily by presenting targets at the desired switching points.
Housing Material Plastic (PBT)
Connection Type Connector, M12 x 1, 5-pin
Supply Voltage 10...30 V DC
Current Consumption Max. 100 mA
Switching Frequency 10 Hz (10 switching operations per second) - Typical for ultrasonic sensors.
LED Indicators Multi-functional LED for status and diagnostic information (e.g., teach mode, switching state, error).
Protection Rating IP67 - Dust-tight and protected against temporary immersion in water.