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WL18-2P430

The SICK WL18-2P430 is a compact, high-performance photoelectric retro-reflective sensor designed for precise object detection in industrial automation applications. It is part of SICK's W18 series, known for its reliability and versatility.

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Technical Specifications:
Parameter Details
Sensor Type Background Suppression (BGS)
Sensing Range 50 mm to 300 mm (adjustable via potentiometer)
Light Source Red light (650 nm)
Light Spot Size ≈ 10 mm × 20 mm (at 300 mm distance)
Resolution ≤ 2 mm
Response Time ≤ 1 ms
Switching Frequency 500 Hz
Electrical Characteristics:
Operating Voltage: 10 V to 30 V DC

Current Consumption: < 30 mA

Output Type: PNP Normally Open (NO)

Output Current: ≤ 100 mA

Voltage Drop: < 2.5 V

Protection: Short-circuit and reverse polarity protection

Mechanical & Environmental Properties:
Housing Material: Brass, nickel-plated

Protection Rating: IP67 (dust and water resistant)

Connection: M12 4-pin quick-disconnect connector

Dimensions: Ø18 mm × 54 mm

Weight: ≈ 80 g

Operating Temperature: -25 °C to +55 °C

Storage Temperature: -40 °C to +70 °C

Ambient Light Immunity: ≤ 30000 Lux

Key Features:
Precise Background Suppression: Ignores objects beyond the set sensing range, preventing false triggers.

Adjustable Sensing Range: Fine-tuned via integrated potentiometer for flexible application use.

Robust Metal Housing: Resists mechanical impacts, vibrations, and industrial contaminants.

High Immunity: Resistant to ambient light (up to 30,000 Lux) and environmental interference.

Visual Indicators: Dual LEDs for power status and output state monitoring.

Easy Mounting: Standard M18 threading for simple installation.

Typical Applications:
Conveyor belt object detection

Packaging machinery (e.g., box presence verification)

Material handling systems

Automotive assembly lines

Robotics and automation

Liquid level detection in transparent containers