Keyence Color Sensor LR-W500C

The LR-W500C from Keyence is a self-contained full-spectrum adjustable spot sensor, designed to deliver long-range, high-precision object detection with customizable spot control and selectable output modes. Built for versatility and durability, it features a white LED light source, robust zinc die-cast housing, and IP67 environmental protection, making it ideal for industrial automation, color differentiation, and material detection tasks.

Technical Specifications

Model: LRW500C
Type: M12 4-Pin Connector Type
Series: LR-W Series
Manufacturer: Keyence

Detection Capabilities

Detecting Distance: 30 to 500 mm
Minimum Spot Diameter (Adjustable):

• ø3.5 mm at 100 mm
• ø9 mm at 250 mm
• ø18 mm at 500 mm

Light Source: White LED
Interference Reduction: Supports 2 units (with alternate frequencies)

Functionality & Response Time

Timer Functions: ON delay, OFF delay, One-shot, OFF
Selectable Response Times: 200 µs / 1 ms / 10 ms / 100 ms / 500 ms

I/O & Connectivity

Control Output:

• PNP / NPN Open Collector (Selectable)
• Max Voltage: 30 VDC
• Max Current: 50 mA
• Residual Voltage: ≤2 V
• Output Configuration: N.O. / N.C. (Selectable)

External Input:

• Functions: Tuning / Transmission OFF
• Short-Circuit Current: ≤1 mA (NPN), ≤2 mA (PNP)
• Voltage & Timing: Refer to wiring/time charts

Protection Circuit Includes:

• Reverse power protection
• Power supply surge suppression
• Output overcurrent and surge protection
• Reverse output connection protection

Power & Current Consumption

Operating Voltage: 10 to 30 VDC (≤10% ripple, Class 2 or LPS)
Current Draw:

• ≤65 mA at 24 VDC (no load)
• ≤120 mA at 12 VDC (no load)

Environmental Resistance

Enclosure Rating:

• IP65/IP67 (IEC 60529)

Ambient Light Resistance:

• Incandescent Lamp: ≤10,000 lux
• Sunlight: ≤20,000 lux

Temperature Range: -20°C to +50°C
Humidity: 35% to 85% RH (No condensation)
Vibration Resistance: 10–55 Hz, 1.5 mm amplitude, 2 hrs/axis
Shock Resistance: 1,000 m/s², 6 times/axis

Material & Construction

• Case: Zinc die-cast (Nickel chrome plated)
• Indicator Cover: PPSU
• Buttons: PES
• Lens & Display: PMMA (Scratch-resistant coating)
• Adjustment Dial: Iron (Triiron tetraoxide coated)
• Connector Ring: PMP
• Connector Socket: PEI

Weight: Approx. 110 g

Key Features & Benefits:

✅ Adjustable Spot Size: Customizable spot diameter from 3.5 mm to 18 mm for enhanced accuracy.

✅ Long-Range Detection: Detects objects from 30 mm to 500 mm with high precision.

✅ Fast & Flexible Response Times: Selectable response speeds down to 200 µs for high-speed applications.

✅ Superior Environmental Resistance: IP65/IP67-rated for use in harsh industrial environments.

✅ Multiple Timer Functions: Built-in ON/OFF delay and one-shot timers for flexible operation.

✅ Industrial-Grade Durability: Resistant to shock, vibration, and high ambient lighting conditions.

✅ Easy Integration: PNP/NPN selectable output, M12 4-pin connector, and IO-Link compatibility.

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