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WLL12-B5181

The SICK WLL12-B5181 is a compact, self-contained fiber optic sensor designed for precise object detection in space-constrained applications. This through-beam type sensor integrates both transmitter and receiver in a single housing, providing reliable performance in challenging industrial environments.

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Technical Specifications:

• Sensor Type: Through-beam fiber optic sensor
• Sensing Principle: Integrated transmitter and receiver
• Sensing Distance: 15 mm (fixed)
• Light Source: Red light (650 nm)
• Response Time: 0.5 ms
• Switching Frequency: 1000 Hz

Electrical Characteristics:
• Operating Voltage: 10-30 V DC
• Current Consumption: ≤ 35 mA
• Output Type: PNP normally open
• Output Current: ≤ 100 mA
• Voltage Drop: < 2 V
• Protection: Short-circuit and reverse polarity protected

Optical & Mechanical Properties:
• Housing Material: Plastic (PBT)
• Protection Rating: IP67
• Connection: M8 4-pin connector
• Cable Length: 2 m (integrated)
• Operating Force: 5 N (actuation force)

Environmental Ratings:
• Operating Temperature: -25°C to +55°C
• Storage Temperature: -40°C to +70°C
• Ambient Light Immunity: ≤ 30000 Lux

Key Features:

Ultra-compact design for minimal space requirements

Integrated through-beam design eliminates alignment needs

High mechanical durability with plastic housing

Visual status indicators (power and output)

Easy installation with integrated mounting features

Resistant to electromagnetic interference

Suitable for cleanroom applications

Special Functions:

Fixed sensing distance for consistent performance

High repeat accuracy

Stable operation in vibrating environments

Immune to surface color and material variations

Typical Applications:

Small parts detection in assembly automation

Miniature component positioning

PCB board presence verification

Medical device manufacturing

Packaging machinery applications

Robotics end-effector detection

Laboratory automation systems