Pepperl+Fuchs MLV41-LL-RT_92_136 Fiber Optic Sensor

Technical Overview

The Pepperl+Fuchs MLV41-LL-RT/92/136 is a robust fiber optic sensor designed for reliable operation in diverse industrial conditions. It features a compact design, enabling installation in confined areas, and offers a comprehensive range of functionalities typically found in larger photoelectric sensors. This sensor utilizes modulated visible red light (660 nm) and provides a push-pull output via an M12 plug. Its aluminum housing with a high-quality Delta Seal coating ensures durability, while adjustable continuous sensitivity and easy fiber optic installation with a quick-action clamping lock enhance usability. The MLV41 series is known for its resistance to ambient light, crosstalk protection, and versatile output stages, supporting various switching logics and polarities.

Key Features

Adjustable continuous sensitivity.
Easy fiber optic installation with quick-action clamping lock.
Aluminum housing with high-quality Delta Seal coating.
Highly visible status LEDs on the front and back.
Resistance to ambient light.
Crosstalk protection.
Universally applicable output stages permit every possible switching logic and polarity.
Compact design for mounting in confined areas.

Technical Specification Matrix

Parameter	Value
Sensor Range on Black (6% reflection)	up to 36 mm
Sensor Range on Kodak White (90% reflection)	up to 120 mm
Operating Voltage (UB)	10 ... 30 V DC
Light Source	LED
Light Type	Modulated visible red light, 660 nm
Switching Type	Light/dark on switchable
Output Type	Push-pull
Electrical Connection	M12 plug
Protection Class	II, rated voltage ≤ 50 V AC with pollution degree 1-2 according to IEC 60664-1
Ambient Temperature	-20 ... 60 °C
Housing Material	Aluminum with high-quality Delta Seal coating
Fiber Optic Adapter	Quick-action clamping lock
Product Standard	EN 60947-5-2

Industrial Applications

1. Precision Object Detection in Harsh Industrial Environments

The MLV41-LL-RT/92/136 excels in demanding industrial settings where environmental factors like dust, moisture, or significant temperature fluctuations (down to -20 °C and up to 60 °C) are present. Its robust aluminum housing with a Delta Seal coating provides superior protection, allowing for reliable and accurate detection of small to medium-sized parts on conveyor belts, even in challenging conditions.

Problem Solved

Ensures accurate and consistent presence detection and counting of objects in harsh environments where conventional sensors might fail due to environmental stress.

IP RatingTemperature ResistanceRobust HousingObject DetectionConveyor Systems

2. Automated Assembly Line with Space Constraints

Due to its compact dimensions (3.76 cm length, 2.26 cm width, 3.0 cm height for the main body) and unique design that allows mounting in confined areas, this sensor is perfectly suited for modern automated assembly lines where space is often a critical constraint. It can precisely detect component presence during intricate assembly processes, thereby preventing errors and ensuring correct part placement.

Problem Solved

Enables reliable automation in tight spaces, improving assembly accuracy and reducing manual inspection needs.

Compact SizeAssembly AutomationComponent DetectionSpace OptimizationPrecision

3. Material Handling and Packaging Verification

With its ability to detect objects with varying reflection factors (from black, 36 mm, to Kodak white, 120 mm), this fiber optic sensor is ideal for diverse material handling and packaging verification tasks. It can accurately confirm the presence of package components, such as lids, or monitor for product overflow on a conveyor, accommodating different colors and materials. The 10-30 V DC operating voltage and push-pull output ensure seamless integration with standard industrial control systems.

Problem Solved

Provides versatile and reliable verification of packaging integrity and material presence, reducing product loss and ensuring quality control across diverse product types.

Material HandlingPackaging InspectionPresence DetectionReflectance VariationQuality Control