Pepperl+Fuchs RL31-54_25_73C_136 Retroreflective Sensor

USD 69.84

Retroreflective sensor with 9m range, 10-30VDC, IP67, 1000Hz switching, and dual push-pull outputs for robust industrial object detection.

SKU PEPPERL-FUCHS-RL31-54/25/73c/136 Category
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P+F RL31-54/25/73C/136 Retroreflective Photoelectric Sensor

Model Identifier RL31-54/25/73C/136
Official Part Number RL31-54/25/73C/136
GTIN Standard NA

Technical Overview

The Pepperl+Fuchs RL31-54/25/73C/136 is a retroreflective photoelectric sensor featuring a polarization filter, housed in a compact plastic body. It offers a 9-meter detection range and utilizes modulated visible red light (630 nm). Designed for DC applications, it comes equipped with two push-pull outputs and connects via an M12 plug. This sensor is engineered for high-performance industrial automation, providing reliable and precise object detection.

Key Features

  • Compact and stable housing.
  • Glare protected with polarization filter.
  • Highly visible LED for status indication.
  • Equipped with 2 push-pull outputs.
  • M12 plug connection for easy integration.
  • Detection range up to 9000 mm.
  • Supply voltage range of 10-30 VDC.
  • IP67 degree of protection.
  • Utilizes modulated visible red light (630 nm).

High-performance retroreflective photoelectric sensor with a 9-meter detection range and powerful push-pull outputs for reliable presence detection in industrial automation.

Technical Specification Matrix

ParameterValue
Effective Detection Range0 ... 9000 mm
Reflector Distance20 ... 9000 mm
Threshold Detection Range12 m
Reference Target ReflectorC110-2
Light SourceLED
Light TypeModulated visible red light, 630 nm
Diameter of Light SpotApprox. 200 mm at 6 m distance
Angle of Divergence3 °
Ambient Light Limit100000 Lux
Switching TypeLight on
Signal Output2 push-pull outputs, short-circuit protected, reverse polarity protected
Switching VoltageMax. 30 V DC
Switching CurrentMax. 100 mA
Voltage Drop< 2.5 V
Switching Frequency1000 Hz
Response Time0.5 ms
Product StandardEN 60947-5-2
UL ApprovalcULus Listed, General Purpose, Class 2 Power Source
Ambient Temperature-25 ... 60 °C (-13 ... 140 °F)
Storage Temperature-30 ... 70 °C (-22 ... 158 °F)
Degree of ProtectionIP67
Connection TypeM12 connector, 4-pin
Housing MaterialPC (Polycarbonate)
Optical Face MaterialPMMA (Polymethylmethacrylate)
Cable MaterialPVC

Industrial Applications

1. High-Speed Pallet Detection on Conveyor Systems

This sensor is ideal for detecting the presence and position of pallets on high-speed conveyor belts. Its 9-meter detection range accommodates large objects, and the 1000 Hz switching frequency with 0.5 ms response time ensures accurate sensing of rapidly moving items, preventing jams and optimizing flow.

Problem Solved

Accurate and rapid detection of pallets on high-speed industrial conveyor systems to prevent bottlenecks and ensure smooth material flow.

ConveyorPallet DetectionHigh SpeedMaterial Handling1000 Hz Switching Frequency0.5 ms Response Time9m Detection Range

2. Vehicle Positioning in Automated Guided Vehicle (AGV) Systems

Integrating this sensor into AGV systems enables precise positioning and obstacle avoidance. The 9-meter range allows AGVs to detect docking stations, obstacles, and other vehicles from a distance, while the polarization filter minimizes interference from reflective surfaces common in industrial environments, enhancing navigation reliability.

Problem Solved

Ensuring accurate vehicle positioning and reliable obstacle detection for AGVs in challenging industrial environments with reflective surfaces.

AGVVehicle PositioningNavigationObstacle DetectionPolarization Filter9m Detection Range-25 to 60 °C Ambient Temperature

3. Object Counting on Production Lines in Humid or Dusty Environments

The sensor's IP67 rating makes it perfectly suited for object counting applications in harsh environments like food processing, bottling plants, or woodworking where dust and moisture are prevalent. Its 9-meter range and high switching frequency (1000 Hz) ensure precise counting of various-sized objects, even if they are fast-moving or closely spaced.

Problem Solved

Providing accurate and reliable object counting on production lines operating in humid or dusty industrial environments, resisting environmental degradation.

Object CountingProduction LineIP67Humid EnvironmentDusty Environment1000 Hz Switching Frequency0.5 ms Response Time
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