Panasonic CX-491 Photoelectric Sensor

USD 29.85

Compact retroreflective photoelectric sensor with a 3m range, NPN output, and IP67 rating. Features polarizing filters for shiny object detection.

SKU Panasonic-CX-491 Category
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Panasonic CX-491 Photoelectric Sensor

Model Identifier CX-491
Official Part Number CX-491
GTIN Standard NA

Technical Overview

Compact retroreflective photoelectric sensor with a 3m range, NPN output, and IP67 rating. Features polarizing filters for shiny object detection.

Key Features

  • Retroreflective sensing method with polarizing filters
  • Sensing range of up to 3 meters
  • NPN open-collector transistor output
  • Switchable Light-ON or Dark-ON operation
  • IP67 protection rating for use in dusty and wet environments
  • Incorporated output short-circuit protection
  • Continuously variable sensitivity adjuster
  • Red LED light source for easy alignment

Up to 60% less power consumption compared to previous models.

Technical Specification Matrix

ParameterValue
Sensing Range0 to 3m
Supply Voltage12 to 24V DC
Current Consumption13 mA or less
OutputNPN open-collector transistor
Maximum Sink Current100 mA
Response Time1 ms or less
IP RatingIP67
Operating Temperature-25 to +55°C
Body MaterialPBT
Lens MaterialAcrylic
Light SourceRed LED
Physical Weight (kg)0.05
Dimensions L x W x H (cm)2 x 1.12 x 3.1

Industrial Applications

1. Conveyor Line Object Detection

On a fast-moving packaging conveyor line, the CX-491 can be used to reliably detect the presence of boxes, bottles, or other items. Its 1ms response time ensures that even rapidly passing objects are detected, and the NPN output can be used to trigger a counter or a downstream process like a labeling machine.

Problem Solved

The sensor's IP67 rating ensures reliable operation even in environments with dust or washdowns. The polarizing filters allow for the detection of shiny or translucent objects, which can be challenging for standard photoelectric sensors.

Conveyor SystemObject DetectionPackaging AutomationIP67Retroreflective

2. Automated Guided Vehicle (AGV) Docking Confirmation

An AGV in a warehouse needs to precisely align with a charging station or a loading bay. The CX-491, mounted on the AGV, can detect a reflector placed at the docking point. The 3m sensing range allows for detection from a suitable distance, and the NPN output can signal the AGV's control system to stop or adjust its position.

Problem Solved

The sensor's compact size (11.2x31x20mm) allows for easy integration into the limited space on an AGV. The 12-24V DC power requirement is compatible with typical AGV power systems.

AGVPositioningWarehouse Automation12-24V DCCompact Sensor

3. Access Gate and Barrier Control

For a vehicle access gate, the CX-491 can be used as a safety or presence sensor. A reflector is mounted on the opposite side of the gate's path, and if a vehicle or person breaks the beam, the sensor's NPN output will signal the gate controller to stop or reverse, preventing accidents.

Problem Solved

The sensor's reliable operation in various lighting conditions and its IP67 rating make it suitable for outdoor use. The selectable Light-ON/Dark-ON modes provide flexibility in the control logic for the gate system.

Access ControlSafety SensorGate AutomationIP67Light-ON/Dark-ON
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