Panasonic CX-491-P-Z Retroreflective Photoelectric Sensor

USD 72.00

Compact IP67 retroreflective photoelectric sensor with 3m range, PNP output, 12-24VDC, M8 connector, and strong resistance to noise, oils, and coolants.

SKU Pananonic-CX-491-P-Z Category
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Panasonic CX-491-P-Z Retroreflective Photoelectric Sensor

Model Identifier CX-400 Series
Official Part Number CX-491-P-Z
GTIN Standard NA

Technical Overview

Compact IP67 retroreflective photoelectric sensor with 3m range, PNP output, 12-24VDC, M8 connector, and strong resistance to noise, oils, and coolants.

Key Features

  • IP67 rated for demanding environments, resistant to dust, water, oil, and coolants.
  • Retroreflective sensing method with polarizing filters for reliable detection of various target materials.
  • Sensing range of 3 meters (9.843 ft) with the included RF-230 reflector.
  • PNP open-collector transistor output with a maximum source current of 100 mA.
  • Output operation is switchable between Light-ON and Dark-ON.
  • Operating voltage range of 12 to 24 VDC.
  • Fast response time of 1 ms or less.
  • High resistance to high-frequency noise and automatic interference prevention function, allowing close mounting of multiple sensors.
  • Compact rectangular body with PBT enclosure and tough acrylic lens.
  • M8 4-pin quick-disconnect connector for easy installation.
  • Red LED light source (680nm) for visible sensing indication.
  • Short-circuit protection incorporated for output safety.
  • RoHS3 Compliant.

High electrical noise resistance and a built-in interference prevention function ensure reliable operation in electrically noisy industrial settings. It also features power consumption reductions up to 60% compared to previous models.

Technical Specification Matrix

ParameterValue
Sensing MethodRetroreflective with polarizing filters
Sensing Range3 m (with RF-230 reflector)
Supply Voltage12 to 24 VDC ±10%
Current Consumption13 mA or less
Output TypePNP open-collector transistor
Max Output Current100 mA
Applied Output Voltage30 VDC or less
Residual Output Voltage2 V or less (at 100 mA), 1 V or less (at 16 mA)
Output OperationLight-ON / Dark-ON selectable
Short-circuit ProtectionIncorporated
Response Time1 ms or less
Operating Temperature-25°C to +55°C
Protection RatingIP67
Body MaterialPBT enclosure, Acrylic lens
Light SourceRed LED (680nm)
Connection TypeM8 4-pin connector
Minimum Sensing TargetØ50 mm or more (opaque, translucent, or specular)
Repeatability (perpendicular to sensing axis)0.5 mm or less
Physical Weight (kg)0.05
Dimensions L x W x H (cm)2 x 1.12 x 3.1

Industrial Applications

1. Conveyor System Object Detection in Wet Environments

This sensor can reliably detect the presence and position of products on a conveyor belt in manufacturing and packaging facilities where exposure to water, coolants, or washdown procedures is common.

Problem Solved

Ensures consistent and accurate product tracking and counting in industrial settings, preventing errors due to sensor failure from moisture or contaminants, thanks to its IP67 rating and resistance to oils and coolants.

Object detectionConveyor systemsIP67Retroreflective3m sensing rangeOil/coolant resistance

2. Automated Material Handling in Cold Storage Facilities

The CX-491-P-Z is suitable for detecting pallets or goods on automated guided vehicles (AGVs) or in cold storage warehouses, providing critical feedback for logistics and inventory management.

Problem Solved

Offers reliable detection in temperature-controlled environments, including freezers, due to its wide operating temperature range (-25°C to +55°C), ensuring continuous operation without performance degradation.

Automated Guided Vehicle (AGV)Pallet detectionCold storage-25°C operating temperature3m sensing rangePNP output

3. Machine Tool Presence Sensing with Enhanced Noise Immunity

Integrated into CNC machinery or other heavy industrial equipment, this sensor can monitor tool presence, workpiece positioning, or safety door closures, especially where high electrical noise is prevalent.

Problem Solved

Provides accurate and stable detection in electrically noisy industrial environments, preventing false triggers and enhancing safety and operational precision due to its high resistance to high-frequency noise and interference prevention function.

Machine toolPresence sensingElectrical noise resistance1ms response time12-24VDCShort-circuit protection
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