Panasonic CX-442 Photoelectric Sensor

USD 33.83

Compact photoelectric sensor with adjustable 20-300mm range and background/foreground suppression. NPN output, IP67 rating, and 1ms response time.

SKU Panasonic-CX-442 Category
Top Brands > Panasonic > Panasonic Photoelectric sensors

Panasonic CX-442 Photoelectric Sensor

Model Identifier CX-442
Official Part Number CX-442
GTIN Standard NA

Technical Overview

Compact photoelectric sensor with adjustable 20-300mm range and background/foreground suppression. NPN output, IP67 rating, and 1ms response time.

Key Features

  • Sensing range of 20 to 300 mm.
  • Adjustable range with a 5-turn potentiometer.
  • Selectable Light-On/Dark-On output mode.
  • IP67 protection rating for dust and water resistance.
  • Fast response time of 1 ms or less.
  • NPN open-collector transistor output.
  • Red LED light source for easy alignment.
  • Equipped with a 2m connection cable.

Adjustable Range Reflective Sensing with Background/Foreground Suppression

Technical Specification Matrix

ParameterValue
Sensing Range20 to 300 mm
Supply Voltage12 to 24 V DC ±10 %
Current Consumption20 mA or less
OutputNPN open-collector transistor
Maximum Sink Current100 mA
Response Time1 ms or less
Light SourceRed LED
Operating Temperature-25 to +55 °C
IP RatingIP67
Housing MaterialPBT
Lens MaterialPolycarbonate
Physical Weight (kg)0.06
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, this sensor can reliably detect the presence or absence of boxes of varying colors and sizes.

Problem Solved

The adjustable 20-300mm sensing range and background suppression are ideal for ignoring the conveyor belt surface while detecting objects. The fast 1ms response time ensures that no package is missed, even at high speeds. The IP67 rating protects the sensor from dust and washdowns common in packaging facilities.

Conveyor SystemObject DetectionBackground SuppressionIP671ms Response Time

2. Automated Assembly Line Part Verification

In an automated assembly jig, the CX-442 can be used to verify that a component has been correctly placed before the next assembly step.

Problem Solved

Its compact dimensions (11.2x31x20mm) allow for installation in tight spaces within machinery. The precise repeatability of 0.2mm perpendicular to the sensing axis ensures accurate and consistent detection of small parts, preventing assembly errors and costly rework.

Automated AssemblyPart Presence DetectionCompact SensorHigh Repeatability

3. Level Detection in a Parts Hopper

The sensor can be mounted above a parts feeder hopper to monitor the level of components and signal a refill when the level drops below a certain point.

Problem Solved

The adjustable sensing range can be set to a specific level within the hopper. The Light-On/Dark-On selectable output allows for flexible integration with the machine's control system to either activate an alarm when parts are low (Dark-On) or confirm a full state (Light-On). The 12-24V DC supply voltage is standard for industrial control panels.

Level SensingHopper Level ControlAdjustable RangeNPN Output
Select your currency