Panasonic CX-425-P Diffuse Reflective Photoelectric Sensor

Technical Overview

Compact diffuse-reflective photoelectric sensor with 100mm sensing range, PNP output, 12-24V DC operation, and 1ms response, rated IP67.

Key Features

Compact design for versatile installation in confined spaces.
Diffuse reflective sensing principle with a precise 100 mm detection range.
PNP open-collector output type for compatibility with common industrial control systems.
Fast response time of 1 ms or less, suitable for high-speed applications.
IP67 protection rating ensures high resistance against dust and water ingress.
Equipped with an orange LED operation indicator and a green LED stability indicator.
Incorporated short-circuit protection for enhanced system reliability.
Switchable Light-ON / Dark-ON output operation for application flexibility.
Utilizes an Infrared LED as its light source for object detection.

Technical Specification Matrix

Parameter	Value
Sensing Type	Diffuse Reflective
Sensing Range	100 mm
Light Source	Infrared LED
Supply Voltage	12 to 24 V DC ± 10 %
Ripple P-P	10 % or less
Current Consumption	13 mA or less
Output Type	PNP Open-Collector Transistor
Max Sink Current	100 mA
Applied Voltage (Output)	30 V DC or less (between output and 0 V)
Residual Voltage (Output)	2 V or less (at 100 mA sink current), 1 V or less (at 16 mA sink current)
Output Operation	Switchable (Light-ON / Dark-ON)
Short-Circuit Protection	Incorporated
Response Time	1 ms or less
Protection Rating	IP67 (IEC)
Ambient Operating Temperature	-25 to +55℃
Ambient Storage Temperature	-30 to +70℃
Ambient Operating/Storage Humidity	35 to 85 % RH
Ambient Illuminance (Incandescent light)	3,000 lx or less
Hysteresis	15 % or less of operation distance
Repeatability (perpendicular to sensing axis)	1 mm or less
Operation Indicator	Orange LED (lights up when the output is ON)
Stability Indicator	Green LED (lights up under stable light received condition or stable dark condition)
Physical Weight (kg)	0.15
Dimensions L x W x H (cm)	0 x 0 x 0

Industrial Applications

1. Conveyor System Object Presence Detection

This sensor can accurately detect the presence or absence of items on a production line conveyor belt, regardless of whether they are opaque or translucent, due to its diffuse reflective sensing capability. Its 100 mm sensing range is ideal for typical conveyor widths, and the 1 ms response time ensures reliable detection even for fast-moving products. The PNP output integrates seamlessly with most industrial PLCs.

Problem Solved

Prevents product jams or missed counts by reliably detecting items on a conveyor, enhancing automation efficiency and preventing system downtime.

Conveyor beltobject detectionpresence sensingdiffuse reflective100mm range1ms responsePNP outputindustrial automation

2. Packaging Line Component Verification

The Panasonic CX-425-P can verify the presence of bottle caps or other small components in a packaging machine. Its 100 mm diffuse reflective sensing allows for non-contact detection of objects within a short distance, and the 1 ms response time is crucial for high-speed packaging operations. The IP67 rating protects it from splashes or dust common in packaging environments, ensuring consistent operation.

Problem Solved

Ensures proper assembly and quality control in packaging processes by detecting missing components, reducing defective products and rework.

Packaging machinecomponent verificationcap detectionquality controldiffuse reflectiveIP671ms responseshort-range detection

3. Automated Assembly Line Part Confirmation

This compact sensor is suitable for integration onto robotic grippers or end-effectors in automated assembly lines. Its 100 mm diffuse reflective range allows the robot to confirm the presence of a part before or after gripping, ensuring successful pick-and-place operations. The 12-24V DC operation and PNP output are standard for robotic control systems, and its compact size is advantageous for mounting in confined spaces.

Problem Solved

Verifies successful part acquisition and placement by robots, improving assembly accuracy and preventing robotic arm collisions or failed operations due to missing parts.

Robotic assemblypick-and-placepart presencegripper sensordiffuse reflective100mmPNP interfacecompact