Technical Overview

Compact retroreflective photoelectric sensor with 3m sensing range, IP67 rating, PNP output, Red LED, and M12 connector.

Key Features

Built to IP67 standards for demanding environments, offering protection against dust and water immersion.
Incorporated acrylic material strongly resists oils, coolants, and ethanol, enhancing durability in harsh industrial settings.
Features high electrical noise resistance and a built-in interference prevention function, allowing for close mounting of multiple sensors.
Provides stronger output short-circuit resistance, increasing operational reliability.
Utilizes unique optics and specialized electronic circuit design to allow sensing of minute objects, down to 0.4mm (0.016 inches).
Equipped with a high-luminance Red LED light source for bright visibility and easy beam axis alignment.
Operates reliably across a wide temperature range from -25°C to 55°C.
Retroreflective sensing mode with polarizing filters for stable detection of various object types.

Technical Specification Matrix

Parameter	Value
Sensing Type	Retroreflective (with polarizing filters)
Sensing Range	3 meters (with RF-230 reflector)
Operating Supply Voltage	12-24 VDC (Operational range: 10.8V to 26.4V)
Output Type	PNP Open Collector
Response Time	1 ms
Light Source	Red LED
IP Rating	IP67
Operating Temperature Range	-25 °C to 55 °C
Connection Type	Cable with M12 Connector (2m cable length)
Minimum Sensing Target	Ø50mm (specular, translucent or opaque, with 0.5mm repeatability)
Output Current	100 mA
Physical Weight (kg)	0.05
Dimensions L x W x H (cm)	2 x 1.12 x 3.1

Industrial Applications

1. Automated Conveyor System Object Detection

This sensor can be integrated into automated conveyor systems to accurately detect the presence, absence, or position of packages and components. Its 3-meter retroreflective sensing range and compact dimensions (H3.1 x W1.12 x L2.0 cm) allow for flexible mounting in tight spaces, while the 12-24VDC operation ensures compatibility with standard industrial control systems.

Problem Solved

Ensures precise object counting, confirms material flow, and prevents bottlenecks in manufacturing and logistics lines by providing reliable presence detection in compact setups.

Conveyor beltObject detectionPresence sensingRetroreflective3m rangeCompact size12-24VDC

2. Industrial Machine Tool Component Sensing in Harsh Environments

With an IP67 rating and strong resistance to oils, coolants, and high-frequency noise, the CX-491-P-J is ideal for sensing components within CNC machines or other industrial tools where cutting fluids and debris are prevalent. The PNP open collector output can directly interface with programmable logic controllers (PLCs) for control signals.

Problem Solved

Provides robust and reliable feedback for automation in dirty, wet, and chemically aggressive machining environments, ensuring accurate component positioning and safe machine operation.

IP67Oil resistanceCoolant resistancePNP outputMachine toolsIndustrial automationPresence sensing-25°C to 55°C

3. Automated Safety Gate and Door Monitoring

The sensor's 3-meter sensing range, 1ms response time, and IP67 protection make it highly suitable for safety and access control applications involving automated industrial doors or gates. It can reliably detect obstructions in the path of moving gates, enhancing operational safety and preventing accidents.

Problem Solved

Mitigates collision risks and improves personnel safety around automated gates and doors by providing rapid and reliable obstruction detection, even in challenging environmental conditions.

Automated doorsSafety interlockAccess controlRetroreflective3m range1ms response timeIP6712-24VDC

Panasonic CX-491-P-J Photoelectric Sensor

Panasonic CX-491-P-J Photoelectric Sensor

Technical Overview

Key Features

Technical Specification Matrix

Industrial Applications

1. Automated Conveyor System Object Detection

2. Industrial Machine Tool Component Sensing in Harsh Environments

3. Automated Safety Gate and Door Monitoring