Panasonic Micro Photoelectric Sensors – Complete Guide
Introduction
Panasonic Micro Photoelectric Sensors are compact, high-performance sensors designed to detect the presence or absence of objects using light. These sensors are ideal for applications with limited space, offering precision and fast response times. Their small size doesn’t compromise performance, making them a popular choice in automation, robotics, electronics, packaging, and more.
Types of Panasonic Micro Photoelectric Sensors
Panasonic offers several models under the EX and PM series, with each tailored for specific applications and installation constraints:
✅ EX-Z Series (Ultra-compact, side-view type)
Sensor body as small as 3 mm thick
Easy mounting on limited space like robotic arms
✅ EX-10 Series
One of the world’s smallest photoelectric sensors
3 types: Through-beam, diffuse-reflective, and fixed-focus reflective
✅ PM-25/PM-45/PM-65 Series (Convergent reflective type)
Ultra-small sensor head with flexible cable
Precise detection in tight spaces
✅ EX-20 Series
Thin and long body type
Through-beam and reflective models available
Key Features
🔹 Ultra-Compact Size
Sensor heads as small as a matchstick
Can fit into extremely tight spaces and micro mechanisms
🔹 High-Speed Response
Response times as fast as 0.5 ms to 1 ms
Ideal for high-speed production lines or conveyor systems
🔹 Stable Sensing with High Precision
Highly focused beam for stable object detection
Excellent background suppression for consistent performance
🔹 LED Light Source
Red LED or infrared LED for different model types
Long life and low power consumption
🔹 Easy Mounting & Installation
Side-view or front-view detection types
Models with flexible cables or connector types
🔹 Protection & Durability
IP64 to IP67 protection ratings depending on the model
Resistant to dust, oil, and water splashes
Technical Specifications (Example: EX-10 Series)
Feature Specification
Sensing Method Through-beam / Diffuse-reflective
Sensing Distance 3 mm to 1000 mm (model-dependent)
Light Source Red LED / Infrared LED
Response Time Max. 0.5 ms
Output Type NPN / PNP open collector
Power Supply 12–24V DC ±10%
Protection Rating IP67
Cable Type 2 or 3 wire, standard or connector
Operating Temperature -25°C to +55°C
Indicator Operation and stability indicators
Applications of Panasonic Micro Photoelectric Sensors
These sensors are used across a wide range of industries and applications, including:
🔧 Electronics Manufacturing
Component presence detection on PCB
Positioning and counting of electronic parts
📦 Packaging and Conveying
Object detection on conveyors
Package height verification
🤖 Robotics and Automation
End-of-arm tooling (EOAT) object detection
Fine position checking in robotic assemblies
🧪 Medical and Lab Equipment
Test tube or vial detection
Slide or tray positioning
🏭 Industrial Machinery
Gear or small part detection in machines
Feeding mechanism position control
Advantages of Panasonic Micro Photoelectric Sensors
✅ Ultra-miniature Design – Perfect for limited space
✅ Fast Response – Ideal for high-speed automation
✅ Reliable & Stable – Accurate detection even in challenging conditions
✅ Wide Model Range – Suitable for different sensing tasks
✅ Easy Integration – Standard wiring and output formats
Why Choose Panasonic Micro Photoelectric Sensors?
✔️ Trusted Japanese engineering and quality
✔️ Long lifespan and durability
✔️ Global support and documentation
✔️ Compatible with a wide range of automation equipment
✔️ Competitive pricing for OEM and industrial users
Conclusion
Panasonic Micro Photoelectric Sensors are an excellent choice for compact, high-precision sensing in industrial automation, electronics manufacturing, robotics, and packaging
