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Panasonic EX-31B Photoelectric Sensor
The Panasonic EX-31B Photoelectric Sensor (Part Number: UEX31B) is a high-performance photoelectric sensor designed for detecting opaque objects with a sensing range of 500 mm (19.685 in). It is capable of detecting objects with a diameter of 2 mm (0.079 in) or larger. The EX-31B is ideal for industrial environments where precise and reliable object detection is critical. It offers excellent repeatability and response time of 0.5 ms, ensuring fast and accurate feedback in a variety of applications.
This sensor features an NPN open-collector transistor output with a maximum sink current of 50 mA and short-circuit protection, making it suitable for a wide range of control and automation systems. The IP67-rated housing ensures protection against dust and water ingress, making it highly durable in harsh environments.
The Panasonic EX-31B Photoelectric Sensor operates over a broad ambient temperature range from -25°C to +55°C (-13°F to +131°F), ensuring reliable performance even under extreme conditions. Additionally, the operation indicator (orange LED) and stability indicator (green LED) provide real-time status feedback to ensure optimal performance.
Key features :-
Brand | Panasonic |
Product Number | EX-31B |
Part Number | UEX31B |
Regulatory compliance | EMC Directive, RoHS Directive |
CE Marking Directive Compliance | EMC Directive, RoHS Directive |
Sensing Range | 500 mm 19.685 in |
Sensing Object | dia. 2 mm dia. 0.079 in or more opaque object (Completely beam interrupted objects) |
Hysteresis | - |
Repeatability (Perpendicular to Sensing Axis) | 0.05 mm 0.002 in or less |
Supply Voltage | 12 to 24 V DC plus or minus 10 % Ripple P-P 10 % or less |
Current Consumption | Emitter: 10 mA or less Receiver: 10 mA or less |
Output | NPN open-collector transistor - Maximum sink current: 50 mA - Applied voltage: 30 V DC or less (between output and 0 V) - Residual voltage: 2 V or less (at 50 mA sink current), 1 V or less (at 16 mA sink current) |
Output: Utilization Category | DC-12 or DC-13 |
Output: Output Operation | Dark-ON |
Output: Short-Circuit Protection | Incorporated |
Response Time | 0.5 ms or less |
Operation Indicator | Orange LED (lights up when the output is ON) (incorporated on the receiver) |
Stability Indicator | Green LED (lights up under stable light received condition or stable dark condition, incorporated on the receiver) |
Sensitivity Adjuster | - |
Pollution Degree | 3 (Industrial environment) |
Protection | IP67 (IEC) |
Ambient Temperature | -25 to +55 degrees -13 to +131 degrees Fahrenheit (No dew condensation or icing allowed), Storage: -30 to +70 degrees -22 to +158 degrees Fahrenheit |
Ambient Humidity | 35 to 85 % RH, Storage: 35 to 85 % RH |
Ambient Illuminance | Incandescent light: 3,000 lx or less at the light-receiving face |
Voltage Withstand ability | 1,000 V AC for one min. between all supply terminals connected together and enclosure |
Insulation Resistance | 20 MOhm , or more, with 250 V DC megger between all supply terminals connected together and enclosure |
Vibration Resistance | 10 to 500 Hz frequency, 3 mm 0.118 in double amplitude (20 G max.) in X, Y and Z directions for two hours each |
Shock Resistance | 500 m/s2 acceleration (50 G approx.) in X, Y and Z directions three times each |
Emitting Element | Red LED (modulated) |
Material | Enclosure: Die-cast zinc (Nickel plated) Lens: Polycarbonate Enclosure cover: Polycarbonate |
Cable | 0.1 mm2 3-core (emitter: 2-core) cabtyre cable, 2 m 6.562 ft long |
Cable Extension | Extension up to total 50 m 164.042 ft is possible with 0.3 mm2, or more, cable (both emitter and receiver). |
Applications :-
- Industrial Automation: Ideal for object detection in automated systems and manufacturing lines.
- Material Handling: Provides reliable detection for sorting and conveying systems.
- Packaging: Ensures precise detection of objects in packaging systems, improving accuracy and speed.
- Automation & Control: Suitable for object presence detection in industrial automation applications.
Precautions :-
- Ensure Correct Wiring: Incorrect connections can cause sensor failure
- Avoid Overvoltage: Operating within 10-30V DC prevents damage
- Protect from Extreme Heat: Avoid installing near high-temperature sources
- Regular Cleaning: Keep the optical lens free from dust and debris for optimal performance
Note : All tax and custom duty should be pay by buyer only.
Note: All trademarks and trade names used are the property of their respective owners.
Note : All tax and custom duty should be pay by buyer only.
Note: All trademarks and trade names used are the property of their respective owners.
Accuracy Disclaimer: Specifications provided are based on datasheet and are subject to change without notice. While every effort has been made to ensure accuracy, errors may occur. Users are encouraged to verify specifications with the manufacturer and consult for any specific questions or requirements.
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