Omron E3T-SL11 Photoelectric Sensor: Complete Guide for Industrial Automation Applications
Omron E3T-SL11 Photoelectric Sensor: Complete Guide for Industrial Automation Applications
The Omron E3T-SL11 is an ultra-compact photoelectric sensor designed for precise object detection in industrial automation systems. This comprehensive guide covers everything you need to know about this reliable sensor for PLC integration.
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The Omron E3T-SL11 is a high-performance photoelectric sensor from Omron's E3T series, featuring ultra-compact design with built-in amplifier. This limited reflective sensor offers precise detection capabilities with a sensing distance of 5 to 15 mm, making it ideal for space-constrained industrial applications.
Demonstration video showing the E3T-SL11 sensor in operation
Technical Specifications
| Parameter | Specification | Details |
|---|---|---|
| Model | E3T-SL11 | Ultracompact Photoelectric Sensor |
| Sensing Method | Limited Reflective | Convergent beam type |
| Sensing Distance | 5 mm to 15 mm | Adjustable detection range |
| Light Source | Red LED | 650 nm wavelength |
| Output Configuration | NPN | Open collector output |
| Supply Voltage | 12V to 24V DC | Ā±10% tolerance |
| Switching Current | 50 mA max | Maximum load capacity |
| Response Time | 1 ms max | Fast detection capability |
| Connection Method | Pre-leaded (2m cable) | Direct wiring connection |
| Mounting | M2 mounting holes | Compact installation |
| Operating Temperature | -25Ā°C to +55Ā°C | Wide temperature range |
| Protection Rating | IP50 | Dust protected |
For detailed specifications and to purchase the Omron E3T-SL11 photoelectric sensor, visit our product page.
Key Features and Benefits
Ultra-Compact Design
The E3T-SL11 features an exceptionally compact rectangular body style, making it ideal for applications where space is limited. Its small footprint allows for installation in tight spaces without compromising performance.
Precise Detection Capability
With a convergent beam sensing method and adjustable detection range of 5-15 mm, this sensor provides accurate object detection with minimal background interference. The limited reflective design ensures reliable operation even in challenging environments.
Easy Integration
The pre-leaded 2-meter cable simplifies installation and connection to PLC systems. The NPN output configuration is compatible with most industrial control systems, making integration straightforward.
Fast Response Time
With a maximum response time of 1 ms, the E3T-SL11 can detect rapidly moving objects, making it suitable for high-speed production lines and automated systems.
Industrial Applications
Assembly Line Detection
Perfect for detecting small components on conveyor belts, ensuring proper positioning and presence verification in automated assembly systems.
Packaging Machinery
Used for detecting product presence, counting items, and verifying proper packaging in food, pharmaceutical, and consumer goods industries.
Robotic Systems
Integrated into robotic arms and end effectors for precise object detection and positioning in pick-and-place applications.
Material Handling
Monitors material flow, detects jams, and verifies proper loading/unloading in automated material handling systems.
Quality Control
Verifies product dimensions, detects defects, and ensures quality standards are met in manufacturing processes.
PLC Integration
Seamlessly connects to PLC systems from major manufacturers including Siemens, Allen-Bradley, Mitsubishi, and Omron for comprehensive automation control.
Installation and Wiring Guide
Mounting Considerations
The E3T-SL11 features M2 mounting holes for secure installation. Ensure proper alignment with the target object and maintain the recommended sensing distance of 5-15 mm for optimal performance.
Wiring Configuration
The sensor comes with a 2-meter pre-leaded cable with the following wire colors:
- Brown Wire: +V (12-24V DC)
- Blue Wire: 0V (Ground)
- Black Wire: Output (NPN open collector)
PLC Connection
Connect the black output wire to the PLC input module. The NPN output provides a sinking current when the sensor detects an object, triggering the PLC input.
For reliable performance and easy procurement, consider purchasing the Omron E3T-SL11 photoelectric sensor from our trusted supplier.
Frequently Asked Questions (FAQ)
The E3T-SL11 is specifically designed for limited reflective sensing with a 5-15 mm range. Other E3T models may offer different sensing methods (through-beam, diffuse reflective) or different sensing distances to suit various application requirements.
Yes, the E3T-SL11 operates on 12-24V DC, making it compatible with both 12V and 24V industrial control systems. The wide voltage range provides flexibility in system design.
The E3T-SL11 has a maximum response time of 1 millisecond, allowing it to detect rapidly moving objects in high-speed automation applications.
The E3T-SL11 has an IP50 protection rating, which provides dust protection but is not waterproof. For outdoor or harsh environment applications, consider sensors with higher IP ratings or additional protective enclosures.
The sensing distance is factory-set for optimal performance within the 5-15 mm range. For precise adjustment, refer to the technical documentation and ensure proper alignment with the target object.
You can purchase authentic Omron E3T-SL11 photoelectric sensors from our authorized distributor with guaranteed quality and technical support.
Trust Metrics and Industry Recognition
Omron Quality Standards: All Omron sensors undergo rigorous testing and quality control procedures to ensure reliability and performance in industrial environments.
Industry Certifications: Omron products comply with international standards including CE, UL, and RoHS directives, ensuring safety and environmental compliance.
Global Availability: The E3T-SL11 is available through authorized distributors worldwide, with comprehensive technical support and documentation.
Proven Reliability: With decades of experience in industrial automation, Omron sensors are trusted by manufacturers across various industries for critical detection applications.
Purchase Genuine Omron E3T-SL11 SensorComparison with Similar Sensors
| Feature | E3T-SL11 | E3T-ST11 (Through-beam) | E3T-SR11 (Diffuse Reflective) |
|---|---|---|---|
| Sensing Method | Limited Reflective | Through-beam | Diffuse Reflective |
| Sensing Distance | 5-15 mm | 0-2 m | 0-100 mm |
| Application | Precise short-range detection | Long-range detection | General purpose detection |
| Background Suppression | Excellent | Not applicable | Limited |
| Installation Complexity | Low | Medium (requires emitter/receiver) | Low |
Maintenance and Troubleshooting
Regular Maintenance
Periodically clean the sensor lens with a soft, dry cloth to maintain optimal performance. Avoid using abrasive materials or solvents that could damage the optical components.
Common Issues and Solutions
- Intermittent Detection: Check for proper alignment and clean the sensor lens
- No Output Signal: Verify power supply voltage and wiring connections
- False Triggers: Ensure no reflective surfaces are within the sensing area
- Reduced Sensing Distance: Clean lens and check for environmental contamination
Technical Support
For technical assistance or to purchase replacement sensors, visit our product page for the Omron E3T-SL11 photoelectric sensor.
Conclusion
The Omron E3T-SL11 photoelectric sensor represents an excellent choice for industrial automation applications requiring precise, short-range object detection. Its ultra-compact design, reliable performance, and easy integration with PLC systems make it a valuable component in modern manufacturing environments.
Whether you're upgrading existing equipment or designing new automation systems, the E3T-SL11 offers the reliability and precision that Omron is known for. For your automation needs, consider the Omron E3T-SL11 photoelectric sensor as your solution for accurate object detection.
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