Omron E3JK-5M2-N Photoelectric Switch: Comprehensive Technical Guide for Industrial Automation
Omron E3JK-5M2-N Photoelectric Switch
5-Meter Sensing Distance Industrial Photoelectric Sensor with Relay Output
The Omron E3JK-5M2-N is a high-performance photoelectric switch designed for industrial automation applications requiring reliable object detection at distances up to 5 meters. This versatile sensor combines advanced infrared LED technology with robust construction for demanding industrial environments.
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Technical Specifications
| Parameter | Specification | Details |
|---|---|---|
| Sensing Distance | 5 meters | Maximum detection range |
| Light Source | Infrared LED | High-intensity infrared light source |
| Output Configuration | Relay SPDT-DO | Single Pole Double Throw - Dry Output |
| Connection Method | Pre-Cable | Factory-installed cable connection |
| Power Supply | 24-240 VAC / 12-240 VDC | Wide voltage range compatibility |
| Operation Mode | DARK-ON | Output activates when light is blocked |
| Detection Method | Transmitter-Receiver | Through-beam sensing technology |
| IP Rating | IP65 | Dust-tight and protected against water jets |
| Max Operating Current | 3A | High current handling capability |
| Response Time | ≤ 20ms | Fast response for high-speed applications |
Key Features & Benefits
Advanced Sensing Technology
The E3JK-5M2-N utilizes infrared LED technology with a 5-meter sensing distance, making it ideal for applications requiring long-range object detection. The through-beam design ensures reliable operation even in challenging environmental conditions.
Versatile Power Compatibility
With support for both AC (24-240V) and DC (12-240V) power supplies, this photoelectric switch offers exceptional flexibility for integration into various industrial control systems. This wide voltage range compatibility reduces the need for additional power conversion equipment.
Robust Industrial Design
Featuring an IP65 protection rating, the E3JK-5M2-N is designed to withstand harsh industrial environments. The enclosure provides protection against dust ingress and water jets, ensuring reliable operation in manufacturing facilities, warehouses, and outdoor applications.
Relay Output Configuration
The SPDT (Single Pole Double Throw) relay output provides dry contact switching capability, allowing direct interface with PLCs, contactors, and other control devices without requiring additional interface modules.
For detailed specifications and to purchase this industrial-grade photoelectric switch, visit our product page.
Industrial Applications
The Omron E3JK-5M2-N photoelectric switch is suitable for a wide range of industrial automation applications:
- Conveyor Systems: Object detection, package counting, and position verification
- Material Handling: Presence detection for automated storage and retrieval systems
- Packaging Machinery: Product positioning and fill level detection
- Automotive Manufacturing: Part presence verification on assembly lines
- Warehouse Automation: Pallet detection and inventory management
- Security Systems: Intrusion detection and access control
- Food Processing: Container detection and production line monitoring
- Pharmaceutical Manufacturing: Sterile environment object detection
The E3JK-5M2-N is particularly valuable in applications requiring long-distance sensing capabilities combined with industrial-grade reliability.
Installation & Wiring Guidelines
Mounting Considerations
When installing the E3JK-5M2-N photoelectric switch, ensure proper alignment between the transmitter and receiver units. The maximum sensing distance of 5 meters can be achieved with optimal alignment and clean optical surfaces.
Wiring Configuration
The pre-cable connection simplifies installation with clearly labeled wires:
- Brown Wire: Power supply positive/phase
- Blue Wire: Power supply negative/neutral
- Black Wire: Normally open (NO) contact
- White Wire: Common contact
- Gray Wire: Normally closed (NC) contact
Environmental Considerations
While the IP65 rating provides excellent protection, avoid direct exposure to corrosive chemicals or extreme temperatures beyond the specified operating range (-25°C to +55°C).
For complete installation instructions and technical support, refer to the product documentation available on our website.
Frequently Asked Questions (FAQ)
Technical Comparison with Similar Models
| Model | Sensing Distance | Output Type | Power Supply | Key Feature |
|---|---|---|---|---|
| E3JK-5M2-N | 5 meters | Relay SPDT | 24-240VAC/12-240VDC | Long-range, IP65 |
| E3JK-5DM2-N | 5 meters | PNP Transistor | 12-24VDC | DC only, faster response |
| E3JK-5L-N | 5 meters | NPN Transistor | 12-24VDC | DC only, sinking output |
| E3JK-5DS3 | 5 meters | Relay SPDT | 24-240VAC/12-240VDC | Previous generation |
The E3JK-5M2-N offers the best combination of long sensing distance, versatile power compatibility, and robust relay output for general industrial applications.
Maintenance & Troubleshooting
Regular Maintenance
To ensure optimal performance:
- Regularly clean the optical lenses with a soft, lint-free cloth
- Check cable connections for signs of wear or damage
- Verify proper alignment between transmitter and receiver
- Monitor for environmental changes that may affect performance
Common Issues & Solutions
Issue: Intermittent detection or false triggers
Solution: Check for environmental interference, ensure proper alignment, and verify power supply stability
Issue: No output signal
Solution: Verify power supply connections, check for damaged cables, and ensure the sensing path is clear
Issue: Reduced sensing distance
Solution: Clean optical surfaces, check for obstructions, and verify alignment
Ready to Integrate Omron E3JK-5M2-N into Your Automation System?
This industrial-grade photoelectric switch offers reliable long-distance object detection with the quality and durability expected from Omron products.
Purchase Omron E3JK-5M2-N NowGenuine Omron product with manufacturer warranty | Technical support available
