Omron PHOTO ELECTRIC Sensor - E3JK-DR11 2M
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Product Information
Full details
The Omron E3JK-DR11 2M is a diffuse photoelectric sensor designed for industrial automation and general-purpose detection tasks. It offers reliable object sensing with a 2.5m detection range and a relay output, making it suitable for various control applications. A key benefit is its robust IP64 rating for protection against dust and water. However, users should note that it requires a 240V AC maximum voltage for operation.
All features
| Brand | Omron |
|---|
Extended Product Information
FAQs
What is the maximum detection range of the E3JK-DR11 2M?
The maximum detection range for the Omron E3JK-DR11 2M is 2.5 meters.
What type of output does this sensor have?
This sensor features a relay output, providing a contact closure for control signals.
Is this sensor suitable for outdoor use?
With its IP64 rating, the sensor is protected against dust and water splashes, making it suitable for many outdoor industrial applications, but not for direct exposure to heavy rain or submersion.
What is the power requirement for the E3JK-DR11 2M?
The sensor operates on AC voltage with a maximum of 240V.
Can this sensor detect transparent objects?
Diffuse photoelectric sensors typically have difficulty detecting highly transparent objects without specific features or setup. It is best suited for opaque or semi-opaque objects.
What is the response time of the sensor?
The response time for the Omron E3JK-DR11 2M is 20 milliseconds.
What material is the housing made of?
The housing is made of durable ABS material.
Troubleshooting
Sensor does not detect objects.
Verify power supply is connected and within the correct voltage range. Ensure the object is within the 2.5m detection range and has sufficient reflectivity for diffuse sensing. Check for any obstructions or dirt on the sensing lens.
Output is always ON or always OFF.
Confirm wiring of the relay output. Check if the light source is functioning and if ambient light is interfering. Refer to the specific output logic (e.g., Light-ON/Dark-ON) if applicable and ensure it is set correctly.
Intermittent detection.
Check for environmental factors such as dust, vibration, or significant temperature fluctuations that might affect performance. Ensure the sensing beam is not being obstructed by anything other than the target object.
Sensor fails after a short period.
Verify the operating voltage is stable and within the specified limits. Ensure the ambient temperature is within the operating range (-25°C to +55°C). Check for potential electrical surges or improper wiring.
Pros and Cons
Pros
- Reliable detection in diverse industrial environments due to IP64 rating.
- Versatile relay output for broad system integration.
- Easy setup with a direct sensing method and included cable.
- Durable ABS housing material.
Cons
- Limited detection range compared to some specialized sensors.
- Requires AC voltage up to 240V, not suitable for low-voltage DC systems.
- Response time of 20ms might be too slow for extremely high-speed applications.
- Relay output may have a limited switching lifespan compared to solid-state outputs.
Setup, Compatibility & Care
Setup:
- Mounting: Securely mount the sensor in the desired location, ensuring the sensing face is directed towards the area where object detection is required.
- Wiring: Connect the 5-wire cable to the appropriate power and control circuit. Refer to the sensor's documentation for specific pin assignments.
- Power Connection: Ensure the power supply is within the specified AC voltage range (up to 240V AC) and matches the sensor's requirements.
Compatibility:
- Power: Compatible with AC power sources up to 240V.
- Output: The relay output can interface with most industrial control systems, PLCs, and relays that accept contact closure inputs.
Care:
- Cleaning: Periodically clean the sensing face with a soft, dry or slightly damp cloth. Avoid using abrasive cleaners or solvents, which could damage the housing or lens.
- Environment: While IP64 rated, avoid prolonged immersion in water or exposure to high-pressure jets not within the rating's specifications.