E3S-DCN21

Name: E3S-DCN21
Brand: OMRON
SKU: E3S-DCN21

The Omron E3S-DCN21 is a reliable diffuse photoelectric sensor that detects color marks with high accuracy. It boasts a narrow beam and large lens for stable detection, even on tilted workpieces. Equipped with smart noise reduction technology, this sensor ensures consistent performance in various industrial settings.

Product ModelE3S-DCN21

Product ID66459

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Sensitivity and AccuracyThe Omron E3S-DCN21 features a high luminance white LED and RGB light source, ensuring accurate detection of color marks on any type of packaging. Its sensitivity is further enhanced by the smart noise reduction technology, reducing false positives and improving overall performance.
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2. Stable Detection on Tilted WorkpiecesThe sensor's narrow beam and large lens design allows for stable detection of workpieces tilted at various angles. This feature is particularly useful in applications where workpieces may not be perfectly aligned.
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3. Robust ConstructionThe sensor is built with a diecast-zinc enclosure and PMMA lens, providing excellent durability and resistance to environmental factors. It also features elastomers buttons and ABS indicators, ensuring long-lasting operation.
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4. Versatile Power SupplyThe Omron E3S-DCN21 operates within a wide voltage range of 10 to 30VDC, making it compatible with various power supply systems. This flexibility is crucial in industrial settings where power supply configurations can vary.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Body Type

Rectangular

Connection

M12 4-pin connector

Housing Material

Diecast zinc (nickel-plated brass)

Light Source

Red LED

Max Sensing Distance

13 mm

Operation

ON when mark is detected

5. Easy Teaching and ConfigurationThe sensor supports both 2-point and 1-point teaching modes, allowing for easy configuration and setup. The digital display and LED indicators provide clear feedback during the teaching process, ensuring that the sensor is set up correctly for optimal performance.

6. IP67 Rating for Harsh EnvironmentsWith an IP67 rating, the Omron E3S-DCN21 is designed to operate in harsh environments, including those with high humidity and dust. This makes it ideal for use in manufacturing, packaging, and other industrial applications where reliability is paramount.

7. Smart Noise Reduction TechnologyThe sensor's smart noise reduction technology enhances the light intensity while reducing noise, ensuring consistent and accurate detection of color marks. This feature is particularly beneficial in applications where ambient light can interfere with the sensor's operation.

8. Wide Sensing DistanceThe Omron E3S-DCN21 offers a sensing distance of 7 to 13 mm, providing flexibility in detecting color marks on various types of packaging. This wide sensing distance ensures that the sensor can detect marks on both small and large workpieces.

9. Fast Response TimeThe sensor boasts a fast response time of 50 μs in 2-point teaching mode and 150 μs in 1-point teaching mode. This quick response time ensures that the sensor can accurately detect color marks in real-time, making it suitable for high-speed production lines.

10. NPN Output for Easy IntegrationThe Omron E3S-DCN21 provides an NPN output, making it easy to integrate with various control systems. The ON state of the output is triggered when a color mark is detected, allowing for seamless communication with other devices in the system.

Sensing Method

Diffuse-reflective

Special Feature

IO-Link

Supply Voltage

10 to 30 VDC

Type

Color Mark Sensor

Manufacturer ID