Omron E3S-DCP21-IL3 Photoelectric Sensor
The Omron E3S-DCP21-IL3 Photoelectric Sensor is a Color Mark Diffuse-reflective (mark detection) offering a precise 10±3 mm sensing distance, push-pull output, and M12 connector for reliable industrial applications. Operating on a 10 to 30 VDC power supply, it features red (635 nm), green (525 nm), and blue (465 nm) LED light sources. Manufactured by Omron under the Omron Photoelectric Sensors category, this model belongs to the Omron E3S Series. It provides 100 mA load current, IP67 protection, 960 mW power consumption, and a fast 50 μs response time for dependable mark detection performance.
| Brand | Omron |
| Product | Photoelectric Sensors |
| Model Number | E3S-DCP21-IL3 |
Omron E3S-DCP21-IL3 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Sensing Method | Diffuse-reflective (mark detection) |
| Sensing Distance | 10 ±3 mm (White paper 10 ×10 mm) |
| Light Source | Red LED (635 nm), Green LED (525 nm), Blue LED (465 nm) |
| Power Supply Voltage | 10 to 30 VDC (Ripple (p-p) 10% max.) |
| Output Configuration | Push-pull |
| Connection Method | M12, 4-pin connector |
| Power Consumption | 960 mW max. |
| Control Output | Load current: 100 mA max. (30 VDC max.) |
| Operation Mode | High when mark is detected. |
| Response Time | Operate or reset: 50 μs max. for each (2-point teaching mode), 150 μs max. for each (1-point teaching mode) |
| Sensitivity Adjustment | Teaching method |
| Ambient Illumination | Incandescent lamp: 3,000 lx max. |
| Ambient Temperature Range | Operating: −10 to 55°C; Storage: −25 to 70°C (with no icing or condensation) |
| Ambient Humidity Range | Operation: 35% to 85%, Storage: 35% to 95% (with no condensation) |
| Insulation Resistance | 20 MΩ min. (at 500 VDC) |
| Dielectric Strength | 1,000 VAC, 50/60 Hz for 1 min |
| Vibration Resistance | Destruction: 10 to 55 Hz with double amplitude of 1.5 mm for 2 hours each in X, Y, and Z directions |
| Shock Resistance | Destruction: 500 m/s2 3 times each in X, Y, and Z directions |
| Protection Circuits | Power supply reverse polarity protection, output short-circuit protection and output incorrect connection protection |
| Degree Of Protection | IEC 60529 IP67 |
| Material | Diecast zinc (nickel-plated brass), Methacrylic resin (PMMA), ABS, Elastomers, Diecast zinc (nickel-plated brass) |
| Weight | Approx. 370 g/approx. 320 g |
Engineered for high-speed industrial environments, the Omron E3S-DCP21-IL3 Photoelectric Sensor features a diffuse-reflective detection system using RGB LED illumination—red (635 nm), green (525 nm), and blue (465 nm)—to identify even the faintest color differences with exceptional accuracy. It supports both 1-point and 2-point teaching modes and delivers lightning-fast detection speeds with a response time of 50 μs. The sensor is ideal for packaging, printing, labeling, and mark registration applications where precision and speed are critical.
This model operates on a 10 to 30 VDC power supply with a push-pull output configuration and offers a sensing distance of 10 ±3 mm. Its robust diecast zinc housing ensures long-lasting performance in harsh industrial environments. With IP67-rated protection and safeguards against reverse polarity, short circuits, and output miswiring, the E3S-DCP21-IL3 ensures reliability and safety on factory floors. Whether you're integrating into high-speed conveyor systems or precision print detection, this sensor is trusted by engineers for consistent, reliable detection.
