Omron E3S-DS30E4 Photoelectric Sensor
The Omron E3S-DS30E4 Photoelectric Sensor ensures precise 100 mm detection using an infrared LED (950 nm) light source for transparent and opaque materials in industrial environments. It operates on a 12–24 VDC power supply and is part of the Omron automation range under the Omron Photoelectric Sensors category and the Omron E3S Series. Featuring 40 mA current consumption, Light-ON/Dark-ON selectable mode, 1 ms response time, IP67 protection, and a pre-wired cable connection, this Photoelectric Sensor with Built-in Amplifier delivers high-quality, reliable performance for automation applications.

| Brand | Omron |
| Product | Photoelectric Sensors |
| Model Number | E3S-DS30E4 |
Omron E3S-DS30E4 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Sensing Method | Diffuse-reflective |
| Sensing Distance | 100 mm (white paper 50 x 50 mm) |
| Standard Sensing Object | Transparent, opaque |
| Light Source | Infrared LED (950 nm) |
| Power Supply Voltage | 12 to 24 VDC |
| Connection Method | Pre-wired cable |
| Current Consumption | 40 mA max |
| Control Output | Output current: 1.5 to 4 mA, Load current: 80 mA max. (residual voltage: 2 V max.) |
| Operation Mode | Light-ON/Dark-ON (selectable) |
| Response Time | Operate or reset: 1 ms max. |
| Sensitivity Adjustment | With an indicator |
| Ambient Illumination | Incandescent lamp: 3,000 lx max. Sunlight: 10,000 lx max. |
| Ambient Temperature Range | Operating: −25 to 55°C, Storage: −40 to 70°C (with no icing or condensation) |
| Ambient Humidity Range | Operating: 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 | 10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions |
| Shock Resistance | 500 m/s2 3 times each in X, Y, and Z directions |
| Degree Of Protection | IEC IP67 |
| Material | Zinc die-cas, Polycarbonate, Iron |
The Omron E3S-DS30E4 operates on a Diffuse-reflective sensing method with a reliable sensing distance of 100 mm, making it suitable for detecting standard objects like white paper or transparent materials. It features a compact, pre-wired cable design and an Infrared LED (950 nm) light source, ensuring consistent detection performance. The sensor supports a wide power supply voltage range of 12 to 24 VDC and consumes only 40 mA, making it energy-efficient in continuous operations.
Equipped with Light-ON/Dark-ON selectable operation modes and sensitivity adjustment with an indicator, the E3S-DS30E4 provides flexible integration for diverse automation tasks. With a response time of just 1 ms, it supports fast-moving production lines. It also stands up to harsh industrial environments with high shock resistance of 500 m/s², vibration durability between 10 to 55 Hz, and an impressive IP67 protection rating. The sensor body is built from high-strength materials like zinc die-cast, polycarbonate, and iron, ensuring long-term reliability.




