Omron E3X-SD51 2M Fiber Optic Sensor
The Omron E3X-SD51 2M Fiber Optic Sensor is a robust CPU Unit-ready fiber amplifier designed for fast and accurate detection using a PNP output stage. It incorporates a red 4-element LED (625 nm) and a reliable 2 m pre-wired cable for stable optical performance. Featuring a 200 μs high-speed response, IP50 protection, and 12 to 24 VDC power compatibility, it delivers efficient sensing for packaging, assembly, and inspection machines. Its durable PBT and PC construction supports long-term use. Manufactured by Omron, part of the Omron Fiber Optic Sensor group within the E3X-SD Series.
| Brand | Omron |
| Product | Fiber Amplifier Unit |
| Model Number | E3X-SD51 2M |
Omron E3X-SD51 2M Fiber Optic Sensor - Technical Specifications
| Specification | Value |
|---|---|
| Connection Method | Pre-wired Pre-wired Cable |
| Cable Length | 2 m |
| Output | PNP |
| Light Source | Red, 4-element LED (625 nm) |
| Power Supply Voltage | 12 to 24 VDC ±10%, ripple (p-p): 10% max |
| Response Time | Operate or reset: 200 μs max. |
| Materials | Case: Polybutylene terephthalate (PBT) Cover: Polycarbonate (PC) |
| Degree Of Protection Ip | IEC 60529 IP50 |
| Ambient Illumination Receiver Side | Receiver side Incandescent lamp: 10,000 lux max. Sunlight: 20,000 lux max. |
| Ambient Temperature Range | Operating: Groups of 1 to 3 Amplifiers: −25°C to 55°C Groups of 4 to 11 Amplifiers: −25°C to 50°C Groups of 12 to 16 Amplifiers: −25°C to 45°C Storage: −30°C to 70°C (with no icing or condensation) |
| Ambient Humidity Range | Operating and storage: 35% to 85% (with no condensation) |
| Insulation Resistance | 20 MΩ. min. (at 500 VDC) |
| Dielectric Strength | 1,000 VAC at 50/60 Hz for 1 minute |
| Vibration Resistance Destruction | 10 to 55 Hz with a 1.5-mm double amplitude for 2 hours each in X, Y and Z directions |
| Shock Resistance Destruction | 500 m/s2, for 3 times each in X, Y and Z directions |
The Omron E3X-SD51 2M is a cost-effective fiber amplifier designed for high-speed and reliable object detection in industrial environments. It features a red 625 nm 4-element LED and a fast 200 μs max. response time, making it suitable for demanding automation tasks.
This model comes with a pre-wired 2-meter cable, simplifying setup and installation in space-constrained control panels. It supports PNP output and operates on a 12 to 24 VDC supply, ensuring compatibility with a wide range of systems. The amplifier resists ambient light up to 20,000 lux, allowing stable sensing under varying lighting conditions.
Constructed with a PBT case and PC cover, the E3X-SD51 is built for durability. It is rated IP50 and tested for shock, vibration, and extreme temperature fluctuations, making it a solid choice for packaging lines, inspection systems, and standard automation setups.
