Omron E3X-SD/NA Fiber Optic Sensor Programmable Logic Controller
The Omron E3X-SD and E3X-NA series are high-performance, space-saving fiber optic amplifier units that offer precise object detection with easy setup. Designed for high-speed, high-accuracy detection in tight spaces, these amplifiers pair with Omron’s wide range of fiber optic cables for maximum application flexibility in industries like electronics, packaging, labeling, and semiconductor assembly.
Categories:
Omron Fiber Optic Sensor- Compact and Lightweight Design – Slim housing for tight mounting spaces on machines and panels
- Fast Response Time – High-speed detection up to 200 µs ensures reliable sensing in fast-moving applications
- Simple One-Touch Teaching – Quick and easy threshold adjustment using TEACH button (E3X-SD)
- LED Indicators – Dual indicators for operation and stability status, improving diagnostics
- Flexible Mounting and Wiring – DIN-rail mountable with side-mount wiring for easy installation and maintenance
- Stable, Noise-Resistant Operation – Optimized circuitry reduces false detection from external noise
| Specification | Description | ||||
|---|---|---|---|---|---|
| Type | Digital display and direct key setting |
Bar display and adjuster setting | |||
| Standard models | Standard models |
High-speed detection models |
Water-resistant models |
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| Model | E3X-SD[] | E3X-NA[] | E3X-NA[]F | E3X-NA[]V | |
| Light source (wavelength) |
Red, 4-element LED (625 nm) | Red, 4-element LED (624 nm) |
Red, 4-element LED (625 nm) |
Red LED (680 nm) | |
| Power supply voltage | 12 to 24 VDC ±10%, ripple (p-p): 10% max. | ||||
| Power consumption/ Current consumption |
At Power Supply Voltage of 24 VDC 960 mW max./40 mA max. At Power Supply Voltage of 12 VDC 960 mW max./80 mA max. |
At Power Supply Voltage of 24 VDC 840 mW max./35 mA max. At Power Supply Voltage of 12 VDC 420 mW max./35 mA max. |
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| Control output | Open-collector output (NPN or PNP) Load power supply: 26.4 V max., Load current: 50 mA max. (Residual voltage: 1.5 V max.) Light-ON/Dark-ON mode selector |
Open-collector output (NPN or PNP) Load power supply: 26.4 V max., Load current: 50 mA max. (Residual voltage: 1 V max.) Light-ON/Dark-ON mode selector. |
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| Response time | Operate or reset: 200 μs max. *1 | Operate: 20 μs max. Reset: 30 μs max. |
Operate or reset: 200 μs max. *1 |
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| Sensitivity adjustment | UP/DOWN direct key setting, teaching with/without a workpiece, automatic teaching |
8-turn sensitivity adjuster (with indicator) | |||
| Protection circuits | Power supply reverse polarity protection, output short-circuit protection, output reverse polarity protection |
Power supply reverse polarity protection, output short-circuit protection |
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| Timer function | --- | No timer, OFF-delay timer; or Timer selector (timer time: 40 ms (fixed)) |
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| Mutual interference prevention |
Up to 5 Amplifiers (optically synchronized) *2 | None | Up to 5 Amplifiers (optically synchronized) *2 |
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| Ambient illumination | Receiver side Incandescent lamp: 10,000 lux max. Sunlight: 20,000 lux max. |
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| Number of gang-mounted Amplifiers | 16 max. (The ambient temperature specification depends on the number of gang-mounted Amplifiers.) | ||||
| 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) |
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| Ambient humidity range | Operating and storage: 35% to 85% (with no condensation) |
Operating: 35% to 85% Storage: 35% to 95% (with no condensation) |
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| Insulation resistance | 20 MΩ min. (at 500 VDC) | ||||
| Dielectric strength | 1,000 VAC at 50/60 Hz for 1 minute *3 | ||||
| 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 | ||||
| Degree of protection | IEC 60529 IP50 (with Protective Cover attached) | IEC 60529 IP66 (with Protective Cover attached) |
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| Connection method | Pre-wired (standard cable length: 2 m), or connector | ||||
| Weight (packed state) *4 | Pre-wired model: Approx. 100 g, Model with connector: Approx. 55 g | ||||
| Material | Case | Polybutylene terephthalate (PBT) | |||
| Cover | Polycarbonate (PC) | Polyethersulfone (PES) | |||
| Accessories | Instruction manual | ||||
| Item | Connection method | Ratings and Specifications |
Model | |
|---|---|---|---|---|
| NPN output | PNP output | |||
| Standard models | Pre-wired (2 m) | --- | E3X-NA11 2M | E3X-NA41 2M |
| Wire-saving connector | E3X-NA6 | E3X-NA8 | ||
| High-speed detection models |
Pre-wired (2 m) | Response time: 20 μs |
E3X-NA11F 2M | E3X-NA41F 2M |
| Water-resistant models |
Pre-wired (2 m) | Degree of protection: IP66 |
E3X-NA11V 2M | E3X-NA41V 2M |
| Connector (M8) | E3X-NA14V | E3X-NA44V | ||
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Catalog Name
|
Catalog Number[size]
|
Last Update
|
|
|---|---|---|---|
| E3X-SD/NA Data Sheet | E401-E1-02 [2601KB] |
Jan 04, 2024 | E3X-SD/NA Data Sheet |
| E3X-SD/NA Catalog | E400-E1-01 [1024KB] |
Apr 01, 2016 | E3X-SD/NA Catalog |
| E3X-SD/NA Operating Procedures | --- [685KB] |
Dec 01, 2021 | E3X-SD/NA Operating Procedures |
| Fiber Sensor Best Selection Catalog | E418-E1-20 [15893KB] |
Apr 07, 2025 | Fiber Sensor Best Selection Catalog |
Applications
- Label edge detection
- Presence/absence detection in tight spaces
- Sensing small electronic components
- Bottle cap detection on fast conveyors
- Semiconductor and PCB detection tasks
Why Choose
- Seamless integration with a wide range of Omron fiber optic heads
- Suitable for transparent, tiny, or fast-moving object detection
- Ideal for space-constrained machines and control panels
- Reliable performance in dusty, humid, or electro-noisy environments
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