Omron E3Z-L66 Photoelectric Sensor
Omron E3Z-L66 is a narrow-beam diffuse-reflective photoelectric sensor designed around a 90 ±30 mm sensing distance. Its 650 nm red LED directs a focused optical beam toward the target, allowing returned light to establish the sensing state within a compact working area. The NPN output communicates this state to compatible machine-control circuitry, while selectable Light-ON and Dark-ON operation supports different control requirements. The sensor operates from 12 to 24 VDC and uses a standard M8 connector for detachable wiring. Current consumption is specified at 30 mA maximum, while response time is 1 ms maximum. Within the E3Z Series, the E3Z-L66 provides focused sensing within the narrow-beam photoelectric sensor range across Omron Sensors.
| Brand | Omron |
| Product | Photoelectric Sensors |
| Model Number | E3Z-L66 |
Omron E3Z-L66 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Sensing Method | Diffuse-reflective |
| Sensing Distance | 90±30 mm (narrow beam) |
| Light Source | Red LED (650 nm) |
| Power Supply Voltage | 12 to 24 VDC |
| Output Configuration | NPN |
| Connection Method | Standard M8 connector |
| Current Consumption | 30 mA max. |
| Control Output | Load power supply voltage: 26.4 VDC max., Load current: 100 mA max. Residual voltage: Load current of less than 10 mA: 1 V max. Load current of 10 to 100 mA: 2 V max. |
| Operation Mode | Light-ON/Dark-ON selectable |
| Response Time | Operate or reset: 1 ms max. |
| Sensitivity Adjustment | One-turn adjuster |
| Indicators | Operation indicator (orange) Stability indicator (green) |
| Ambient Illumination | Incandescent lamp: 3,000 lx max. Sunlight: 10,000 lx max. |
| Ambient Temperature Range | Operating: −25 to 55°C, Some connector models: −40°C 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 | Destruction: 10 to 55 Hz, 1.5 mm double amplitude 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 | Reversed power supply polarity protection, Output short-circuit protection, Mutual interference prevention, and Reversed output polarity protection |
| Degree Of Protection | IEC, IP67 |
| Material | PBT (polybutylene terephthalate), Modified polyarylate |
| Weight | Approx. 20 g |
The Omron E3Z-L66 Photoelectric Sensor uses narrow-beam diffuse-reflective sensing around a specified 90 ±30 mm working distance. Its 650 nm red LED directs a focused optical beam toward the target, while the returned light establishes the switching state within the defined sensing area. The NPN output supports a load supply voltage up to 26.4 VDC and a load current up to 100 mA. Light-ON or Dark-ON operation can be selected according to the required machine logic. The sensor operates from 12 to 24 VDC and uses a standard M8 connector. Current consumption is specified at 30 mA maximum, response time at 1 ms maximum, and a one-turn adjuster supports sensitivity setting. Orange operation and green stability indicators provide visual status information.
For an Omron narrow-beam sensor requiring NPN output and detachable M8 wiring, the relevant model is the E3Z-L66. Ambient-light resistance reaches 3,000 lx under incandescent light and 10,000 lx under sunlight. Operating temperature extends from -25 to 55°C, while storage covers -40 to 70°C without icing or condensation. Reverse supply polarity, output short-circuit, mutual-interference, and reversed-output polarity protection are included. PBT and modified polyarylate are listed as body materials. The focused optical area supports applications where a narrower sensing region is preferred over a wide-view arrangement. Its specification also matches searches for an Omron NPN narrow-beam sensor and Omron M8 photoelectric sensor. For the PNP version with the same 90 ±30 mm range and M8 connection, see the E3Z-L86.
