During technical comparisons, E3Z-LL66 appears alongside Omron Photoelectric Sensor, E3Z D61 2M and Omron Sensors so engineers assess signal types, ingress protection, and ambient tolerances accurately.
Omron E3Z-LL66 Photoelectric Sensor
The Omron E3Z-LL66 Photoelectric Sensor offers Distance-settable (BGS Models), 20 to 300 mm Sensing distance, NPN Output, Connector (M8, 4 pins), Red LD (655 nm), Laser Class 1, 12 to 24 VDC Power supply voltage, Light-ON/Dark-ON mode. Manufactured by Omron under the Omron Photoelectric Sensors category, this model belongs to the Omron E3Z Series.
| Brand | Omron |
| Product Type | Photoelectric Sensor |
| Model Number | E3Z-LL66 |
Omron E3Z-LL66 Photoelectric Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Sensing Method | Distance-settable (BGS Models) |
| Sensing Distance | 20 to 300 mm |
| Light Source | Red LD (655 nm), Laser Class 1 |
| Power Supply Voltage | 12 to 24 VDC |
| Output configuration | NPN |
| Connection Method | Connector (M8, 4 pins) |
| Current Consumption | 30 mA max. |
| Control Output | Load power supply voltage: 26.4 VDC max., Load current: 100 mA max., Open collector output |
| Operation Mode | Light-ON/Dark-ON |
| Response Time | Operate or reset: 1 ms max. |
| Sensitivity Adjustment | Five-turn endless 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: β10 to 55Β°C, Storage: β25 to 70Β°C (with no icing or condensation) |
| Ambient Humidity Range | Operating: 35% to 85%, Storage: 35% to 95% (with no icing or condensation) |
| Insulation Resistance | 20 MΞ© 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 | IP67 (IEC 60529) |
| Material | PBT (polybutylene terephthalate), Modified polyarylate resin |
| Weight | Approx. 20 g |
The Omron E3Z-LL66 Photoelectric Sensor, part of the reliable E3Z Series, delivers precise laser-based sensing for short to mid-range detection tasks in industrial automation environments. With a 20β300 mm detection range on white targets and up to 160 mm on black surfaces, it ensures consistent performance across different material colors. Operating at 12 to 24 VDC, the E3Z-LL66 uses a Red LD (655 nm) laser classified as Class 1 for safety compliance under JIS, IEC, and FDA standards. It offers an NPN output configuration, a quick 1 ms response time, and an M8 4-pin connector that simplifies wiring for compact automation panels. With IP67 protection and built-in circuits for reverse polarity, short-circuit, and output protection, this sensor combines accuracy with durability for reliable field performance.
In packaging systems, high-speed conveyors, and automated inspection lines, the Omron E3Z-LL66 Photoelectric Sensor provides dependable distance detection and object verification where precision is critical. Its laser beam offers enhanced focus and visibility, ensuring minimal false detection even under strong ambient light up to 10,000 lx. Machine builders in India use this model to optimize component alignment, object counting, and small-part inspection in space-limited setups. With its compact body, adjustable sensitivity via a five-turn endless adjuster, and stable operation indicator, it delivers accurate sensing results and reduces maintenance downtime.
Manufactured by Omron Corporationβa global leader in sensing and control technologyβthe E3Z-LL66 reflects the brandβs commitment to reliability and performance. Each unit is built in ISO-certified facilities and rigorously tested for insulation resistance (20 MΞ© min at 500 VDC) and dielectric strength (1,000 VAC for 1 min). Backed by Omron Automation India, this model ensures superior after-sales support, easy integration, and long-term service life. Engineers and OEMs prefer it for consistent performance, compact size, and compatibility with standard automation systems used in Indian industries.
Within the Omron E3Z Series, engineers can choose related models to match different wiring or output configurations. For PNP output with an M8 connector, the Omron E3Z-LL86 is ideal, while applications requiring a pre-wired 2 m cable can opt for the Omron E3Z-LL81 2M. All models share the same laser-based distance-settable sensing principle, compact housing, and IP67 protection, ensuring compatibility and easy substitution across different automation setups. They also integrate seamlessly with Omron Relays, SMPS units, and PLC controllers to deliver coordinated performance in production lines and inspection systems.
The Omron E3Z-LL66 Compact Laser Photoelectric Sensor combines precise laser detection, durable housing, and reliable NPN output for industrial automation. Its 20β300 mm adjustable range, fast response, and environmental resistance make it a trusted solution for manufacturing units focused on efficiency and accuracy. Engineers across India rely on the E3Z-LL66 for stable detection, minimal maintenance, and easy integration. Backed by Omronβs global service and support network, this sensor continues to be a preferred choice for precision-based automation across multiple industries.
Omron E3Z-LL66 People Also Asked Questions
What is the sensing method of the Omron E3Z-LL66 Laser Photoelectric Sensor?
The Omron E3Z-LL66 uses a distance-settable sensing method, allowing accurate object detection based on reflected light intensity. It can detect white objects up to 300 mm and black objects up to 160 mm, ensuring high precision in positioning and inspection applications where color or surface variations exist.
What is the output configuration and connection type of the E3Z-LL66?
The E3Z-LL66 features an NPN open collector output, supporting up to 100 mA load current at a maximum of 26.4 VDC. It uses a 4-pin M8 connector, simplifying sensor replacement and wiring in automation systems. The light-ON/dark-ON mode can be switched easily using the built-in selector.
What is the difference between Omron E3Z-LL66 and E3Z-LS81 Photoelectric Sensors?
The main difference between the Omron E3Z-LL66 and E3Z-LS81 lies in their light source and sensing range. The E3Z-LL66 uses a red laser diode with a distance-settable range of 20β300 mm, offering higher precision for detecting small or shiny objects. In contrast, the E3Z-LS81 uses a red LED with a background suppression range of 20β200 mm, suitable for general detection tasks. Additionally, the E3Z-LL66 features finer five-turn sensitivity adjustment, while the E3Z-LS81 provides standard background suppression. Both models are compact, IP67-rated, and designed for high-performance industrial automation applications.
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