When packaging boxes move quickly or baggage travels across conveyor belts, unstable detection can cause missed signals, production interruptions, and inaccurate positioning. A square photoelectric sensor gives you a compact solution for detecting objects in automated equipment, while the LS200 Series from Huayifeng supports diffuse reflective, retro-reflective, and through-beam detection. With detection distances ranging from short-range 100 mm models to long-range 30 m versions, you can select a configuration according to your equipment layout and sensing requirements.
Why Choose the LS200 Square Photoelectric Sensor?
The LS200 Series combines a compact square housing with multiple optical detection methods. This flexibility allows you to use the same product family across logistics equipment, packaging lines, automated parking systems, warehouses, and other industrial automation applications.
Huayifeng has operated since 2009 in Shenzhen and integrates R&D, production, sales, and application support. The company has accumulated nearly 100 patents, holds national high-tech and specialized-new enterprise qualifications, and maintains ISO9001, ISO14001, and ISO45001 management system certifications. Its products are CE certified and comply with the EU RoHS directive.
Multiple Detection Methods for Different Applications
You can choose among three main optical principles:
- Diffuse reflective: 100 mm, 300 mm, and 1000 mm detection models.
- Retro-reflective: Models covering approximately 50–500 mm, 50–1000 mm, and 0.1–2 m.
- Through-beam: Long-range models with detection distances up to 30 m.
This range makes the LS200 suitable when you need either compact object detection or longer-distance sensing across larger equipment.
Transparent Object Detection
Some industrial applications involve transparent or semi-transparent products that conventional photoelectric sensors may detect inconsistently. Selected LS200 retro-reflective models use a dedicated optical system and circuitry to detect opaque, semi-transparent, and transparent objects of 50 mm or larger.
This feature can help you improve detection reliability when handling transparent packaging, containers, or similar materials.
LS200 Photoelectric Sensor Specifications
The following comparison helps you identify the appropriate detection principle and operating range.
| Detection Type | Typical Detection Distance | Light Source | Main Application |
|---|---|---|---|
| Diffuse Reflective | 100–1000 mm | Infrared 940 nm | General object detection |
| Retro-reflective | 3–5 m | Red 650 nm | Conveyor and object passage detection |
| Retro-reflective for transparent objects | 50 mm–2 m | Infrared 940 nm | Transparent and semi-transparent objects |
| Through-beam | Up to 30 m | Red/Infrared | Warehouses and large equipment |
| Economy Through-beam | 2–15 m | Infrared 940 nm | Cost-sensitive automation systems |
Across the series, typical electrical specifications include 12–24 VDC +10% power supply, NPN or PNP output options, and surge, short-circuit, and reverse-polarity protection. Most models use a compact housing measuring approximately 31 × 20 × 11 mm and provide IP64 protection.
Square Photoelectric Sensor Applications
Logistics and Automated Warehousing
For baggage handling and conveyor systems, you can use the LS200 to detect packages or baggage as they pass through defined sensing points. The through-beam models with up to 30 m detection distance can support applications where the emitter and receiver need to be positioned farther apart.
Packaging Production Lines
Packaging equipment often requires reliable detection of boxes and products at different positions on a production line. Diffuse reflective and retro-reflective models allow you to select a sensing method based on object size, surface characteristics, and installation space.
Automated Parking Equipment
Stereoscopic parking garages require sensors to identify vehicles or objects at specific positions. Long-range LS200 through-beam models can provide a suitable option when the sensing distance extends beyond the practical range of compact reflective configurations.
How to Select the Right LS200 Model
You can follow these steps before specifying a model:
- Define the detection distance. Choose short-range diffuse reflection for nearby objects or through-beam models when you need distances up to 30 m.
- Identify the target material. If you need to detect transparent or semi-transparent objects, select an applicable LS200 transparent-object model.
- Select the optical principle. Consider diffuse reflective, retro-reflective, or through-beam detection according to your equipment structure.
- Confirm the output type. Choose between NPN and PNP versions according to your control system.
- Check installation requirements. Review the compact dimensions, IP64 protection, cable configuration, and available mounting accessories.
- Match the operating mode. Light-ON and Dark-ON operation can be switched according to your control requirements.
FAQ
What is a square photoelectric sensor used for?
A square photoelectric sensor detects the presence, passage, or position of objects without physical contact. The LS200 can be applied to conveyor systems, packaging lines, automated warehouses, and stereoscopic parking equipment.
Can the LS200 detect transparent objects?
Yes. Selected LS200 retro-reflective models are designed to detect opaque, semi-transparent, and transparent objects of 50 mm or larger, making them suitable for applications where standard object detection may be difficult.
How far can the LS200 detect an object?
The maximum detection distance reaches 30 m with selected through-beam models. Other configurations provide shorter ranges from 100 mm to several meters, allowing you to match the sensor to your installation requirements.
Conclusion
If you need a compact sensor family for different industrial detection tasks, the Square photoelectric sensor LS200 Series gives you multiple detection principles, NPN/PNP output configurations, adjustable sensing options, and detection distances up to 30 m. With Huayifeng’s R&D and manufacturing capabilities, nearly 100 patents, ISO management certifications, CE certification, and RoHS compliance, you can evaluate the LS200 for logistics, packaging, warehousing, automated parking, and other industrial automation systems.
CTA
Contact Huayifeng to discuss your target object, detection distance, installation environment, and NPN/PNP control requirements. The technical team can help you identify the appropriate LS200 model and provide selection documentation for your automation project.