SICK WSE8-P2231 Through-Beam Photoelectric Sensor for High-Speed Detection
SICK WSE8-P2231 through-beam photoelectric sensor is a compact industrial sensing solution engineered for accurate detection in high-speed automation environments. Using a through-beam operating principle with visible red LED light, it delivers stable and repeatable detection across extended distances. Its slim W8 housing fits easily into tight installation spaces, while robust construction ensures dependable performance in harsh factory conditions. The sensor directly addresses challenges such as unreliable triggering, limited mounting space, and signal instability in fast-moving production lines, making it well suited for modern automated equipment where precision and consistency are essential.
Designed for demanding applications, the WSE8-P2231 excels where objects move rapidly and detection timing is critical. Its fast response capability minimizes missed counts on high-speed conveyors, while the long sensing distance provides flexibility in mechanical design and alignment. Adjustable sensitivity and selectable light or dark switching allow straightforward adaptation to different materials and control systems. The sealed housing supports operation in dusty or humid environments, helping reduce unplanned downtime. Overall, the sensor improves process reliability, enhances throughput, and supports consistent quality in packaging, material handling, and assembly automation systems.
Why SICK WSE8-P2231?
SICK WSE8-P2231 is chosen when precision, speed, and reliability must coexist in a very compact sensor. Its through-beam design delivers stable detection independent of object color or surface, while the fast response supports high-speed automation without missed signals. The slim W8 housing, flexible switching options, and industrial-grade sealing make it an ideal fit for machines where space is limited but performance expectations are high.
What problem does it solve?
The WSE8-P2231 solves the challenge of unreliable object detection in fast-moving and space-constrained production environments. It eliminates false triggers and missed detections caused by vibration, speed, or varying object surfaces. By providing consistent, long-distance sensing with rapid response, it ensures accurate counting, positioning, and presence detection, helping manufacturers maintain throughput, quality, and process stability.
Key Features & Specifications – SICK WSE8-P2231: Part Number 6035583
| Feature | Details | Benefit |
|---|---|---|
| Sensor Type | Through-beam photoelectric sensor | Ensures highly reliable detection regardless of object color or surface finish |
| Optical Principle | Sender and receiver in separate units | Provides stable, long-distance sensing with minimal false triggering |
| Sensing Range | Up to 8 m (maximum 10 m) | Allows flexible mechanical layout and wider installation tolerance |
| Light Source | Visible red LED, 650 nm | Simplifies alignment and setup during installation and maintenance |
| Response Time | ≤ 0.25 ms | Supports accurate detection of fast-moving objects |
| Switching Frequency | Up to 2,000 Hz | Ideal for high-speed conveyors and rapid automation cycles |
| Output Type | PNP switching output | Easy integration with standard PLC and control systems |
| Switching Mode | Selectable light / dark switching | Adapts quickly to different logic requirements without rewiring |
| Sensitivity Adjustment | 270° potentiometer | Enables fine tuning for stable operation in changing environments |
| Housing Design | Compact W8 rectangular housing | Fits into tight spaces where larger sensors cannot be mounted |
| Protection Rating | IP67 | Reliable operation in dusty, humid, or washdown environments |
| Supply Voltage | 10–30 V DC | Compatible with most industrial power systems |
| Connection Type | M8 male connector, 4-pin | Fast installation and secure electrical connection |
| Operating Temperature | –25 °C to +55 °C | Suitable for demanding industrial conditions |
| Housing Material | ABS plastic with PMMA optics | Durable construction with long service life |
| Typical Applications | High-speed object detection | Improves accuracy in packaging, material handling, and assembly lines |
Download SICK WSE8-P2231 (6035583) Datasheet
Commercial Information – SICK WSE8-P2231 (Part No. 6035583)
| Commercial Data | Details |
|---|---|
| Weight | 76 g |
| Country of Origin | China |
The Applications
1. High-Speed Conveyor Item Counting in Packaging Lines
In automated packaging facilities, products often move at high speed with minimal spacing, making reliable counting difficult. The WSE8-P2231 through-beam photoelectric sensor is well suited for this task due to its fast response time and high switching frequency. As items pass through the light beam, detection remains consistent regardless of surface color or reflectivity. The long sensing range allows the sender and receiver to be mounted safely away from mechanical components, reducing vibration effects. This setup helps prevent missed counts or double detection, ensuring accurate batch sizes, improved production reporting, and reduced downstream errors in carton filling and labeling operations.
2. Presence Detection of Small Parts in Automated Assembly
Automated assembly machines often handle small or thin components that are difficult to detect reliably. The WSE8-P2231 addresses this challenge by using a through-beam principle that reacts instantly to beam interruption, even with narrow or fast-moving parts. Its compact housing fits easily into crowded tooling areas where space is limited. Adjustable sensitivity allows fine tuning for stable detection without false triggering from machine movement. This ensures that critical components are present before assembly steps proceed, helping manufacturers avoid incomplete assemblies, machine jams, and costly rework while maintaining high cycle speeds.
3. Material Flow Monitoring in Logistics and Sorting Systems
In intralogistics and sorting systems, parcels and totes vary widely in size, color, and packaging material. The WSE8-P2231 provides reliable material flow monitoring by detecting objects independently of their surface characteristics. Its long sensing distance enables installation across wide conveyor sections, while the robust housing supports continuous operation in dusty warehouse environments. Fast signal processing ensures accurate tracking at high throughput rates, supporting correct diversion and routing decisions. By maintaining stable detection under varying load conditions, the sensor helps logistics operators improve sorting accuracy, reduce misroutes, and keep overall system efficiency high.
4. Position Verification in Automated Doors and Transfer Stations
Automated doors, gates, and transfer stations require precise position verification to operate safely and efficiently. The WSE8-P2231 is ideal for confirming open, closed, or intermediate positions by monitoring beam interruption at defined points. Its rapid response ensures immediate feedback to control systems, even during fast mechanical movements. The IP67 rating supports use in environments exposed to dust, moisture, or temperature variation. This reliable position feedback helps prevent collisions, ensures correct timing between machine sections, and contributes to smoother operation and longer equipment life in automated production and handling systems.