SICK WTB2S-2N3130 Photoelectric Sensor with Background Suppression

SICK WTB2S-2N3130 Photoelectric Sensor with Background Suppression

The SICK WTB2S-2N3130 photoelectric sensor with background suppression is a miniature proximity sensor designed for highly accurate detection of small objects in confined machine spaces. Part of the W2 sensor family, it addresses common automation challenges such as unreliable sensing caused by reflective or changing backgrounds. Its compact rectangular housing allows easy integration into dense equipment layouts, while the focused red light source supports precise target detection at short distances. This sensor is well suited for applications that demand consistent performance, tight tolerances, and dependable object recognition in modern industrial environments.

In practical use, the SICK WTB2S-2N3130 provides stable and repeatable switching by separating the target from the background, reducing false detections that often occur with conventional photoelectric sensors. The fine light spot enables reliable sensing of tiny parts, edges, or features, even on fast-moving production lines. Its rapid response supports high-speed automation, while the robust IP67-rated housing ensures durability in dusty or washdown-prone areas. These characteristics make it a strong choice for electronics assembly, precision manufacturing, and compact automation systems where accuracy and reliability are critical.

Why SICK WTB2S-2N3130?
The SICK WTB2S-2N3130 is chosen when precision, stability, and space efficiency matter most. Its miniature design fits easily into compact machinery, while advanced background suppression ensures consistent detection regardless of reflective or changing surroundings. The focused light spot allows accurate sensing of very small targets, making it ideal for applications where standard sensors are too large or unreliable. This combination delivers confidence, repeatability, and long-term performance in demanding automation environments.

What problem does it solve?
The SICK WTB2S-2N3130 solves the challenge of unreliable object detection in tight spaces and visually complex backgrounds. In many production lines, small parts, shiny surfaces, or closely positioned components cause false signals or missed detections. This sensor eliminates those issues by clearly distinguishing the target from the background, maintaining stable switching even at high speeds. As a result, it reduces errors, improves process reliability, and minimizes costly downtime.

Key Features & Specifications – SICK WTB2S-2N3130: Part Number 1064581

Download SICK WTB2S-2N3130 (1064581) Datasheet

Commercial Information – SICK WTB2S-2N3130

The Applications

1. Micro-Component Detection in Electronics Assembly

Electronics production often involves extremely small parts placed on reflective circuit boards or metal fixtures. In these conditions, conventional sensors may react to the background instead of the component itself. This sensor overcomes that challenge by separating the target from its surroundings, ensuring only the actual part is detected. The tightly focused light spot allows reliable sensing of tiny pins or connectors, while the compact housing fits easily near pick-and-place heads. Fast response supports high-speed assembly lines, helping prevent missing components, incorrect placement, and downstream quality issues.

2. Precise Position Verification in Compact Automation Machines

Compact machines combine actuators, guides, and sensors within very limited space, making reliable position feedback difficult. This sensor enables accurate confirmation of part presence or position without being influenced by nearby machine structures. Background suppression ensures stable switching even when metallic rails or brackets are close behind the target. Its small footprint allows mounting directly at critical checkpoints, while high switching frequency keeps pace with rapid motion. As a result, machines operate more accurately, collisions are avoided, and overall system reliability is improved.

3. Reliable Small-Part Detection on Short Conveyor Sections

Short conveyor systems used for feeding or sorting small items require precise detection at close distances. Variations in product color or surface finish often cause inconsistent results with basic sensors. This model maintains consistent detection regardless of such variations by clearly distinguishing the product from the conveyor surface. The defined sensing range prevents unwanted triggering from belts or frames. Combined with fast response, it supports closely spaced products moving at higher speeds, improving counting accuracy and ensuring smooth downstream handling.

4. Edge and Feature Sensing in Precision Manufacturing

Many precision processes rely on detecting edges, holes, or fine structural details rather than entire objects. This sensor is well suited for these tasks due to its sharp light focus and stable background discrimination. It can identify small features without reacting to fixtures or tooling behind the part. Reliable switching helps maintain consistent alignment and timing, even under vibration or rapid movement. This capability supports accurate guiding, orientation checks, and process triggering in high-precision manufacturing environments.

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