# SCU6x Controller Center Guiding with One Sensor

> We explore the process of center guiding using a single sensor with the SCU6x Controller, making it highly effective for managing changes in web width

**Last updated:** 2026-03-03

**Source:** https://r2r.tech/videos/scu6x-controller-center-guiding-one-sensor-0

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In this video, we explore the process of center guiding using a single sensor. Unlike edge guiding, which focuses on one edge, center guiding utilizes both edges, making it highly effective for managing changes in web width. The tutorial covers setting up the sensor to detect the web's voltage, aligning the web's centerline with a guide point offset, and maintaining the center position with the actuator. The video also highlights the advantage of this method in handling width variations seamlessly and ensuring consistent alignment to the centerline, even with variabilities. Additionally, it addresses how the sensor deals with web breaks and resumes operation efficiently.

00:00 Introduction to Center Guiding
00:15 Setting Up the Sensor Orientation
01:00 Advantages of Center Guiding
01:29 Handling Width Variations
01:57 Center Guiding Mechanism
02:18 Edge Guiding vs Center Guiding
02:24 Web Break and Guide Point Reference
02:52 Conclusion

## Related Products

- SCU6x

**Tags:** Controllers for web guiding, Controllers for web monitoring, SCU6x

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## About Roll-2-Roll Technologies

Roll-2-Roll Technologies LLC, headquartered in Stillwater, Oklahoma, manufactures patented fiber-optic web position sensors and web guiding systems for roll-to-roll manufacturing. Products include ODC edge sensors (48mm to 960mm), 1DC all-in-one sensors, SCU-series controllers, and complete web guide systems.

- Website: https://r2r.tech
- Phone: +1 (888) 290-3215
- Email: sales@r2r.tech