# How to Use Different Sized Sensors for Center Guiding with the SCU6x Controller

> We explore the nuances of using different sized sensors for center guiding applications of a web with the SCU6x Controller.

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

**Source:** https://live-roll2roll.pantheonsite.io/videos/how-use-different-sized-sensors-center-guiding-scu6x-controller

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In this video, we explore the nuances of using different sized sensors for center guiding in web applications with the SCU6x Controller. Normally, it’s recommended to use two sensors with the same measuring range and resolution to avoid confusion. However, this video demonstrates how it's possible to use sensors of varying sizes and addresses the potential confusion that may arise. You'll learn about sensor configuration, including how the screen displays information when different sensors are used, and how the web position indicator operates. We also cover key aspects such as sensor orientation, web position indicators, and web detect signals.

00:00 Introduction to Center Guiding with Sensors
00:20 Using Different Sensor Sizes
00:36 Configuring Sensors and Screen Display
01:20 Understanding Sensor Confusion
02:08 Conclusion and Key Takeaways

## Related Products

- SCU6x
- ODC Sensors

**Tags:** SCU6x, ODC Sensors

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## About Roll-2-Roll Technologies

Roll-2-Roll Technologies designs and manufactures patented fiber-optic web position sensors and advanced web guiding controllers — the precision measurement and control core of modern roll-to-roll manufacturing. Spun out of Oklahoma State University's Web Handling Research Center and trusted by Fortune 500 medical, battery, and nonwovens manufacturers, our patented sensors work without recalibration at ±0.1mm accuracy up to 760 mpm — typical customer outcomes are 50%+ less downtime and payback under six months. Headquartered in Stillwater, Oklahoma, our team of PhDs, controls engineers, and industry veterans extends the sensor + controller core into complete web guide systems including stepper-motor-based linear actuators (RLA, BLA, LHS).

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