# Web Guiding and Monitoring Contrast Sensing - SCU5 Controller Set Up for Contrast Sensing

> This instruction video shows that the SCU5 Controller is simple to set up for Contrast Sensing Applications.

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

**Source:** https://live-roll2roll.pantheonsite.io/videos/web-guiding-and-monitoring-contrast-sensing-scu5-controller-set-contrast-sensing

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Roll-2-Roll Technologies' SCU5 Controller and Sensor system allows converters to use the contrast mode for line guiding in a few steps. This video shows how to teach the controller to tract a specific contrast for web guiding and monitoring. In additional videos we will discuss specific applications for contrast sensing that allow your converting operation to run more efficiently.

 ![SCU5 Controller in contrast teaching mode](https://r2r.tech/sites/default/files/inline-images/SCU5%20Set%20Up%20line%20guiding%20and%20monitoring.jpg)

## Related Products

- Web Position Sensor
- Web Guide Controller

**Tags:** Web Position Sensor, Web Guide Controller

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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