# SCU6x Controller   Web Detect Indicator

> This video focuses on the Web Detect Indicator on the SCU6x controller interface. Learn how the Web Detect Indicator functions, what it looks like under normal operating conditions, and what to do if it's not functioning properly. The Web Detect Indicator should be green when the web is present a...

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

**Source:** https://live-roll2roll.pantheonsite.io/videos/scu6x-controller-web-detect-indicator

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This video focuses on the Web Detect Indicator on the SCU6x controller interface. Learn how the Web Detect Indicator functions, what it looks like under normal operating conditions, and what to do if it's not functioning properly. The Web Detect Indicator should be green when the web is present and gray when it's not. If the indicator is blinking, it could indicate a problem with the sensor, such as improper installation or angling.

## Related Products

- SCU6x

**Tags:** SCU6x

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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
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