# Exploring the Dual Rail Power Supply Feature of the SCU6x Controller

> Two separate power rails for the driver and the logic. Cut off power to driver for safety of the operator while still having power in the control screen.

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

**Source:** https://r2r.tech/videos/exploring-dual-rail-power-supply-feature-scu6x-controller

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## Exploring the Dual Rail Power Supply Feature of the SCU6x Controller

In this video, we delve into the dual rail power supply feature of the SCU6x Controller. This feature provides a separate power rail for the driver and the logic, enhancing safety by allowing the power to the driver part to be cut off when necessary, such as during access to a web guide. Demonstrations include how to indicate power status and control the actuator via this dual rail system. Applicable to SCU6x controllers with firmware version 4.2 or higher, this functionality ensures added safety for operations.

00:00 Introduction to Role to Role Technologies
00:07 Overview of SCU Six X Controller Features
00:11 Understanding Dual Rail Power Supply
00:28 Safety Benefits of Dual Rail Power Supply
01:18 Demonstration of Power Supply Control
01:58 Technical Specifications and Compatibility
03:03 Conclusion and Final Remarks

## 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