Engineering Guides

1. A guide to Control Techniques Safe Torque Off function

This application guide gives general explanations, advice and guidance for the use of the Safe Torque Off (STO) feature which is provided in many of Control Techniques’ variable speed drive products. It supplements the specific product information given in the product Technical Guides. In the event of any discrepancy the product Technical Guide takes precedence.

What you'll find in this Safe Torque Off Engineering Guide:

  • Principles of machinery safety design – General principles, SIL levels and Risk assessments
  • Control Techniques Safe Torque Off – How it works
  • How to apply Control Techniques Safe Torque Off
  • An overview of the standards and regulations that are relevant to drive installations

This guide is available to download from the Downloads section at the bottom of the page.

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