Rockwell Automation 20A-DG01 User Manual

Rockwell Automation 20A-DG01 is a safety option for PowerFlex 40P and PowerFlex 70 AC drives, providing a 'Safe Torque Off' (STO) function. It meets safety standards like EN ISO 13849-1, Category 3 / PL (d) and SIL CL 2, ensuring safe operation in industrial applications. The 20A-DG01 works in conjunction with other safety components to prevent the drive from generating torque in the connected motor, thus safeguarding personnel and equipment in hazardous situations.

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Rockwell Automation 20A-DG01 User Manual - Safe Torque Off Option | Manualzz

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Key features

  • Safe Torque Off (STO) function
  • SIL CL 2 certified
  • Category 3 / PL (d) compliant
  • Dual safety channel operation
  • Coast-to-stop action
  • PowerFlex 40P and 70 compatibility

Frequently asked questions

It's a safety feature designed to prevent torque generation in a motor connected to a PowerFlex 40P or 70 drive, ensuring safety in hazardous situations.

It meets EN ISO 13849-1, Category 3 / PL (d) and SIL CL 2, providing a high level of safety in industrial environments.

It disables the drive's output IGBTs by breaking the link with the drive microcontroller, preventing torque generation. It requires two safety channels to be de-energized for safe operation.

By itself, it initiates a coast-to-stop action. Additional protective measures may be required for applications requiring a different stop action.
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