This document is an operating guide for VLT® Midi Drive FC 280. It introduces the features and characteristics of the product and provides installation and operating instructions.
This guide provides step-by-step instructions for installing, commissioning, and operating the Danfoss VLT® Midi Drive FC 280 frequency converter. It includes safety precautions, mechanical and electrical installation details, commissioning procedures, and troubleshooting. The guide is intended for qualified personnel and emphasizes safety throughout, including warnings for high voltage and unintended motor start. It also covers Safe Torque Off (STO) functionality and technical specifications.
| Mains Supply | Refer to chapter 9.2 |
|---|---|
| Motor Output and Motor Data | Refer to chapter 9.3 |
| Ambient Conditions | Refer to chapter 9.4 |
| Cable Specifications | Refer to chapter 9.5 |
| Control Input/Output and Control Data | Refer to chapter 9.6 |
| Connection Tightening Torques | Refer to chapter 9.7 |
| Fuses and Circuit Breakers | Refer to chapter 9.8 |
| Enclosure Sizes, Power Ratings, and Dimensions | Refer to chapter 9.9 |
This guide is intended for qualified personnel who are trained and authorized to install, commission, and maintain the frequency converter in accordance with local laws and regulations.
The VLT® Midi Drive FC 280 supports Safe Torque Off (STO), which complies with IEC/EN 61508:2010, SIL2, and other safety standards. Details are in chapter 6.