VFD parameters are programmed values that control the behavior of VFD drives. There is a number of different functions/parameters, which must be configured in order to ensure proper drive operation. This class reviews common drive parameter types, their effects, and how to change, save and restore a failed drive.

Learning Outcomes
At the conclusion of this class, you will:

  • Understand drive parameter types
  • Learn how to use the BOP
  • Learn how to navigate to specific parameters
  • Learn how to view, modify or record parameter data
  • Learn to use external software & save drive parameters
  • Learn to use external software & restore drive parameter


  • Overview
  • Introduction to MM420
  • MM420 functions
  • Keypad overview
  • Wiring
  • Faults and Alarms
  • Potential causes and remedies
  • Basic configuration
  • Read and write
  • Frequency values
  • Multi-stepping
  • Drive Loader/Configurator
  • Programming interface


16 hours

Maintenance electricians, Controls/Application engineers

Course Material
Each participant will receive their own class binder with all reference material and exercises, so that these can be repeated later.

Hands-On Exercises
Each participant will have the opportunity to work on a training simulator and perform required tasks.