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Course Description

An overview of operation, setup and troubleshooting of a Variable Frequency Drive (VFD) using the Allen Bradley PowerFlex 525.
This 16 hour course is designed to train personnel responsible for the operation and basic troubleshooting of Variable Frequency Drive systems, in order to become more effective troubleshooters on production equipment. The trainees will learn how to wire, program and troubleshoot the Allen Bradley PowerFlex 525 Variable Frequency Drive hardware.

Learner Outcomes

AC Motor Basics

  • Reversing and Speed Variables
  • Construction and operation
  • Motor Nameplate data Review
  • Motor Starting and stopping characteristics
  • Overloading a motor
  • Testing and basic troubleshooting

VFD Basics

  • Types of Variable Frequency Drives
  • Sections within a Variable Frequency Drive
  • Terminals on a Variable Frequency Drive
  • The DC Bus and safety issues
  • Variable Frequency Drive Converters and DC Bus
  • Inverter characteristics

VFD Parameter Basics

  • Human Interface Module (HIM)
  • Accel, Decel, V/Hz ratio, Boost, etc.
  • General drive setup parameters
  • Wiring configurations
  • Lab demonstrations 0-10VDC/4-20mA
  • Speed control inputs and options
  • Use of Allen Bradley drive configuration software

Applications

  • Conveyor
  • Feed Screws
  • Exhaust Fans

 

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