Learning Center

How to Perform Basic VFD Programming (Video)

By Craig Hartman on 20th Mar 2014

Video TranscriptIn this segment we are going to show you how to use the basic 7 parameters to set up the Mitsubishi FR-PU07-01 advanced parameter keypad.As you look at the top row of this keypad there is the “PRSet” ("PrSET" …

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How to Connect a Speed Potentiometer to a VFD (Video)

By Tyler Simmons on 20th Mar 2014

Video TranscriptI’ve got an F700 Mitsubishi here and I am going to show you how to hook up the speed potentiometer – or the speed pot. The camera here is going to show you the two screws on most of the small sizes of drives. …

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Bearing Currents

By Craig Hartman on 20th Mar 2014

Courtesy AegisMotor bearings have a higher failure rate when the motor is run with a VFD. This is due to currents in the motor bearings. The classic solution to this problem is insulated bearings. Insulated bearings insulate the b …

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Benefits of VFDs, Inverters, Drives

By Craig Hartman on 20th Mar 2014

Table of Contents Energy Savings with Variable Speed DrivesVariable Torque Versus Constant TorqueWhy Variable Torque Loads Offer Great Energy SavingsEnergy ConsumptionTighter Process Control with Variable Speed DrivesExtended Equ …

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NEMA VFD Enclosure Ratings

By Luke Lancaster on 20th Mar 2014

NEMA enclosure ratings are a standard created by the NEMA organization. It's a very common standard in North America for electrical enclosures. The system does not progress linearly like the IP system does. It does go into more de …

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How to Mount a Mitsubishi VFD Parameter Unit

By Paul Rossiter on 20th Mar 2014

Keypads for variable frequency drives (VFD) allow equipment operators to quickly change, update, or modify how a VFD controls the motor. Often these keypads are mounted directly on the VFD. However, VFDs are often mounted withi …

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