The Pfix M4288 Series variable-frequency drive (VFD) controller is a self-contained field-mountable pump and drive controller designed as a supplement or alternative to PLC-based drive and pump ...

More and more often, variable frequency drives (VFDs) are used for control of fans and compressors in HVACR systems. The benefits are well documented and industry acceptance is such that most electric ...

Many of us will have experimented with brushless motors, and some of us will have built our own controllers rather than using an off-the-shelf part. Doing so is a good way to understand their ...

This file type includes high resolution graphics and schematics when applicable. Determine if a VFD is right for your application. The primary function of a variable frequency drive is to vary the ...

The growth of advanced computing power embedded in a growing number of devices is changing the face of automation, and variable frequency drives (VFDs) are a big part of this trend. Capable of ...

The LCD/VFD controller project is based on HD44870 where the control command is compatible with Matrix-Orbital’s LCD module. The controller is based on a PIC16F873 MCU and in the design, there is no ...

Adjustable or variable frequency drives AFDs or VFDs use rectifiers to convert ac powerline electricity into direct current. Then inductor-capacitor filters Adjustable or variable frequency drives — ...

Sunnyvale, Calif. – A vacuum-fluorescent display (VFD) controller from Maxim Integrated Products features embedded fonts, multiplex timing control and filament timing for flicker-free displays.