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 ...

Watch a major upgrade: a motor swap on a big belt grinder to install a powerful 4.4kW (5.9hp) three-phase motor with VFD ...

Motors account for at least half of the energy consumed in the U.S. Selecting the right control method for an application lets the motor run most efficiently while maximizing torque and overall ...

A recent trend in nuclear power plant upgrades has been the replacement of the motor-generator (MG) sets that drive the reactor circulating pumps with variable-frequency drives (VFD). Siemens’ first ...

David Greenfield: Welcome to the Automation World Gets Your Questions Answered podcast, where we connect with industry experts to get the answers you need about industrial automation technologies. And ...

Determining when to use intelligent variable frequency drives without an external programmable logic controller is a matter of balancing costs, utility, and practicality. The growth of advanced ...

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 ...

The MAX6851 is billed as the market's first I2C-compatible, vacuum fluorescent display (VFD) controller with embedded fonts, multiplex timing control, and filament timing. The device controls ...