Drives & Motors

We found 303 posts about Drives & Motors from DO Supply, a global automation parts reseller focused on hard-to-find and obsolete industrial automation products.

Integrating, Installing, and Maintaining Your New PowerFlex 753 Drive: A Comprehensive Guide

January 31, 2020

PowerFlex 750 Series Comparison – 753 vs 755

The Allen Bradley PowerFlex 750 series is part of their Architecture Class of drives, higher feature drives for automation projects. They complement the Compact Class drives (PF4x, PF52x) through additional capabilities, although at a higher cost. When looking for a drive solution, these are the Allen Bradley drives to look at when you’re saying terms such as “torque control”, “coordinated drives”, or “almost a servo application”. Both the PowerFlex 753 and PowerFlex 755 drives are capable of torque control, speed control, permanent magnet motor control, and integrated safety (through option modules.) Capability-wise, these drives can compete with any other drives on the market, and their engineering aspects can provide some excellent benefits to the people installing and using them. There are some common features worth noting in the 750 family of drives. Integration into the Studio 5000 programming environment is made easier and more straightforward through use of Add-On Profiles...

January 17, 2020

Hardware Comparison: PowerFlex Selection Guide: 523 vs. 525 vs. 527

Allen Bradley Powerflex 520 series drives are an innovative take on modular drive configuration. Common power structures and form factors allow for interchangeability between 3 versions of the 520 series drive, the 523, 525, and 527. Each version adds to the performance options available and allows for easy upgrading of drive systems and reduces maintenance and spares requirements. There are some common features among the 520 series drives. Common frame sizes, 0.5-30HP power ratings, 100-600V voltage ratings, local HMI’s for programming, and the ability to zero-stack and mount either vertically or horizontally are just some of the more prominent ones. The 523 series drive is the baseline drive of the 520 series. Available in voltage ranges from 100-600 volts and power ranges from 0.25-30HP, these drives include a local HMI and the ability to add EtherNet/IP capability through a dual-port accessory module, among other things. This is the baseline drive of the family, typically...

January 28, 2017

What is the Difference Between VFD and Servo Drives?

Servo systems are now well-known for their use in CNC machining, robotics, and factory automation. The servo technology is further expanded with the manufacturing of servo drives, used for powering electric servomechanisms. Despite being an excellent option for industry use, we also have these VFDs (Variable-Frequency Drives) which tend to be used a lot as an alternative for servo drives, given their energy-saving potential. Since both of these are widely used in industry and manufacturing processes, it’s important to point out some of the differences between them and in which situations is one better than the other. To do that, we’ll first need to see what are VFDs and servo drives and then compare the crucial differences. A servo drive is an integral part of a servo system that consists of a motor, a controller, a feedback device, and of course – a servo drive. Simply put, a servo drive is a part of the servo system that receives a particular command from a control system, amplifies...

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