About Mark Lewis

Author Archive | Mark Lewis

Serial Interfaced Controls – Now Available From Dart!

Dart Controls has developed a ModbusRTU Serial Interface option for the 731BDC (brushless DC) and the 153D-25C/-200C (brush DC/SCR) motor speed controls.  We chose ModbusRTU for many reasons, not limited to: Significant North American installed base of plc’s, HMI and other controllers that support this protocol Low cost, simple installation (twisted pair) proven to withstand […]

Share
Continue Reading Comments { 0 }

Dart Controls Recognized (Again) as Outstanding Supplier by Grainger

Dart Controls was presented with Grainger’s Partners in Performance Award for 2016 at Grainger’s annual supplier recognition event held recently in Chicago.  Grainger, the leading broad line supplier of maintenance, repair and operating (MRO) products serving businesses and institutions, presents the award annually to a select group of suppliers for outstanding performance throughout the year. […]

Share
Continue Reading Comments { 0 }

How Small Drives Can Play in IIot Environment – and Beyond

The Internet of Things (IoT) is generating a lot of buzz.  Basically, the IoT concept is to add ‘smarts’ to a device for the purpose of getting it connected to the internet.  Once connected the benefit is the ability to monitor or control it. The Industrial Internet of Things (IIoT) is a more specific application […]

Share
Continue Reading Comments { 0 }

Motor Speed Control Basic Training

This video describes in basic terms how the various types of motor speed controls work.

Share
Continue Reading Comments { 0 }

The Value of Digital Motor Speed Control

Digital motor speed controls (‘digital controls’) are for the purposes of this discussion microprocessor based, user configurable speed controls for DC permanent magnet (DCPM) motors or digital speed potentiometers¹ for use with AC VFD’s.  The digital concept was developed in the mid-80’s to solve a customer need for accurate, repeatable speed control of a pizza […]

Share
Continue Reading Comments { 2 }

Dart Awarded 3rd Top Performance Award in 5 Years

Dart Controls was presented with a 2015 Partners in Performance Award as part of Grainger’s annual supplier recognition event in Chicago March 14, 2016. Grainger, the leading broad line supplier of maintenance, repair and operating (MRO) products serving businesses and institutions, presents the yearly award to a select group of suppliers for outstanding performance throughout […]

Share
Continue Reading Comments { 0 }

What Is the Big Deal About Closed Loop?

Closed Loop in the vernacular of motor speed control involves the verification of the motor’s actual speed back to the drive, for automatic adjustment to maintain constant speed under changing motor load, ambient and drive supply voltage conditions. Phew! So what is the big deal about closed loop? There are many applications where speed accuracy […]

Share
Continue Reading Comments { 0 }

New TechTalk Support Portal

One of the most important activities we at Dart engage in every day is discussing motor control applications with our customers.  This interaction early in the customer’s design process avoids problems and identifies additional features and benefits that may not have been apparent. Dart has been involved in so many of these conversations over the […]

Share
Continue Reading Comments { 0 }

The Least Understood Critical Component

The explosion of motor use in retail and commercial products is staggering.  Example – a luxury automobile today may use as many as 120 electric motors!  Stop and think about all the items in your home that have a motor – your toothbrush, kid’s Lego set, garage door, window shades, Roomba vacuum, pet food dispenser, […]

Share
Continue Reading Comments { 0 }

Need To Cross-Reference a DC Drive?

Over the years a number of DC drive suppliers have left the market or consolidated with other suppliers.  Dart Controls has a complete line of DC drives, options and accessories available for fast delivery that can be used to replace, retrofit and upgrade existing drives from many other former and current brands.  We have an […]

Share
Continue Reading Comments { 0 }