Motion Control & Drives


Optimising the simplicity of motor control

May 2003 Motion Control & Drives

The just-launched Allen-Bradley PowerFlex 40 AC drive from complete automation leader, Rockwell Automation, gives OEMs, machine builders and end users performance-enhancing motor control in an easy-to-use, compact package. Available for use on 115, 230 and 460 V for applications up to 7,5 kW, the PowerFlex 40 features sensorless vector control to meet low speed torque demands, which helps improve application performance and maintains uptime.

The compact drive is the latest addition to the Allen-Bradley PowerFlex family, a comprehensive line of AC drives ranging from 0,2 kW to 6,9 MW. With flexible packaging options and an uncomplicated programming structure that is common to the PowerFlex 4 class of AC drives, the PowerFlex 40 can be quickly and easily installed and configured for a variety of applications. The drive provides OEMs and end users with a number of options and features not typically available at the microdrive level.

Optimised performance and functionality

The PowerFlex 40's sensorless vector control offers powerful motor torque at low speeds, making it suitable for applications such as incline conveyors, extruders and constant torque pumps. The new drive is also equipped with highly configurable I/O including the ability to perform basic logic, timer and counter functions. Performing these functions at the drive instead of a micro controller reduces both wiring and hardware costs. The drive can also perform many advanced functions such as PID and flying start, its makers believe that this makes it the most versatile product of its class.

Simplified installation and configuration

To simplify programming, the PowerFlex 40 has an integral keypad with the 10 most commonly programmed parameters grouped together for fast and easy start up. If PC programming is preferred, the drive's integral RS485 communications can be used along with Allen-Bradley DriveExplorer and DriveExecutive configuration and monitoring software. The PowerFlex 40 is also designed to accommodate internally mounted communication option cards, such as DeviceNet, making it a good choice for applications requiring advanced networking capability.

The PowerFlex 40 features both DIN rail and panel mounting for ease of installation. Overall panel space can be reduced by taking advantage of the drive's zero stacking capability, which allows drives to be mounted side by side. When complying with electromagnetic compatibility (EMC) requirements, the integral filter for single phase drives and piggyback mounted external filters for three phase ratings further reduce the amount of panel space required.

As with all products within the PowerFlex family of drives, the PowerFlex 40 is designed to meet worldwide power ratings and packaging requirements for out-of-the-box performance. The PowerFlex family of AC drives offers significant commonality across multiple platforms, including networks, operator interface, programming and hardware. This commonality is designed to help users feel comfortable with the programming and start-up features available with any PowerFlex AC drive.

For more information contact Jeff Sanderson, Rockwell Automation, 011 654 9700, [email protected], www.ra.rockwell.com



Credit(s)



Share this article:
Share via emailShare via LinkedInPrint this page

Further reading:

Bearing failure analysis transforms operations of battery manufacturer
SKF South Africa Motion Control & Drives
Persistent bearing failure on a centralised extraction fan motor was negatively impacting operational efficiency for a leading battery manufacturer in East Africa. SKF Kenya conducted a bearing analysis and solved the problem.

Read more...
Why turbomachinery should break free from vendor lock-in
Schneider Electric South Africa Motion Control & Drives
Today’s modern turbomachinery control systems form an important of operational efficiency, be it in heavy industries, traditional power generation or renewables such as hydroelectric facilities. Independence is the name of the game, and turbomachinery stands to gain lot from this newfound freedom.

Read more...
Bearing strategy maintains production for cement manufacturer
SKF South Africa Motion Control & Drives
SKF South Africa and its Authorised Distributor, Bolt & Engineering Distributors Klerksdorp successfully remanufactured a double-row tapered roller bearing assembly for a vertical mill within a two-week timeframe, offering the customer a cost-effective 50% cost-saving alternative which keeps the plant operational while they await the supply of new bearings.

Read more...
Lubrication solutions for cranes
Motion Control & Drives
Fuchs Lubricants South Africa provides a comprehensive range of lubrication solutions that meet the specific needs of mobile cranes.

Read more...
SKF lubrication team assists iron ore producer in Liberia
SKF South Africa Motion Control & Drives
The highly skilled team of specialised lubrication technicians from SKF South Africa has demonstrated its exceptional onsite expertise through the seamless installation of Lincoln Lubrication systems for a key customer, ArcelorMittal Liberia.

Read more...
Bearing failure analysis is a perfect solution for Tongaat Hulett
SKF South Africa Motion Control & Drives
A collaborative bearing failure analysis conducted by SKF and Authorised Distributor, Bearings Services Durban at one of South Africa’s leading sugar refinery plants in KwaZulu-Natal provided tremendous value for the customer.

Read more...
World’s largest production capacity mine hoist
Motion Control & Drives
BB has been selected by global mining company BHP to deliver, install and commission three friction hoists and a further electrical system for a Blair service hoist to its Jansen Potash project in Canada.

Read more...
Innomotics showcases efficient motors and drives at Hannover Messe
Motion Control & Drives
Innomotics recently presented its innovations and solutions for a sustainable industry at Hannover Messe 2025. Highlights included a novel Active Vibration Control System, IE6 energy efficiency class motors, and new product partnerships.

Read more...
New torque sensors for fastening applications
Spero Sensors & Instrumentation Motion Control & Drives
Sensor Technology, a global leader in innovative torque and load measurement solutions, has launched its latest advancement in torque sensing technology.

Read more...
Versatile variable speed drive for efficient motor control
iTek Drives Motion Control & Drives
The Invertek Optidrive is a versatile variable speed drive designed for efficient motor control in various applications.

Read more...