Electrical switching & drive systems & components


Latest Articles

SEW's Olympic gold
2nd Quarter 2009, SEW-EURODRIVE
Following seven years of preparation, the XXIXth Olympic Summer Games were officially opened at exactly 8.08 pm on 8 August, 2008 at the Beijing National Stadium. China’s long-held dream of holding the ...

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Drive has high velocity loop bandwith
2nd Quarter 2009, Stone-Stamcor
Claimed by the manufacturer to be the first all-digital industrial drive with a velocity loop bandwidth of 800 Hz, the Danaher Motion S200 servo drive is a compact high performance servo drive. The high ...

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MCC interfacing the smart way
2nd Quarter 2009
The Modbus remote terminal unit (RTU) gateway is the latest addition to Moeller’s range of fieldbus couplers for SmartWire – Moeller’s flat-cable connection system that connects motor starters directly ...

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Energy efficiency initiative saves R4m pa
2nd Quarter 2009, ABB South Africa, Industrial Automation
Motor and drive supplier ABB claims that a new fan system powered and controlled by its energy-efficient motors and drives has reduced the annual energy bill of a Swedish hospital by R4m ($400 000) and ...

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Schneider Electric scales up plug-and-play
1st Quarter 2009, Schneider Electric South Africa
Schneider Electric has performed thermal and mechanical studies and the assemblies have been tested and approved under full load conditions

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maxon celebrates 5th (Martian) birthday
1st Quarter 2009, DNH Technologies
Even after five years, the six-wheeled vehicles are still travelling around Mars and relaying exciting data back to Earth

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Software simplifies drive design and commissioning
1st Quarter 2009, Festo
Designing a positioning drive system from scratch and successfully commissioning it is an involved and time-consuming process which poses challenges for many engineers.    Appropriate drive technologies ...

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China high power AC drives market across US$1 billion
1st Quarter 2009
Towards the end of 2008 ARC reported that robust growth continued in 2007 for the high power AC drives market in China riding on the back of another year of double digit growth in GDP of the country. ...

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maxxon introduces new modular spindle drives
1st Quarter 2009, DNH Technologies
Mechanical engineers often face the task of converting rotational movements into powerful linear movements. The associated development costs can be reduced by using maxon’s modular spindle drives. The ...

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EMX3 saves CHI from salt mines
1st Quarter 2009
CHI Engineered Solutions recently received an order in excess of R6 million from consultants Le Roux Boutel and Associates for the supply of a motor control centre for the control of UraMin Namibia’s ...

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Ana-Digi pitches in for airscrew shot peener
Fourth Quarter 2008, Ana-Digi Systems
Ana-Digi Systems was contracted to convert a manual shot-blasting machine into a fully-automated four-axis system for precision shot peening of aluminium airscrew (propeller) blades. The existing framework ...

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PC-based control for sheet metal working
Fourth Quarter 2008, Beckhoff Automation
The sheet metal working industry is booming. An increasingly wide variety of products, varying batch sizes and strong cost awareness require maximum flexibility in the face of global competition. The ...

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Low-cost robotics platform from NI and LEGO
Fourth Quarter 2008
National Instruments (NI) and LEGO Education continue their educational robotics collaboration with the new LEGO Education WeDo classroom robotics platform. Powered by NI LabVIEW graphical design software, ...

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HMI is almost a scada
Fourth Quarter 2008, Schneider Electric South Africa
The Magelis range of human machine interfaces (HMIs) from Schneider Electric provides a link between the process, the control system, the operator and the databases used in and around a control system. ...

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Distributed brains for A-B PLCs
Fourth Quarter 2008
Engineers face a PLC expansion dilemma as new demands are made on existing automation systems. Often the processing requirements associated with more sophisticated I/O processing are significant. Connections ...

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AC drives improve boiler feed
Fourth Quarter 2008, Nidec Industrial Automation Southern Africa
A major European supplier of wood pellet fired boilers has upgraded its products through the introduction of variable speed AC drives from Control Techniques. Latvian company Grandeg manufactures a range ...

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Digital position controller upgraded
Fourth Quarter 2008, DNH Technologies
Launched at Hannover Trade Fair 2008, the EPOS2 50/5 is maxon’s upgraded digital positioning controller for controlling brush DC motors with an encoder or brushless EC motors with Hall sensors and an ...

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Servo drive system for single and multi-axis
Fourth Quarter 2008, Flexible Electronic Systems
The LUST LTi ServoOne High Performance servo drive system with output currents from 4 A to 170 A can drive a broad spectrum of motor types from synchronous servomotors through induction motors to linear ...

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Motor controls smoothly, not groovily
Fourth Quarter 2008, DNH Technologies
The EC-powermax 22 from maxon motor achieves high torque at slow speeds when compared to other similar-sized brushless DC motors. This 22 mm diameter motor complements the 30 mm EC-powermax 30 model, ...

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Sensorless drive is energy-efficient
Fourth Quarter 2008
The new KEB ASCL (asynchronous sensorless closed loop) variable speed drive offers real vector control without feedback as a solution for speed control of pumps, fans and compressors. Major benefits ...

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