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Sep-Oct- African Petrochemicals Edition 14_5 {2017}

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NEW POWER RANGES AND MOTOR CONTROL CAPABILITIES AVAILABLE FOR POWERFLEX 6000 DRIVES Medium-voltage drives offer sensor-less vector control and new output-voltage ratings. Users in heavy industries have a new motor control option for compressors, pumps and fans. Allen-Bradley PowerFlex 6000 mediumvoltage AC drives from Rockwell Automation offer expanded, user-friendly control for variable and constant torque applications. The latest release delivers a wider voltage range (2.4 to 11 kV) and provides 100 percent starting torque, leveraging sensor-less vector control. The PowerFlex 6000 drive is easy to commission, use and maintain, with standard faceplates and EtherNet/IP connectivity. The drive is a cost-effective solution for heavy industries with higher power needs for their applications. “Our scalable portfolio of medium-voltage drives offers a breadth of functionalities to best fit application needs,” said Rikus Botha, PCB Sales Manager, Rockwell Automation sub-Saharan Africa. “Together with the PowerFlex 7000 drive, users can now select the right feature set for their application requirements.” With an extended power range, the drive can be used for applications with output-voltage ratings up to 11 kV and motor current ratings up to 680 A, while remaining an air-cooled design. With eco-designed main cooling fans, users in Europe and other IEC-based markets can meet EC regulation 327 and ErP directive 2009, and avoid the larger footprint of a liquid-cooled drive. Internally powered cooling fans reduce customer-supplied control power requirements, and equipment and installation costs. A tertiary winding on the isolation transformer provides internal power for the fans. Two new output-voltage ratings are available – 6.9 kV for North America, and 11 kV for EMEA and Australia. The full range of ratings includes 2.4, 3, 3.3, 4.16, 6, 6.3, 6.6, 6.9, 10 and 11 kV. With optional, automatic cell bypass up to 680 A, users can keep their operations running in case of a power cell failure and reduce unplanned downtime. In addition, an uninterruptible power supply helps increase system reliability, minimise downtime and mitigate potential machine damage. About Rockwell Automation Rockwell Automation Inc. (NYSE: ROK), the world’s largest company dedicated to industrial automation and information, makes its customers more productive and the world more sustainable. Headquartered in Milwaukee, Wis., Rockwell Automation employs approximately 22,000 people serving customers in more than 80 countries. Allen-Bradley, LISTEN. THINK. SOLVE. and PowerFlex are trademarks of Rockwell Automation Inc. EtherNet/IP is a trademark of ODVA Inc. Enquiries Rikus Botha PCB Sales Manager Sub-Saharan Africa Rockwell Automation Tel: 011 654 9700 Email: Website: A VISION OF SAFETY: Sasol chooses SICK object detection systems SICK Automation recently equipped reclaimers at Sasol Mining’s Twisdraai Export Plant and Sasol Coal Supply with its 905 nm infrared LiDAR scanner object detection systems. With its robust engineering, designed for outdoor applications in rugged industrial environments, multi-eco technology and field switching functionality, SICK has supplied an extremely precise object detection system that minimises that risk of a collision within the hazardous area for increased site safety. “Able to detect almost any object within a 190° scanning field with an 80 m radius, Sasol has taken proactive steps in reducing the potential for machine collisions, and possible injuries or fatalities, in line with global standards,” explains Jason Cox, Head of Sales (Logistic Automation), SICK Automation. The high-performance LMS511 Pro is integrated within a similarly high-quality engineering configuration, including built-in system redundancy and self-signal testing. It will be automated by SICK Automation’s Flexi Soft safety controllers. Seven reclaimers were equipped with these systems, each with slightly different functionalities as determined by reclaimer type and onsite engineer requirements. SICK executed all systems programming in-house according to specific application parameters. Additional functionality was integrated into the systems to monitor contamination of the laser scanners. “Occasional cleaning of excessive contamination on the lenses presents the only maintenance requirements for these systems,” Cox concludes. The supply of these systems represents the latest venture in a long history of successful projects between SICK Automation and Sasol. About SICK Automation SICK is one of the world’s leading producers of sensors and sensor solutions for industrial applications. Founded in 1946 by Dr.-Ing. e. h. Erwin Sick, the company with headquarters in Waldkirch im Breisgau near Freiburg ranks among the technological market leaders. With more than 50 subsidiaries and equity investments as well as numerous agencies, SICK maintains a presence around the globe. In the fiscal year 2015, SICK had more than 7400 employees worldwide and achieved Group sales of just under EUR 1.3 billion. Additional information about SICK is available on the Internet at http://www. or by phone on +27 11 472 3733. Enquiries Jason Cox Head of Sales Logistic Automation SICK AUTOMATION Tel: +27 11 472 3733 Email: Website: 21

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