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Frequency converters for leaner ­automation
3rd Quarter 2018, Electrical switching & drive systems & components


Demand-oriented motor control is enabling users to reduce their electricity consumption by up to 80% compared to fixed-displacement drives. Bosch Rexroth has recently added two new models to its range of frequency converters, the EFC 3610 and EFC 5610, to provide intelligent speed and torque control for motors from 400 W up to 18,5 kW. These are open-source, scalable and expandable drive controls that are easily integrated into many different kinds of machines and automation environments, including pumps, compressors, fans, conveyors, presses and packaging machines.

The EFC 3610 is a universal, low-cost converter for control- and demand-oriented energy supply for almost all industry segments. The EFC 5610 is a high-torque solution with efficient, high-performance vector control for specialised requirements and an expanded power range up to 18,5 kW. Both are available in heavy duty and normal duty configurations.

The communications interface has been expanded to include support for Modbus, Profibus and CAN bus protocols. Pluggable I/O connection terminals and fieldbus modules enable a high degree of expandability and flexibility in the way drive architectures can be configured. Integrated brake choppers and mains filters (EN61800-3 C3) reduce the need for external componentry, enhancing the plug-and-play functionality. Process control is improved through integrated PID controllers alongside an eight-step sequence control system. Other innovative features are the detachable control interface that allows parameters to be dumped into additional drives using the panel’s memory and the copy function. Additional braking resistors are available for applications where the controlled motor is required to stop instantly, dissipating the electromotive voltage.

For more information contact Georg Venter, Tectra Automation, +27 11 971 9400, georg.venter@tectra.co.za, www.tectra.co.za


Credit(s)
Supplied By: Tectra Automation
Tel: +27 11 971 9400
Fax: +27 11 971 9440
Email: sales@tectra.co.za
www: www.hytecgroup.co.za
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