Latest product launches

NordGear SK 500E frequency inverter range now fully available up to 22 kW

Posted: Thursday 1st October 2009

Two new sizes of modular inverter range now expands motor power capability to 22 kW; Wide choice of drive options with additional internal and external modular accessories make range suitable for basic through advanced applications.

Nord Gear’s SK 500E series frequency inverters were introduced in 2005 in drive sizes 1 through 4 for motor power ratings up to 7.5 kW. The range has become well established as an intelligent, flexible and cost-effective drive system and Nord have now fully released drive sizes 5 and 6 with ratings to 22 kW on three phase 380 to 500 VAC supplies.

The new drives maintain all of the functionality and standard features of the smaller units including sensorless current vector control, Class A line filtering, brake management, switchable parameter sets and automatic flux optimisation which can save up to 30% energy. All drives include automatic motor parameter identification which allows simple and straightforward commissioning and motor replacement.

The SK 500E drive system includes a number of options and expansion modules to allow its use from basic speed control through to complex factory automation applications. Optional features include enhanced safety functionality to EN 954-1, incremental encoder evaluation and the POSICON positioning control module for up to 15 pre-programmed moves with easy-to-operate parameter based programming.

Expansion modules called ‘Technology Units’ include Profibus, CANopen DeviceNet and InterBus modules for direct Fieldbus control as well as an AS Interface with provision for 2 sensors and 4 actuators.

Technology Units are also available to assist varying levels of programming and operation with simple potentiometer units, basic keypad units and intuitive text based keypads, with direct PC connection for diagnostics and commissioning. For more advanced programming and further diagnostics functionality, Nord Gear’s NORDCON PC-based software may be used which also allows an RS232-to-Ethernet gateway to provide control, status and parameter setting. Development to extend this capability to EtherCAT, ProfiNET, Ethernet/IP and Ethernet Powerlink is also well advanced.

A complete range of accessories are also available including heatsink and chassis mounted braking resistors, and input and output chokes for single and three phase supplies.

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