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The new intelligent SK 540E inverter supports the
convenient and free programming of drive-related functions according to IEC 61131. It has all the
established features of the series but supports a wider range of drives than any of its sister models; in
particular, it can control synchronous motors. It integrates a new universal encoder interface for energy
recovery. SK 540E performs even sophisticated tasks without an external PLC, thus saving considerable
costs. Pump drives, for instance, can be upgraded with monitoring functions and characteristic curve
functions, enabling them to directly react to fluctuating flow rates. Thanks to its high-performance
microprocessor, the new inverter model is also suitable for high-speed cutting processes in turning and
milling. Just as the established models from the series, SK 540E provides the safety function Safe Torque
Off as well as sensorless current vector control and an integrated brake chopper for regenerative operation,
and it identifies the parameters of the connected motor automatically.
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