LENZE Inverter

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AC Servo Inverter – LENZE EVS9324-ESV004

The EVS9324-ESV004 is an AC servo inverter (“AC Servo Drive”) from the 9300 series by LENZE, designed for field-oriented vector control of AC synchronous/brushless servo motors in CNC and industrial automation applications. The part number identifies a unit from the EVS9300 family with integrated EMC filter (suffix E), in hardware/software variant SV004. The series is documented on CNC machining centres, CNC lathes, packaging machinery and multi-axis motion control systems. The drive provides precise speed and torque control of the servo motor via incremental encoder or resolver feedback. Multiple variants exist within the EVS9300 series, differentiated by power rating and fieldbus communication options.

The servo inverter is the core of the drive chain on a CNC axis: it converts mains voltage into variable voltage and current for the motor, executing real-time field-oriented control (FOC – Field Oriented Control) based on the CNC command and the encoder feedback signal. A servo inverter failure completely disables the controlled axis — the machine can neither position nor interpolate that axis, making any machining operation impossible until the unit is replaced or repaired.

LENZE is a German manufacturer founded in 1947, specialising in electric drives, inverters, gear motors, and automation systems for industrial machinery; the group has remained independent and is still active, headquartered in Aerzen, Germany. The EVS9300 series, introduced in the 1990s, was one of the most widely deployed servo drive families in European CNC and packaging applications; the entire product line is now legacy / discontinued, having been replaced by the i550 and i650 platforms.

Main Technical Specifications