MITSUBISHI Servo Drive

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AC Servo Drive 300 W – MITSUBISHI MR-S11-300-E01

The MR-S11-300-E01 is a 300 W AC servo amplifier / servo drive (“AC Servo Amplifier”) manufactured by Mitsubishi Electric, belonging to the MR-S11 series. It is designed to control AC brushless servo motors on the axes of CNC machine tools, particularly systems using MELDAS control or equivalent Mitsubishi architectures. The unit manages the complete axis regulation chain: it receives the position/speed reference from the CNC and drives the servo motor via PWM modulation. The suffix “E01” identifies the variant/revision of the base model.

The servo drive is the electronic component that closes the position, speed and current loops on the machine axis: it converts the numerical commands from the CNC into precise motor movements, ensuring positioning accuracy and cycle repeatability. If it fails, the controlled axis becomes inoperative and the CNC typically signals a servo alarm, halting all machining operations; a servo drive failure results in an immediate machine stoppage with no possibility of continuing the production cycle.

Mitsubishi Electric is a Japanese multinational leader in industrial automation, motion control and CNC systems. The MR-S11 series belongs to the servo drive generation of the 1990s–2000s, now superseded by the MR-J2S, MR-J3, MR-J4 and MR-J5 series. All products in the MR-S11 family are legacy / discontinued: available only as used, surplus or through specialist repair.

Main Technical Specifications