MELSERVO-J5D Servo Amplifiers

    May 20, 2025
    Mitsubishi Electric Automation's MELSERVO-J5D Servo Amplifiers offer users a unique servo-based solution.
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    © Mitsubishi Electric Automation, Inc.
    MELSERVO-J5D Servo Amplifiers

    Editor's Note: This listing was originally published on February 10, 2022. It was updated in May 2025 to include new multinetwork capabilities for the MELSERVO-J5 Servo Amplifier.

    The MELSERVO-J5D servo amplifiers are a servo-based solution for applications that need to handle regenerative energy. The servo amplifiers are ideal for medium to large servo application that require multiple drive units capable of managing regenerative energy.

    Available in 400V and 1 to 7kW capacity, MELSERVO-J5D servo amplifiers expand the existing drive capabilities for the MELSERVO-J5 portfolio and are compatible with MELSERVO-J5 servo motors (HK-KT/ST/RT/MT).

    The series now supports both Ethernet/IP and EtherCAT for easy network switching without additional hardware. This multinetwork functionality is delivered through a firmware update, allowing existing users to upgrade their amplifiers without replacing equipment.

    With compatibility across multiple controller platforms—including ControlLogix and CompactLogix—the servo amplifiers help reduce setup time and total cost of ownership. The system also supports multiaxis configurations and Common DC Bus amplifiers, which can minimize the electrical panel footprint. The new capabilities build on the MR-J5’s existing EtherCAT features, now extended to EtherNet/IP systems, offering enhanced flexibility for diverse industrial environments.

    Common DC Bus Servos are able to capture and reuse regenerative energy. In a typical common DC Bus servo system, MELSERVO-J5D servo amplifiers are connected on a DC Bus Bar connected to a MR-CV Power Regeneration Converter Unit. The MR-CV converts 400V AC power to DC. Regenerative energy can then be shared amongst the different servo drives or recaptured and returned to the power supply, improving overall energy efficacy of a machine.

    Benefits of the MELSERVO-J5D servo amplifiers include conserved energy, simplified wiring, and reduced panel space with the "bookshelf" design.

    • Available in 400V and 1 to 7 kW capacity
    • Compatible with MELSERVO-J5 servo motors (HK-KT/ST/RT/MT)

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