The Mitsubishi QD75MH2 is a two-axis position control module for the MELSEC-Q Series PLCs, utilizing the high-speed SSCNET III (Servo System Controller Network) for enhanced motion control. Designed for precision tasks, the QD75MH2 is well-suited for applications such as robotics, automated machinery, and material handling, where synchronized two-axis control is required.

Technical Specifications and Supported Programs

    Control Axes: Supports up to two axes, allowing for accurate and coordinated movement along two independent paths.
    Positioning Data: Capable of managing multiple positioning points per axis, supporting complex motion profiles.
    Communication Network: Uses SSCNET III, enabling high-speed and stable communication with Mitsubishi’s compatible servo amplifiers (such as the MR-J3-_B series).
    Operation Cycle: Provides fast response with a short operation cycle, designed to support dynamic positioning applications.
    External Signal Interface: Includes a 24 V DC level input for external stop functionality, enhancing safety.
    Manual Control Compatibility: Compatible with manual pulse generators for setup and calibration, providing flexibility during commissioning.

Supported Programming Software: The QD75MH2 is compatible with GX Works2 and GX Developer for configuration and monitoring. Additionally, MR Configurator software is available for tuning servo parameters and optimizing performance.

Commissioning Notes and Recommendations

    Installation and Wiring: Ensure secure installation in the PLC rack and connect servo amplifiers via SSCNET III cables. Proper grounding and cable shielding help reduce electrical noise.
    Parameter Configuration: Use GX Works2 or GX Developer to configure motion parameters, including position, speed, and acceleration, according to application needs.
    Testing and Calibration: Perform calibration tests on each axis using a manual pulse generator to ensure accurate operation and synchronization.
    Maintenance: Regularly inspect connections and update software as needed to maintain smooth performance over time.

Following these guidelines, the QD75MH2 module delivers reliable and precise two-axis control, making it a solid choice for various industrial automation tasks that require synchronized motion capabilities.

>> Mitsubishi QD75MH2 User manual (pdf)

  ----------

+ Mitsubishi Automation Homepage

+ Mitsubishi Electric Contact (for Automation Mall)

+ About Mitsubishi Electric