The FX0N-40MR-DS is a 40 I/O relay output base unit in Mitsubishi’s FX0N series PLCs. Designed for medium-scale industrial automation applications, this unit features relay outputs that allow the control of both AC and DC loads. The DS designation indicates that the unit is equipped with sink/source type relay outputs, providing flexibility in device control. With 40 I/O points (24 inputs and 16 relay outputs), the FX0N-40MR-DS is suitable for controlling motors, solenoids, and other high-current devices in demanding environments.

Technical Specifications:

    Total I/O: 40 points (24 inputs, 16 relay outputs).
    Output Type: Relay outputs, capable of switching both AC and DC loads.
    Power Supply: Operates on 24V DC for internal operation.
    Dimensions:
        Width: 150 mm
        Height: 90 mm
        Depth: 87 mm
    Weight: Approximately 0.90 kg.

Supported Software:

The FX0N-40MR-DS is programmable via GX Developer and GX Works2 software platforms. These tools provide easy setup and configuration of the relay outputs, allowing the use of standard programming languages such as ladder logic.

Recommendations and Important Considerations:

    Proper Installation: Ensure the FX0N-40MR-DS is mounted securely on DIN rails to prevent vibration-related damage. Proper grounding is essential to avoid electrical interference or faults caused by static buildup.

    Relay Output Usage: The relay outputs can handle both AC and DC loads. Make sure that connected devices do not exceed the maximum current and voltage ratings of the relay outputs. Exceeding these limits can reduce the relay’s lifespan or damage the unit. Relay outputs are ideal for controlling high-power devices such as motors and solenoids.

    Power Supply Stability: Ensure that the 24V DC power supply is stable and reliable. Power fluctuations can affect the relay outputs' operation, so using voltage regulators or surge protectors is recommended, especially in environments prone to unstable power supplies.

    Programming and Testing: When programming the unit using GX Developer or GX Works2, make sure the inputs and outputs are correctly addressed to avoid errors in system operation. Utilize the software’s simulation and testing features to verify that the relay outputs function as expected before deployment.

    Maintenance and Monitoring: Since relay outputs involve mechanical components, they may wear out over time. Regular maintenance is recommended to ensure continued reliability. The LED indicators on the unit provide real-time feedback on the status of the inputs and outputs, helping with monitoring and troubleshooting.

The FX0N-40MR-DS is a versatile and robust relay output PLC module that provides reliable control for medium-scale industrial automation projects. With 16 relay outputs and 24 inputs, this unit is ideal for controlling high-voltage and high-current devices such as motors and solenoids. By following best practices for installation, programming, and maintenance, the FX0N-40MR-DS ensures long-lasting and stable performance in your automation systems.

>> Mitsubishi FX0N-40-MR-DS User manual (pdf)

   ----------

+ Mitsubishi Automation Homepage

+ Mitsubishi Electric Contact (for Automation Mall)

+ About Mitsubishi Electric