Mitsubishi Electric FX3S, FX3G, FX3GC, FX3U, FX3UC Series User's Manual

Mitsubishi Electric FX3S, FX3G, FX3GC, FX3U, FX3UC Series manual cover
Pages 532
Year 2019
Language(s)
English en

Mitsubishi Electric FX3S, FX3G, FX3GC, FX3U, FX3UC Series Specification

The Mitsubishi Electric FX3 series, encompassing the FX3S, FX3G, FX3GC, FX3U, and FX3UC models, represents a versatile range of programmable logic controllers (PLCs) designed to meet diverse industrial automation needs. The FX3S model is optimized for small-scale applications, offering a compact design with essential control functions suitable for straightforward automation tasks. It supports up to 30 I/O points and offers built-in high-speed counters and positioning features.

The FX3G series enhances functionality with expanded I/O capabilities and advanced communication options, making it suitable for more complex applications. This series supports up to 256 I/O points and integrates networking capabilities, including Ethernet, RS-485, and CC-Link, facilitating seamless communication in broader system architectures.

For applications requiring robust data handling and advanced control, the FX3GC series offers compact controllers with built-in communication ports and memory cards for data logging. It supports multiple network configurations, enhancing its utility in high-demand environments.

The FX3U series provides high performance with a focus on speed and precision, supporting extensive I/O configurations with a maximum of 384 points. It includes advanced functions such as PID control, positioning, and integrated motion control, catering to sophisticated automation tasks. Networking options are comprehensive, featuring Ethernet, Profibus, and Modbus support.

Finally, the FX3UC series offers ultra-compact controllers with similar functionalities to the FX3U, designed for applications where space constraints are critical. This series maintains high performance and flexibility, supporting modular configurations and various communication protocols.

Overall, the Mitsubishi Electric FX3 series delivers scalable solutions with a blend of compact design, extensive connectivity, and advanced control functions, addressing a wide range of industrial automation requirements.

Mitsubishi Electric FX3S, FX3G, FX3GC, FX3U, FX3UC Series F.A.Q.

How can I update the firmware on my Mitsubishi Electric FX3U PLC?

To update the firmware on your FX3U PLC, first download the latest firmware version from the Mitsubishi Electric website. Connect your PLC to your computer using a programming cable. Use the GX Works2 software to upload the new firmware to the PLC. Ensure that the PLC is in stop mode during the update process to avoid any interruptions.

What should I do if my FX3G PLC is not communicating with my computer?

Check the connection between the PLC and the computer. Ensure that the correct communication cable is being used and that it is securely connected. Verify that the correct COM port is selected in the programming software. If the problem persists, try reinstalling the USB drivers or using a different USB port.

How do I perform a factory reset on a FX3S PLC?

To perform a factory reset on a FX3S PLC, you need to use the GX Works2 software. Connect your PLC to the computer and navigate to the 'PLC' menu. Choose 'Clear PLC Memory' and select 'All Memory Areas.' This will reset the PLC to its default factory settings. Ensure that all important data is backed up before performing this operation.

What maintenance should be performed regularly on FX3GC PLCs?

Regular maintenance for FX3GC PLCs includes checking for loose connections, ensuring the ventilation is unobstructed, inspecting for dust or debris, and verifying that the operating environment is within the specified temperature and humidity range. Additionally, perform periodic software backups to prevent data loss.

How can I troubleshoot a program error in my FX3UC PLC?

To troubleshoot a program error in your FX3UC PLC, first check the error code displayed on the PLC's LED indicator. Refer to the user manual to decode the error. Use the GX Works2 software to connect to the PLC and examine the program logic for any anomalies. Correct any identified programming errors and test the system thoroughly.

Is it possible to expand the I/O capacity of a FX3G PLC?

Yes, the I/O capacity of a FX3G PLC can be expanded using expansion modules. These modules can be connected to the main unit to add additional inputs and outputs as required. Ensure that the total number of I/O points does not exceed the maximum supported by the PLC series.

What is the best practice for grounding a FX3U PLC system?

The best practice for grounding a FX3U PLC system involves connecting the ground terminal of the PLC to a proper earth ground. Use a thick gauge wire to minimize resistance. Ensure that the grounding system is independent of other electrical systems to prevent interference and maintain signal integrity.

How do I connect a HMI to my Mitsubishi FX3UC PLC?

To connect a HMI to a Mitsubishi FX3UC PLC, use a compatible communication cable and ensure that both devices support the same communication protocol (e.g., Modbus, Ethernet). Configure the communication settings in both the HMI and PLC software to ensure proper data exchange.

Can I use a FX3S PLC for temperature control applications?

Yes, a FX3S PLC can be used for temperature control applications by integrating temperature sensors and output devices such as relays or heaters. You will need to implement a control algorithm, such as PID, in the PLC program to maintain the desired temperature setpoint.

How do I protect my FX3G PLC from power surges?

Protect your FX3G PLC from power surges by installing surge protection devices on the power supply lines. Ensure that the PLC is grounded properly and consider using an uninterruptible power supply (UPS) to provide backup power and additional protection against voltage fluctuations.