ISO-certified repairs with a 2-year warranty — technician-verified quotes within 24 hours, nationwide.
Product Description
The Mitsubishi FX5U-64MTESS PLC main unit, ideal for diverse automation applications, offers 256 local I/O points expandable to 512 with remote I/O. It includes an RS-485 port, 64K-step flash memory, 32 digital inputs/outputs, 2 analog inputs, transistor outputs, and operates on 100-240 VAC consuming 40W within a 0-55C range, housed in an IP10-rated enclosure.
Is Your Device Showing These Signs?
The Mitsubishi FX5U-64MTESS PLC commonly experiences issues such as program corruption requiring firmware reflashing, I/O module communication errors due to bus termination problems or incorrect network configuration, power supply failures causing intermittent operation or complete system shutdown, and overheating due to inadequate ventilation leading to component degradation and eventual failure. Resolve these issues through proper grounding, regular backups, meticulous program verification, and ensuring adequate cooling to maintain optimal performance and extend the PLC's lifespan. Addressing these concerns prevents downtime and ensures reliable automation processes.
Technical specifications
The Mitsubishi FX5U-64MTESS PLC offers 64K-step memory, 32 I/O, 2 analog inputs, RS-485, and is expandable from 256 to 512 I/O points. It operates on 100-240 VAC, consumes 40W, and functions within 0-55C in an IP10 enclosure.
Our Repair Process for the
FX5U-64MTESS
Our repair process for the Mitsubishi FX5U-64MTESS PLC begins with a thorough diagnostic evaluation to pinpoint the root cause of the malfunction, encompassing program verification and I/O module communication testing. Firmware reflashing is performed to rectify program corruption, while bus termination and network configurations are corrected to resolve I/O module communication errors. Power supply functionality is rigorously tested and replaced if found faulty, and cooling systems are inspected and improved to mitigate overheating issues. Grounding is verified and corrected as needed. Post-repair, the PLC undergoes comprehensive testing to ensure full operational status and adherence to performance specifications.
Your Guarantee: Warranty & Lifetime Support
Your satisfaction is our top priority, and we confidently stand behind the quality of our repairs. That's why every repair service is covered by our comprehensive 24-month warranty. Furthermore, we offer lifetime phone support – if you have questions or need assistance related to our repair down the road, we're here to help. Our service commitment is straightforward: we guarantee our work, and if you're not satisfied, we will make it right. Learn More about our Repair process.
Comprehensive Repairs You Can Depend On
We take immense pride in the quality and reliability of our work. Our process goes beyond simply fixing the immediate problem. We perform a comprehensive inspection of your main board (or other equipment) and proactively replace components known to be failure-prone or showing signs of potential future failure. Before any item is returned, it undergoes rigorous functional testing to ensure it meets performance specifications and operates flawlessly. Visit our main Repair Services page to learn more.
Save Significantly
Our primary goal is to save you hundreds, or even thousands, of dollars compared to the cost of new equipment replacement. By repairing existing components, we provide an economical solution that is also eco-friendly. At Roc Industrial, our commitment to integrity and community drives our consistent growth and ensures you receive a reliable, cost-effective solution.


Please Note: Roc Industrial operates as an independent service provider and is not an authorized distributor for the manufacturers or brands mentioned. Consequently, the original manufacturer's warranty is not applicable to items repaired or sold by us. Roc Industrial provides its own 2-year warranty on all repair services performed.
Buying Options
To receive a quote within 2 hours, please provide us with the details of your requirements. Our team will promptly review your request and send you a custom offer.
Ships from Rochester, NY