Product Description
The Mitsubishi FX-2N128MT-ESSUL is an FX Series mixed I/O module with 64 DC sink inputs and 64 transistor sinking outputs, operating on 100-240V AC with a 3A fuse. It recovers from power loss in under 10ms, executes instructions at 0.08s, and stores 8K steps. Inputs draw 7mA (4.5mA ON, 1.5mA OFF) with adjustable 10ms response, while outputs range from 5-30V DC, making it ideal for diverse industrial control applications.
Is Your Device Showing These Signs?
The Mitsubishi FX2N-128MT-ESS/UL PLC commonly requires repair due to issues stemming from power supply failures, causing intermittent operation or complete system shutdown. I/O module malfunctions, particularly with transistor outputs, lead to control signal errors and prevent proper device actuation. Communication port failures, specifically RS-422/RS-485, disrupt data exchange with HMIs or other PLCs. Program corruption or memory loss necessitates reprogramming and can halt automated processes. Overheating due to inadequate cooling damages internal components, resulting in unpredictable behavior and reduced lifespan.
Technical specifications
The Mitsubishi FX-2N128MT-ESSUL is an FX Series mixed I/O module featuring 64 DC sink inputs and 64 transistor sinking outputs, operating on 100-240V AC. It offers fast recovery, high-speed instruction execution, and 8K step storage, with adjustable input response and a wide output voltage range, suitable for various industrial control applications.
Our Repair Process for the
FX-2N128MT-ESSUL
Our repair process for the Mitsubishi FX2N-128MT-ESS/UL PLC begins with a comprehensive diagnostic evaluation to pinpoint the root cause of the failure, focusing on power supply functionality, I/O module integrity, communication port operation, program memory status, and thermal management effectiveness. We address power supply failures by replacing faulty components and reinforcing thermal dissipation. I/O module malfunctions are resolved through component-level repairs or module replacement, ensuring accurate signal transmission. Communication port failures are rectified by repairing or replacing damaged ports and verifying data transmission integrity. Program corruption or memory loss requires complete reprogramming with a verified backup or a newly developed program. Overheating issues are mitigated by improving cooling systems and replacing heat-sensitive components. Each repair undergoes rigorous testing to guarantee complete functionality and reliability before the PLC is returned.
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