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Product Description
The Mitsubishi FX0-20MT-DSS, a main base unit in the FX Series, features 12 DC 24V digital inputs and 8 transistor-type digital outputs. It operates reliably between 0 C and 55 C and 35-85% relative humidity, and can be stored between -20 C and 70 C. Consuming 15W from a 24V DC source, it provides essential automation control features.
Is Your Device Showing These Signs?
The Mitsubishi FX0-20MT-DSS commonly experiences issues related to PLC program corruption, requiring firmware reflashing or debugging of ladder logic. Input/Output module failures manifest as unresponsive sensors or actuators, necessitating component replacement or wiring inspection. Power supply instability leads to erratic PLC operation, demanding voltage regulation checks and capacitor replacement. Communication errors on the RS-485 port prevent data exchange with HMIs or other devices, prompting troubleshooting of baud rate settings and cable integrity. Overheating of the CPU module results in system crashes, solved by improving ventilation or replacing thermal paste.
Technical specifications
The Mitsubishi FX0-20MT-DSS is an FX Series main base unit with 12 DC 24V digital inputs and 8 transistor outputs, operating between 0-55 C and 35-85% humidity, storable from -20 to 70 C, consuming 15W from a 24V DC source.
Our Repair Process for the
FX0-20MT-DSS
Our repair process for the Mitsubishi FX0-20MT-DSS begins with a comprehensive diagnostic evaluation to pinpoint the root cause of the malfunction, whether it be PLC program corruption, I/O module failures, power supply instability, communication errors, or CPU overheating. PLC program corruption requires immediate firmware reflashing or meticulous debugging of the ladder logic. Unresponsive sensors or actuators due to I/O module failures demand component replacement or thorough wiring inspection. Power supply instability necessitates voltage regulation checks and capacitor replacement to ensure stable PLC operation. Communication errors on the RS-485 port prompt troubleshooting of baud rate settings and cable integrity to restore data exchange. Overheating of the CPU module is addressed by improving ventilation or replacing thermal paste to prevent system crashes. Each repair concludes with rigorous testing to guarantee the PLC operates within specified parameters and meets performance standards.
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