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Product Description
The Mitsubishi FX2-48MS is a versatile and robust PLC module from the MELSEC FX series, featuring 24 DC inputs (sink) and 24 triac outputs (0.8A/4 points, 0.3A/point). Powered by 120/240VAC, it offers 2000 (expandable to 8000) program steps, and its compact design (182 x 90 x 87 mm, 0.85 kg) makes it ideal for diverse industrial automation applications within compatible Mitsubishi PLC systems.
Is Your Device Showing These Signs?
Mitsubishi FX2-48MS units commonly exhibit issues such as PLC program corruption necessitating firmware reflashing, I/O module failures requiring component-level repair or replacement, power supply degradation causing erratic operation, communication errors stemming from faulty RS-422/RS-485 ports, and capacitor degradation leading to instability. Resolving these problems involves troubleshooting the PLC logic, replacing defective input/output modules, repairing or replacing the power supply, diagnosing and repairing communication ports, and replacing aged capacitors on the mainboard. Proper grounding and surge protection are crucial to prevent future failures.
Technical specifications
The Mitsubishi FX2-48MS is a compact, 120/240VAC powered PLC module with 24 DC inputs, 24 triac outputs, 2000 program steps (expandable to 8000), suitable for various industrial automation applications within Mitsubishi PLC systems.
Our Repair Process for the
FX2-48MS
Our repair process for Mitsubishi FX2-48MS units begins with a comprehensive diagnostic evaluation to pinpoint the root cause of the malfunction, whether it be PLC program corruption requiring firmware reflashing, I/O module failures demanding component-level repair or replacement, power supply degradation necessitating repair or replacement, communication errors originating from faulty RS-422/RS-485 ports requiring diagnosis and repair, or capacitor degradation leading to instability requiring capacitor replacement on the mainboard; the appropriate corrective actions are then executed, including PLC logic troubleshooting, replacement of defective input/output modules, power supply repair or replacement, communication port diagnosis and repair, and aged capacitor replacement; finally, proper grounding and surge protection implementation are ensured to mitigate future failures.
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