Product Description
The Omron 3G2C5-MP304-EV3 is a 32K-word ROM memory module designed for C1000, C2000, and C200H programmable controllers. Weighing 0.88 kg, it mounts on the CPU's right-side backplane slot for easy installation. It features a write-protect switch, status indicator, and a backup battery providing approximately 5 years of data retention at 25C. Operating effectively from 0 to 55C and tolerating 35-85% non-condensing humidity, this module offers secure and expandable data storage.
Is Your Device Showing These Signs?
The Omron 3G2C5-MP304-EV3 AC servo drive commonly experiences issues such as blown fuses due to overcurrent events, IGBT failures stemming from excessive load or heat, and resolver feedback errors causing erratic motor behavior. Communication problems arise from faulty encoder cables or corrupted firmware, necessitating cable replacement or firmware reflashing. Power supply capacitor degradation leads to voltage instability and drive malfunction, requiring capacitor replacement. Overheating due to inadequate cooling or a blocked heatsink triggers thermal overload faults, solved by cleaning the heatsink and ensuring proper ventilation. Parameter corruption within the drive's memory results in incorrect operation, addressed by restoring the factory default settings or reprogramming the parameters.
Technical specifications
The Omron 3G2C5-MP304-EV3 is a 32K-word ROM memory module for C1000, C2000, and C200H programmable controllers. It weighs 0.88 kg, mounts easily, and includes a write-protect switch, status indicator, and a battery for 5-year data retention. It operates from 0-55C and tolerates 35-85% humidity.
Our Repair Process for the
3G2C5-MP304-EV3
Our repair process for the Omron 3G2C5-MP304-EV3 AC servo drive begins with a thorough diagnostic evaluation to pinpoint the failure. Blown fuses are replaced, and the root cause of the overcurrent event is identified and rectified. IGBT failures necessitate replacement of the faulty module, accompanied by an investigation into excessive load or heat conditions. Resolver feedback errors are addressed by inspecting and replacing faulty encoder cables, or by reflashing the firmware if corruption is present. Power supply capacitor degradation is resolved through capacitor replacement, restoring voltage stability. Overheating issues require a comprehensive cleaning of the heatsink and verification of proper ventilation. Parameter corruption is corrected by restoring factory default settings or reprogramming the parameters according to the manufacturer's 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.

















