Product Description
The Omron 3G2C5-MP304 is a 32K-word ROM memory module with battery backup (approximately 5-year life at 25C) designed for C1000, C2000, and C200H programmable controllers. It features a write-protect switch, indicator, operates from 0-55C (storage: -20-65C), 35-85% non-condensing humidity, mounts on the CPU's right side via backplane, and weighs 0.3 lbs (0.14 kg), ensuring data retention and easy integration.
Is Your Device Showing These Signs?
The Omron 3G2C5-MP304 frequently experiences failures related to electrolytic capacitor degradation within the power supply, leading to voltage instability and operational faults. Resolving communication errors on the RS-422/485 serial interface due to transceiver IC damage is common. We address issues stemming from corrupted EEPROM data, necessitating reprogramming or replacement. Overheating of the CPU or FPGA, often caused by inadequate thermal management or fan failure, requires heat sink cleaning or component replacement. Finally, failures in the I/O modules, specifically transistor or triac burnout due to overcurrent conditions, are rectified through component-level repair.
Technical specifications
The Omron 3G2C5-MP304 is a 32K ROM memory module with battery backup for C1000, C2000, and C200H programmable controllers. It includes a write-protect switch, indicator, and operates within specified temperature and humidity ranges. It mounts on the CPU's right side and weighs 0.3 lbs.
Our Repair Process for the
3G2C5-MP304
Our repair process for the Omron 3G2C5-MP304 begins with a comprehensive diagnostic evaluation to pinpoint the failure. We address electrolytic capacitor degradation within the power supply by replacing all affected capacitors to restore voltage stability. Communication errors on the RS-422/485 serial interface are resolved through transceiver IC replacement. Corrupted EEPROM data is rectified via reprogramming or complete EEPROM replacement. Overheating of the CPU or FPGA is managed by cleaning heat sinks, replacing failed fans, or replacing the overheating components. Failures in the I/O modules due to transistor or triac burnout are corrected through component-level repair, replacing all damaged transistors or triacs.
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.

















