Product Description
The Mitsubishi FX3U-ETHERNET-P502 is a robust Ethernet communication module designed for easy network integration, supporting multiple protocols (TCP/IP, UDP, POP3, SMTP, Modbus TCP) via an RJ45 interface. It offers 10/100 Mbps data transfer up to 100 meters, supports full/half-duplex modes, and requires 24V DC/240mA power. Featuring 500V AC electrical endurance, 5M insulation, 8 simultaneous connections, and 1023-word buffer memory, it reliably operates from 0C to 55C, making it ideal for efficient data communication.
Is Your Device Showing These Signs?
The Mitsubishi FX3U-ETHERNET-P502 module commonly experiences issues related to network connectivity, manifesting as inability to establish Ethernet/IP communication with PLCs or SCADA systems. Firmware corruption during updates can render the module inoperable, requiring reflashing. Configuration errors in IP address assignments, subnet masks, or gateway settings prevent proper network integration. Hardware failures, such as damaged Ethernet ports or internal component degradation, necessitate module replacement. Inconsistent data transfer rates or dropped packets indicate potential issues with network cabling, switch configurations, or excessive network traffic.
Technical specifications
The Mitsubishi FX3U-ETHERNET-P502 is a durable Ethernet module for network integration, supporting multiple protocols via RJ45. It offers 10/100 Mbps data transfer, full/half-duplex, and requires 24V DC power. It features 500V AC endurance, 5M insulation, 8 connections, 1023-word buffer, and operates from 0C to 55C.
Our Repair Process for the
FX3U-ETHERNET-P502
Our repair process for the Mitsubishi FX3U-ETHERNET-P502 module begins with a comprehensive diagnostic evaluation to pinpoint the root cause of the failure, whether it stems from network connectivity problems, firmware corruption, configuration errors, or hardware malfunctions. Firmware reflashing is performed using verified, up-to-date firmware images to rectify corruption issues. Configuration parameters, including IP addresses, subnet masks, and gateway settings, are meticulously verified and corrected to ensure seamless network integration. Damaged Ethernet ports or degraded internal components necessitate module replacement with a new or refurbished unit. Network cabling, switch configurations, and network traffic are thoroughly examined to address data transfer inconsistencies or packet loss, ensuring optimal performance.
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.

















