Product Description
The Omron CP1W-ETN61 Ethernet module enables high-speed networking for CP1L/CP1H PLCs, supporting TCP/IP, UDP, and FINS protocols via its RJ45 port at 10/100 Mbps. It allows up to four simultaneous TCP connections over a 100-meter range, withstanding 0-55C operating and -20-75C storage temperatures, and features 500 V AC isolation. Its compact 86 x 90 x 50 mm, 100-gram design suits diverse automation setups.
Is Your Device Showing These Signs?
The Omron CP1W-ETN61 commonly experiences communication failures due to incorrect IP address configuration, subnet mask mismatches, or gateway settings. Firmware corruption during upgrades necessitates reflashing the EEPROM. Ethernet port damage from electrostatic discharge or power surges requires component-level repair or module replacement. Program execution errors arise from improper ladder logic programming, causing network timeouts and data loss. Power supply fluctuations induce intermittent connectivity problems, demanding voltage regulation and filtering.
Technical specifications
The Omron CP1W-ETN61 Ethernet module provides high-speed networking for CP1L/CP1H PLCs, supporting TCP/IP, UDP, and FINS protocols via RJ45 at 10/100 Mbps. It allows four TCP connections over 100m, operates from 0-55C, stores from -20-75C, features 500V AC isolation, and has compact dimensions (86 x 90 x 50 mm, 100g).
Our Repair Process for the
CP1W-ETN61
Our repair process for the Omron CP1W-ETN61 begins with a comprehensive diagnostic assessment to pinpoint the root cause of the communication failure. This includes verifying IP address configuration, subnet mask, and gateway settings, followed by a thorough examination for firmware corruption, which necessitates reflashing the EEPROM with a verified image. We then inspect the Ethernet port for physical damage resulting from electrostatic discharge or power surges, proceeding with component-level repair or module replacement as required. Program execution errors are addressed through rigorous ladder logic analysis and correction to eliminate network timeouts and data loss. Finally, we conduct power supply testing and implement voltage regulation and filtering to resolve intermittent connectivity issues stemming from power fluctuations, ensuring stable and reliable operation.
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