Product Description
The ABB TU818 is a high-integrity termination unit designed for dependable signal connectivity within critical control systems. This unit provides secure and reliable field wiring connections to the S800 I/O system, ensuring accurate data transmission and minimal signal degradation. The TU818 features integrated signal conditioning and surge protection, safeguarding sensitive electronic components from voltage spikes and electrical noise. Its robust design guarantees long-term performance in harsh industrial environments, while its compact form factor optimizes cabinet space utilization. The TU818 is an essential component for maintaining the operational integrity and safety of industrial processes.
Is Your Device Showing These Signs?
The ABB TU818 typically requires repair due to component degradation from thermal stress and age, leading to communication failures on the S800 I/O bus. Common failure points include the electrolytic capacitors which exhibit decreased capacitance, causing power supply instability and erratic module operation. Furthermore, conformal coating breakdown allows for corrosion on the PCB, affecting signal integrity and resulting in diagnostic errors. Resolving these issues demands capacitor replacement, PCB cleaning and repair of corroded traces, and firmware reprogramming to address software corruption.
Technical specifications
The ABB TU818 is a high-integrity, redundant communication interface module designed for critical process control applications within the S800 I/O system. This module provides dual Ethernet ports for seamless connectivity to control networks, supporting protocols such as Modbus TCP/IP and Ethernet/IP for robust data exchange. The TU818 features built-in diagnostics and error handling capabilities, ensuring reliable operation and rapid fault detection. It supports hot-swapping for uninterrupted system availability during maintenance or upgrades. The module is certified for use in hazardous areas and operates within a wide temperature range, guaranteeing performance in demanding industrial environments. Power is supplied via the S800 I/O backplane, simplifying installation and reducing wiring complexity. The TU818 is a key component for achieving high availability and deterministic communication in safety-critical applications.
Our Repair Process for the
TU818
Our repair process for the ABB TU818 begins with a comprehensive diagnostic evaluation to pinpoint the precise failure. This is followed by the meticulous replacement of all electrolytic capacitors to ensure power supply stability and reliable module operation. Next, the PCB undergoes a thorough cleaning to remove any corrosion, and all affected traces are repaired to restore signal integrity. Finally, the unit receives firmware reprogramming to correct any software corruption and is subjected to rigorous testing to guarantee optimal performance before being returned.
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.