Product Description
The ABB TU851 is a high-integrity termination unit designed for dependable signal connectivity within critical industrial automation systems. This unit provides secure and robust connections for field wiring, ensuring signal integrity and minimizing downtime. It features integrated diagnostics for immediate fault detection and simplified troubleshooting. The TU851 is engineered for harsh environments, withstanding extreme temperatures, vibration, and electromagnetic interference. Its compact design optimizes cabinet space, and its modular architecture allows for flexible system configuration and expansion. This termination unit is a vital component for maintaining reliable and efficient process control operations.
Is Your Device Showing These Signs?
ABB TU851 S800 I/O module failures typically involve resolving communication errors stemming from corrupted configuration data or backplane connectivity problems. Resolve issues related to short circuits on I/O channels, which cause module faults and disrupt process signals. Address power supply failures within the module, leading to complete operational failure, and rectify issues with the termination unit, including damaged connectors or wiring faults, impacting signal integrity. Firmware corruption necessitates a reflash to restore proper functionality, and component degradation, such as capacitor aging, requires component-level repair or module replacement to ensure reliable performance.
Technical specifications
The ABB TU851 is a high-integrity termination unit designed for safety-critical applications within the S800 I/O system. This module provides robust signal conditioning and termination for field devices, ensuring reliable data transmission to the controller. It features integrated HART pass-through for intelligent device management and diagnostics, enabling remote configuration and monitoring of connected instruments. The TU851 supports redundant configurations for increased system availability and fault tolerance, incorporating comprehensive error detection and reporting mechanisms. Galvanic isolation protects the control system from ground loops and electrical noise, enhancing signal integrity and system stability. The unit is certified for use in SIL3 applications according to IEC 61508, guaranteeing adherence to stringent safety standards.
Our Repair Process for the
TU851
Our repair process for ABB TU851 S800 I/O modules begins with diagnosing communication errors resulting from corrupted configuration data or backplane connectivity issues, which are resolved through reconfiguration or backplane maintenance. Short circuits on I/O channels, causing module faults and signal disruption, are addressed by isolating and repairing the affected channels. Power supply failures within the module, leading to operational failure, are rectified through power supply repair or replacement. Issues with the termination unit, including damaged connectors or wiring faults impacting signal integrity, are corrected by repairing or replacing the termination unit. Firmware corruption necessitates a complete reflash to restore functionality, and component degradation, such as capacitor aging, requires component-level repair or full module replacement to guarantee reliable 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.