Product Description
The ABB XV91-2 is a robust and reliable programmable logic controller designed for demanding industrial automation applications. This PLC features a powerful processor, ample memory, and versatile communication interfaces, ensuring seamless integration with various field devices and supervisory systems. Its modular design allows for flexible expansion and customization to meet specific application requirements. The XV91-2 supports a wide range of programming languages and industry-standard protocols, facilitating easy configuration and maintenance. Built with high-quality components and rigorous testing, this PLC delivers exceptional performance and long-term stability in harsh environments. It is a dependable solution for controlling complex processes, improving efficiency, and enhancing overall system reliability.
Is Your Device Showing These Signs?
ABB XV91-2 HMI panels commonly exhibit issues such as touchscreen unresponsiveness, display backlight failure, communication errors on serial or Ethernet ports, and corrupted firmware requiring reflashing. Power supply malfunctions and component degradation on the mainboard are frequent causes of operational failure. Resolving these problems involves replacing the touchscreen overlay, repairing or replacing the LCD backlight inverter, troubleshooting and configuring communication parameters, and performing firmware upgrades or downgrades via the appropriate programming interface. Addressing hardware faults necessitates component-level repair, including replacing capacitors, resistors, or integrated circuits on the PCB.
Technical specifications
The ABB XV91-2 is a robust, high-performance programmable logic controller (PLC) designed for demanding industrial automation applications. It features a powerful Intel Atom processor, ample memory for complex programs and data logging, and a comprehensive suite of communication interfaces including Ethernet, PROFIBUS, and CANopen for seamless integration with various field devices and supervisory systems. The XV91-2 supports a wide range of I/O modules for flexible adaptation to specific application requirements, ensuring precise control and monitoring of processes. Its ruggedized construction and extended temperature range guarantee reliable operation in harsh environments, while its advanced programming capabilities, compliant with IEC 61131-3 standards, enable efficient development and maintenance of sophisticated control strategies. The XV91-2 provides advanced security features, including user authentication and access control, to protect against unauthorized access and ensure data integrity, making it a secure and dependable solution for critical automation tasks.
Our Repair Process for the
XV91-2
Our repair process for ABB XV91-2 HMI panels begins with a comprehensive diagnostic evaluation to pinpoint the root cause of the reported issue. This evaluation includes a thorough inspection of the touchscreen, display, communication ports, and mainboard components. Touchscreen unresponsiveness is resolved by replacing the touchscreen overlay. Display backlight failures require repair or replacement of the LCD backlight inverter. Communication errors are addressed through meticulous troubleshooting and configuration of serial or Ethernet port parameters. Firmware corruption necessitates reflashing via the designated programming interface. Hardware faults are rectified through component-level repair, which includes the replacement of faulty capacitors, resistors, or integrated circuits on the PCB. Each repair concludes with rigorous testing to ensure full functionality and operational stability before the unit is 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.

















