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ABB PLC power supply refurbishment and refurbishment

ISO 9001:2015 Certified Quality

Our certified process ensures consistent quality and reliable repairs every time.

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2-Year Repair Warranty

We stand behind our repairs with an extensive 2-year warranty on parts and labor for your peace of mind.

Fast Turnaround Time

Our efficient process and large parts inventory help minimize your operational downtime.

Expert Component-Level Repair

We find and replace individual failed components, offering a more affordable and effective repair than full replacement.

Free, No-Obligation Quote

Send us your item for a free evaluation and receive a detailed repair quote with no commitment required.

ABB PLC Power Supply Repair Services by Roc Industrial LLC

Is your ABB PLC power supply malfunctioning? Roc Industrial LLC specializes in providing rapid and reliable ABB PLC power supply repair services to minimize your downtime. We understand the critical role these power supplies play in your automation systems, and our experienced technicians are equipped to diagnose and repair a wide range of issues. With decades of experience, Roc Industrial LLC is your trusted partner for keeping your ABB PLCs running smoothly.



About ABB PLC Power Supplies

ABB is a global leader in power and automation technologies, renowned for its innovative and high-quality products. ABB PLC (Programmable Logic Controller) power supplies are essential components in industrial automation systems, providing the necessary power to operate PLCs and their associated input/output modules. These power supplies are designed to deliver stable and reliable power, ensuring the consistent operation of critical processes in various industries.


ABB PLC power supplies are widely used in industries such as manufacturing, energy, transportation, and infrastructure. They are integral to controlling and monitoring complex processes in CNC machines, robotics, process control systems, and other automated equipment. The reliability and performance of these power supplies directly impact the overall efficiency and productivity of these systems. Roc Industrial LLC understands the importance of keeping these critical components functioning optimally.



Supported Models & Series

We repair a wide range of ABB PLC power supply models and series, including but not limited to:

  • ABB CP-S Series Power Supplies (e.g., CP-S 24/2.5, CP-S 24/5.0, CP-S 24/10.0)

  • ABB CP-E Series Power Supplies (e.g., CP-E 24/1.3, CP-E 24/2.5, CP-E 24/5.0)

  • ABB CP-C Series Power Supplies (e.g., CP-C 24/5.0, CP-C 24/10.0, CP-C 24/20.0)

  • ABB PS24 Series Power Supplies (e.g., PS24-1.3, PS24-2.5, PS24-5.0)

  • ABB PLC Power Supply Modules for AC500 Series

  • ABB PLC Power Supply Modules for AC31 Series

  • ABB S800 I/O Power Supply Units

  • ABB System 800xA Power Supply Modules

  • Various discontinued and legacy ABB power supply models

  • ABB PROeco Power Supplies


Common ABB PLC Power Supply Problems We Repair

ABB PLC power supplies, while generally reliable, can experience failures due to age, environmental factors, or electrical surges. These failures can lead to significant downtime and disruption of your operations. Roc Industrial LLC is experienced in diagnosing and repairing a wide array of issues.

  • No Output Voltage: The power supply fails to provide any output voltage, preventing the PLC from powering on.

  • Low Output Voltage: The output voltage is significantly lower than the specified value, causing erratic PLC behavior.

  • Overvoltage: The output voltage exceeds the specified limit, potentially damaging the PLC and connected devices.

  • Communication Errors: The power supply fails to communicate properly with the PLC, resulting in diagnostic errors.

  • Overheating: The power supply overheats, leading to premature failure and potential safety hazards.

  • Blown Fuses: Internal fuses blow frequently, indicating an underlying fault within the power supply.

  • Ripple and Noise: Excessive ripple and noise on the output voltage, causing instability in the PLC.

  • Component Failure: Failure of internal components such as capacitors, diodes, or integrated circuits.

  • Inability to regulate voltage: The power supply cannot maintain a stable output voltage under varying load conditions.

  • Short circuit protection failure: The power supply fails to protect itself from short circuits, leading to damage.


Our ABB PLC Power Supply Repair Process

Roc Industrial LLC follows a rigorous and comprehensive repair process to ensure the highest quality and reliability of our ABB PLC power supply repairs. Our process is designed to quickly identify the root cause of the problem and implement effective solutions to restore your power supply to optimal performance.

  1. Free Evaluation and Quote: We offer a free evaluation of your ABB PLC power supply to determine the extent of the damage and provide you with a detailed repair quote. There are no hidden fees or obligations.

  2. Shipping Instructions: Once you approve the quote, we provide clear and concise shipping instructions to ensure your power supply arrives safely at our repair facility. We can also arrange for expedited shipping if required.

  3. Diagnosis Using Specialized Test Equipment: Our experienced technicians use state-of-the-art test equipment to thoroughly diagnose the power supply. This includes testing all critical components, analyzing waveforms, and simulating real-world operating conditions.

  4. Component-Level Repair and Replacement: We perform component-level repairs, replacing faulty components with high-quality replacements. We source our components from reputable suppliers to ensure long-term reliability.

  5. Load Testing and Quality Checks: After the repair, we subject the power supply to rigorous load testing to verify its performance under various operating conditions. We also perform thorough quality checks to ensure that it meets or exceeds original specifications.

  6. Warranty-Backed Return and Support: All of our ABB PLC power supply repairs are backed by a comprehensive warranty. We also provide ongoing technical support to answer any questions you may have after the repair.


Nationwide Repair Services

Roc Industrial LLC provides ABB PLC power supply repair services to customers nationwide. Whether you are located in New York, Los Angeles, Chicago, Houston, Dallas, or any other city in the United States, we can help you get your power supply repaired quickly and efficiently. We offer fast shipping options and quick turnaround times to minimize your downtime.


We understand that downtime can be costly, which is why we strive to provide the fastest possible turnaround times without compromising on quality. Our streamlined repair process and extensive inventory of parts allow us to complete most repairs within a few business days. We also offer expedited repair services for critical situations.



Why Choose Roc Industrial LLC?
  • 30+ Years of Experience: We have over 30 years of experience in industrial electronic repair, specializing in ABB PLC power supplies.

  • Warranty-Backed Repairs: All of our repairs are backed by a comprehensive warranty, giving you peace of mind.

  • Thousands of Parts in Stock: We maintain a large inventory of parts, allowing us to complete repairs quickly and efficiently.

  • Fast Turnaround, Often Same-Day: We understand the importance of minimizing downtime and offer fast turnaround times, often with same-day service available.

  • ISO-Certified Repair Processes: Our repair processes are ISO-certified, ensuring the highest quality and consistency.

  • Exceptional Customer Support: We are committed to providing exceptional customer support and are always available to answer your questions.

  • Component Level Repair: We repair down to the component level, saving you money compared to full unit replacement.

  • Free Evaluation: We offer a free evaluation to determine the extent of the damage and provide you with a detailed repair quote.

Don't let a faulty ABB PLC power supply slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable ABB PLC power supply repair.

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