Product Description
The Allen-Bradley PowerFlex 700S series 20DD077A0EYNA1NNA AC drive, designed for heavy-duty three-phase 480V AC motor applications, delivers up to 77 amps normal-duty current. Its NEMA Type 1/IP20 enclosure features a blank HMI cover, IGBT braking, adjustable undervoltage trip, microprocessor-monitored heat sink thermistor for over-temperature protection, and ride-thru capabilities of 0.25 seconds (logic control) and 15 milliseconds (full load).
Is Your Device Showing These Signs?
The Allen Bradley 20DD077A0EYNA1NNA Servo Drive commonly experiences issues such as IGBT failures, capacitor degradation leading to DC bus undervoltage faults, and resolver feedback errors. Corrective actions include replacing faulty IGBTs, swapping out degraded electrolytic capacitors to restore proper DC bus voltage regulation, and recalibrating or replacing the resolver to resolve positioning inaccuracies. Communication faults on the EtherNet/IP network and overcurrent trips due to motor winding shorts are also addressed through network configuration checks and motor insulation testing, respectively. Parameter corruption within the drive's memory requires firmware reflashing or parameter restoration from a backup.
Technical specifications
The Allen-Bradley PowerFlex 700S 20DD077A0EYNA1NNA AC drive is a heavy-duty 480V three-phase motor controller providing up to 77 amps. It has a NEMA Type 1/IP20 enclosure, a blank HMI cover, IGBT braking, adjustable undervoltage trip, heat sink thermistor protection, and ride-thru capabilities.
Our Repair Process for the
20DD077A0EYNA1NNA
Our repair process for the Allen Bradley 20DD077A0EYNA1NNA Servo Drive begins with a comprehensive diagnostic evaluation to pinpoint the root cause of the malfunction. We address IGBT failures by replacing the faulty components with new, high-quality replacements. Capacitor degradation is rectified through the replacement of degraded electrolytic capacitors, ensuring proper DC bus voltage regulation. Resolver feedback errors are corrected through recalibration or complete replacement of the resolver unit. Communication faults on the EtherNet/IP network are resolved via thorough network configuration checks, and overcurrent trips due to motor winding shorts are addressed through rigorous motor insulation testing. Parameter corruption is corrected by reflashing the firmware or restoring parameters from a verified backup.
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