Product Description
The Allen-Bradley PowerFlex 700 AC drive, model 20BD156A3AYNADD0, is a robust solution for controlling the torque and speed of 3-phase induction motors in demanding applications like oil wells and drilling. Delivering 125 horsepower, it accepts 480V AC input (60 Hz) and provides a continuous output current of 156 Amps. It features 115V AC rated digital I/O, supports V/Hz, Force Vector, and sensorless vector control methods, and can be operated via its HMI. Equipped with EMC filters for CE compliance, it integrates with DeviceNet networks and offers 0.1% base speed accuracy in open-loop configuration. The drive provides Class 10 motor overload and overheating protection, operates between 0 and 50 degrees Celsius, and accommodates a range of wire sizes for both power (2.5-150 sq mm) and I/O (0.25-2.5 sq mm) connections. Encoder feedback is not supported.
Is Your Device Showing These Signs?
The Allen Bradley 20BD156A3AYNADD0 PowerFlex 755 AC drive commonly experiences issues such as IGBT failures, capacitor degradation leading to DC bus undervoltage faults, and communication errors related to Ethernet/IP configuration. Overcurrent trips are frequent due to motor insulation breakdown or incorrect drive parameters. Cooling fan malfunctions cause overheating and premature component failure. Firmware corruption necessitates reprogramming to restore proper operation. Resolving these issues involves component replacement, parameter adjustments, and firmware updates.
Technical specifications
The Allen-Bradley PowerFlex 700 (20BD156A3AYNADD0) is a 125 HP AC drive designed for demanding 3-phase motor control in applications like oil drilling. It accepts 480V AC input, outputs 156 Amps, and supports various control methods (V/Hz, Force Vector, sensorless vector). Features include 115V AC digital I/O, HMI operation, DeviceNet integration, EMC filters for CE compliance, Class 10 motor protection, and a 0-50C operating temperature range. It offers 0.1% base speed accuracy in open-loop but does not support encoder feedback.
Our Repair Process for the
20BD156A3AYNADD0
Our repair process for the Allen Bradley 20BD156A3AYNADD0 PowerFlex 755 AC drive begins with a comprehensive diagnostic evaluation to pinpoint the root cause of the reported issue, whether it be IGBT failure, capacitor degradation, communication errors, overcurrent trips, cooling fan malfunctions, or firmware corruption. Once the fault is identified, we proceed with the necessary repairs, which include component replacement using high-quality parts, precise parameter adjustments to optimize drive performance, and firmware updates to the latest stable version. Rigorous testing is then conducted under simulated operating conditions to ensure the drive meets or exceeds original factory specifications and to verify the complete resolution of the initial problem. The repaired drive is then prepared for return, accompanied by a detailed repair report outlining the work performed and any recommendations for preventative maintenance.
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.