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Product Description
The Allen Bradley PowerFlex 700 series 20BD077A3AYNAND1 is a 480V three-phase variable frequency AC drive designed to control AC motor torque by adjusting the frequency and voltage of its power supply. Lacking a built-in precharge, it requires continuous three-phase power for operation. This drive offers extensive performance and protection features, including various tripping conditions (AC over/undervoltage, Bus over/undervoltage), ground fault protection, motor overload and overtemperature protection (managed by a heat sink thermistor), and supports Volt/Hertz, vector control, and sensorless vector control algorithms. Integrated EMC filtering, a DC bus choke, common mode cores, and capacitors provide a packaged solution for EMC compliance. Fast-acting current limit and bus voltage regulation enable maximum acceleration and deceleration without tripping, while continuous monitoring and alerts enhance operational reliability.
Is Your Device Showing These Signs?
The Allen Bradley 20BD077A3AYNAND1 commonly experiences issues related to IGBT failures, often indicated by overcurrent faults and drive trips. Resolving these faults requires replacing the faulty IGBT module and thoroughly testing gate driver circuitry. Capacitor degradation within the DC bus is another frequent problem, leading to DC bus undervoltage faults and requiring capacitor replacement. Encoder feedback issues, resulting in erratic motor control or position errors, are addressed by encoder repair or replacement and associated wiring inspection. Communication failures on the Ethernet/IP network are resolved through firmware updates, network configuration verification, and troubleshooting communication module hardware.
Technical specifications
The Allen Bradley PowerFlex 700 20BD077A3AYNAND1 is a 480V three-phase AC drive that controls AC motor torque by adjusting frequency and voltage. It requires continuous power due to the absence of a precharge circuit. The drive boasts comprehensive protection features against various faults and supports multiple control algorithms (Volt/Hertz, vector, sensorless vector). It also includes integrated EMC filtering components and features like fast-acting current limit and bus voltage regulation for optimized acceleration/deceleration, contributing to enhanced reliability through continuous monitoring and alerts.
Our Repair Process for the
20BD077A3AYNAND1
Our repair process for the Allen Bradley 20BD077A3AYNAND1 begins with a comprehensive diagnostic assessment to pinpoint the root cause of the failure. For IGBT failures, the faulty IGBT module is replaced, and the gate driver circuitry is rigorously tested to ensure proper functionality. DC bus capacitor degradation is addressed by replacing all affected capacitors to restore stable DC bus voltage. Encoder feedback issues are resolved through encoder repair or complete replacement, coupled with a thorough inspection and repair of all associated wiring. Communication failures on the Ethernet/IP network are corrected by performing firmware updates, verifying network configurations, and troubleshooting the communication module hardware to establish reliable communication.
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