Product Description
The Allen-Bradley 20G11ND014AA0NNNNN PowerFlex 755 AC drive, also known as a variable frequency drive (VFD), controls the speed of a connected 3-phase AC motor by modulating output frequency using various methods like V/Hz, vector control, and permanent magnet motor control. Rated for 14 Amperes, 10 HP (normal duty) and 7.5 HP (heavy duty) with a 480 VAC 3-Phase input, it includes a pre-installed EMC filter and dynamic braking resistor. It features an embedded Ethernet/IP port for communication and integration with Logix controllers, and supports other protocols via optional modules. Safety features include Safe Torque Off and Safe Speed Monitor options. This open-type, Frame 2 drive supports both open and closed loop speed regulation, panel mounting (IP20 NEMA/UL Type 1), and has certifications including ABS, C-Tick, IEC, and NSF. It operates at 60 Hz with a 0.98 power factor and dimensions of 15.77" x 4.33" x 8.31", featuring standard braking without an internal resistor.
Is Your Device Showing These Signs?
The Allen Bradley 20G11ND014AA0NNNNN PowerFlex 755 AC drive commonly experiences issues such as IGBT failures, capacitor degradation leading to DC bus instability, and encoder feedback malfunctions causing erratic motor control. Communication faults on the EtherNet/IP network are also frequent, stemming from firmware incompatibility or corrupted EDS files. Overcurrent trips, often due to improper motor tuning or insulation breakdown, require immediate attention. Resolving these problems involves replacing faulty components, updating firmware, verifying network configurations, and performing thorough motor parameter adjustments.
Technical specifications
The Allen-Bradley 20G11ND014AA0NNNNN PowerFlex 755 AC drive is a VFD that controls the speed of 3-phase AC motors using various methods. It's rated for 14 Amperes, 10/7.5 HP (normal/heavy duty) at 480 VAC, and includes an EMC filter and dynamic braking resistor. It features Ethernet/IP for communication, supports other protocols via modules, and offers Safe Torque Off and Safe Speed Monitor options. This open-type, Frame 2 drive supports open/closed loop speed regulation, panel mounting, and has multiple certifications. It operates at 60 Hz with a 0.98 power factor and specific dimensions, featuring standard braking.
Our Repair Process for the
20G11ND014AA0NNNNN
Our repair process for the Allen Bradley 20G11ND014AA0NNNNN PowerFlex 755 AC drive begins with a comprehensive diagnostic evaluation to pinpoint the root cause of the failure, whether it be IGBT failure, capacitor degradation, encoder feedback malfunction, communication faults, or overcurrent trips. This is followed by the replacement of all faulty components, including IGBTs, capacitors, encoders, or communication modules, using only verified and compatible parts. A mandatory firmware update to the latest stable version is then performed, alongside verification of all EtherNet/IP network configurations and EDS files. The final stage involves meticulous motor parameter adjustments and rigorous testing under load to ensure optimal performance and prevent future issues.
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.
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Ships from Rochester, NY