Allen-Bradley PowerFlex 700 20AD3P4A0AYNNNC0 AC Drive Modules

Technical Dossier

Product Details And Specifications

Allen-Bradley PowerFlex 700 Series Technical Notes

The Evolution of PowerFlex 700 Architecture

The PowerFlex 700 was introduced by Rockwell Automation in the early 2000s as a successor to the 1336 PLUS II and 1336 IMPACT series. Its architecture is built on a modular hardware platform: the power structure (rectifier, DC bus, inverter) is physically separated from the control board, enabling field replacement of individual assemblies without full drive replacement. The control architecture uses a DSP-based vector control algorithm supporting both V/Hz and sensorless vector (SVC) modes, with an optional encoder feedback card (20A-ENC-1) for closed-loop flux vector control.

Key architectural milestones: Series A firmware (v1.x–v3.x) established the core DriveLogix integration pathway. Series B hardware revisions (identifiable by the -B suffix on the catalog number) introduced improved IGBT gate driver circuits and enhanced thermal management. The 20-COMM-x adapter slot standardized the drive's network interface, supporting EtherNet/IP (20-COMM-E), DeviceNet (20-COMM-D), PROFIBUS DP (20-COMM-P), ControlNet (20-COMM-C), and Modbus/TCP (20-COMM-M). Compatibility note: 20-COMM adapters from the PowerFlex 700 are not cross-compatible with the PowerFlex 40 or PowerFlex 4M platforms. The PowerFlex 750 series (introduced ~2009) is the designated modern successor, sharing a similar peripheral card ecosystem but using a different control board form factor.

PowerFlex 700 Full Catalog & Functionalities (SKU List)

The following catalog numbers represent verified, commonly stocked PowerFlex 700 configurations. Each entry reflects a distinct hardware specification within the series.

20AD3P4A0AYNNNC0: 480V / 3.4A / 1.5 kW Frame A, standard duty, no brake, no filter — base pump/fan drive.
20AD5P0A0AYNNNC0: 480V / 5.0A / 2.2 kW Frame A, standard duty, open-loop vector control.
20AD8P0A0AYNNNC0: 480V / 8.0A / 4.0 kW Frame A, standard duty, common in conveyor applications.
20AD011A0AYNNNC0: 480V / 11A / 5.5 kW Frame B, standard duty, HVAC fan control variant.
20AD014A0AYNNNC0: 480V / 14A / 7.5 kW Frame B, standard duty, general machinery drive.
20AD022A0AYNNNC0: 480V / 22A / 11 kW Frame C, standard duty, compressor and pump control.
20AD027A0AYNNNC0: 480V / 27A / 15 kW Frame C, standard duty, high-cycle industrial use.
20AD034A0AYNNNC0: 480V / 34A / 18.5 kW Frame D, standard duty, mixer and agitator control.
20AD040A0AYNNNC0: 480V / 40A / 22 kW Frame D, standard duty, centrifugal pump applications.
20AD052A0AYNNNC0: 480V / 52A / 30 kW Frame E, standard duty, large fan and blower control.
20AD065A0AYNNNC0: 480V / 65A / 37 kW Frame E, standard duty, process line drive.
20AD077A0AYNNNC0: 480V / 77A / 45 kW Frame F, standard duty, heavy-duty pump station.
20AD096A0AYNNNC0: 480V / 96A / 55 kW Frame F, standard duty, industrial compressor drive.
20AD125A0AYNNNC0: 480V / 125A / 75 kW Frame G, standard duty, large process fan.
20AD156A0AYNNNC0: 480V / 156A / 90 kW Frame G, standard duty, high-power conveyor system.
20AD180A0AYNNNC0: 480V / 180A / 110 kW Frame H, standard duty, refinery process drive.
20AD248A0AYNNNC0: 480V / 248A / 160 kW Frame H, standard duty, large motor control center application.

Sourcing Hard-to-Find & Obsolete PowerFlex 700 Parts

The PowerFlex 700 series entered the mature/end-of-life phase of its product lifecycle. Rockwell Automation has progressively migrated support resources toward the PowerFlex 750 platform. For facilities operating legacy PowerFlex 700 installations — particularly Frame A through D units in continuous-process environments — sourcing replacement drives and sub-assemblies from the secondary market is the primary lifecycle extension strategy.

Quality Control for the PowerFlex 700 Range

PowerFlex 700 drives present specific test challenges due to their modular backplane architecture and dual-port communication adapter interface. DriveKNMS applies the following test protocol to all PowerFlex 700 units prior to dispatch:

Power-on functional test: Each unit is energized at rated input voltage. DC bus voltage, pre-charge circuit operation, and fan operation (Frame C and above) are verified against factory specifications. IGBT gate driver verification: Output phase balance is measured under a resistive load bank at 25%, 50%, and 100% of rated current. Phase-to-phase voltage deviation must be within ±2%. Control board parameter retention: Factory default parameters are loaded via DriveExecutive software. Parameter write/read integrity across all parameter groups is confirmed. Communication adapter slot test: Where a 20-COMM adapter is present, network enumeration and I/O data exchange are verified on the applicable fieldbus. Thermal imaging: Frame D and above units undergo infrared thermal scan at 75% load to identify cold solder joints or failing capacitor banks on the DC bus board. Firmware version documentation: The installed firmware version is recorded and disclosed in the shipment documentation. Customers requiring a specific firmware version for compatibility with existing ControlLogix or CompactLogix programs should specify this at the time of inquiry.