Allen Bradley 20AD034A0AYNANC0 PowerFlex 70 AC Drive

Applications

The Allen-Bradley 20AD034A0AYNANC0 PowerFlex 70 AC Drive is designed for variable-speed control of three-phase AC motors in industrial automation and manufacturing environments. With a 480V three-phase input and a 34 A output-current rating, it supports motor-driven equipment that requires adjustable speed, controlled acceleration, and reliable integration into industrial control systems.

Typical applications include:

• Conveyor Systems: Controls motor speed to support material transportation and production-line operation.

• Pumping Equipment: Provides adjustable motor speed for industrial fluid-handling processes.

• Fans and Blowers: Supports variable-speed operation in ventilation and air-handling systems.

• Packaging Machinery: Helps coordinate motor operation in automated packaging lines.

• Mixing and Processing Equipment: Provides adjustable motor control for industrial processing tasks.

• Material Handling Systems: Supports controlled movement in motor-driven machinery.

• General Manufacturing Equipment: Offers flexible speed control for compatible industrial AC motors.

Advantages and Key Features

• 34 A Output Rating: Supports compatible motor applications requiring up to 34 A continuous output current.

• 480V Three-Phase Input: Designed for industrial power distribution systems operating at the specified voltage class.

• 25 HP Normal-Duty Rating: Provides a rated output of 25 HP (18.5 kW) in normal-duty applications.

• 20 HP Heavy-Duty Rating: Supports applications rated at 20 HP (15 kW) under heavy-duty conditions.

• Enhanced Control: Provides configurable motor-control functions for industrial operating requirements.

• 24V I/O: Supports integration with compatible control devices and automation equipment.

• Integrated Brake IGBT: Provides a dynamic-braking interface when used with a properly selected external braking resistor.

• EMC Filter: Includes second-environment filtering to help manage electromagnetic interference.

• Conformal-Coated Electronics: Provides additional protection for electronic components in suitable industrial environments.

• Compact Panel-Mount Design: Uses an IP20/NEMA Type 1 enclosure configuration for installation in an appropriate electrical cabinet.

Technical FAQs

Q1: What is the Allen-Bradley 20AD034A0AYNANC0 used for?

It is a PowerFlex 70 variable-frequency AC drive designed to regulate the speed and operation of compatible three-phase AC motors in industrial machinery and automation systems.

Q2: What are the voltage and current ratings of this drive?

The drive is designed for 480V AC three-phase input and has a continuous output-current rating of 34 A.

Q3: What are its normal-duty and heavy-duty power ratings?

The specified ratings are 25 HP (18.5 kW) for normal-duty operation and 20 HP (15 kW) for heavy-duty operation. Motor selection should follow the applicable duty rating.

Q4: Does the 20AD034A0AYNANC0 support dynamic braking?

Yes. It includes an integrated braking IGBT. However, this configuration does not include an internal braking resistor. An appropriately rated external resistor is required when the application needs dynamic braking.

Q5: What type of motor can this drive control?

It is intended for compatible three-phase AC motors, including induction motors. Correct motor nameplate information and drive parameter settings are important for proper operation.

Q6: Can the drive communicate with a PLC?

Yes. It can be integrated into PLC-based automation systems through its control I/O and compatible communication options. This particular catalog configuration does not include an internal communication module.

Q7: Does this model include a built-in keypad?

No. The 20AD034A0AYNANC0 is supplied with a blank plate rather than an installed Human Interface Module (HIM). A compatible HIM can be added separately when local operation or parameter access is required.

Q8: What does the enhanced control configuration provide?

Enhanced control provides configurable motor-control functions and 24V I/O for industrial control integration. The actual functions available depend on the drive setup and application requirements.

Q9: What could cause an overcurrent fault?

Potential causes include excessive mechanical loading, motor or cable faults, incorrect motor parameters, short acceleration times, and unsuitable control settings. Inspect the motor circuit and connected equipment before resetting the fault.

Q10: What maintenance practices help keep the drive operating reliably?

Inspect cooling fans, ventilation passages, electrical terminals, grounding connections, and the cabinet environment. Remove accumulated dust and follow the manufacturer's maintenance recommendations.