Introduction

The Allen Bradley 20BF082A0ANNANC0 PowerFlex 700 AC Drive is a variable-frequency drive intended for industrial AC motor control. In an automated system, the drive provides the controlled electrical interface between the automation system and the motor, allowing motor operation to be adjusted according to the requirements of the machine or process.

Variable-speed motor control is important in many industrial applications because equipment does not always need to operate at a constant speed. Conveyors may need different production speeds, pumps may require controlled flow, and fans or blowers may need to respond to changing process conditions. An AC drive provides a practical electronic method for managing these operating requirements.

The PowerFlex 700 platform is designed for industrial motor-control applications where configurable operation and integration with automation equipment are important. A drive may operate as part of a larger system containing PLCs, HMIs, sensors, feedback equipment, communication networks, contactors, and other control components.

For maintenance engineers, replacing a PowerFlex drive requires attention to both hardware and configuration. The replacement must be appropriate for the motor and electrical system, while application parameters should also be reviewed to ensure that the machine operates as intended after commissioning.

The supplied dimensions of 689.6 × 308.9 × 275.4 mm and weight of 37.19 kg should also be considered during installation and replacement. Appropriate handling equipment and electrical safety procedures are recommended when working with a drive of this size and weight.

Technical Specifications

Specification	Details
Brand	Allen Bradley
Model	20BF082A0ANNANC0
Product Family	PowerFlex 700
Product Type	AC Drive
Application	Industrial variable-speed AC motor control
Dimensions	689.6 × 308.9 × 275.4 mm
Weight	37.19 kg
Weight in Pounds	81.99 lb
Installation	Industrial drive cabinet or equipment installation
Primary Function	Adjustable-speed control of compatible AC motors

The 20BF082A0ANNANC0 has a substantial industrial enclosure and a listed weight of 37.19 kg. Cabinet access, mounting provisions, wiring clearance, ventilation, and safe handling should therefore be considered during installation or replacement.

Recommended Related Models

For PowerFlex 700 maintenance projects, the 20BF082A0ANNANC0 can be evaluated alongside compatible Allen Bradley equipment such as:

PowerFlex 700 AC drives
Allen Bradley PLC controllers
Allen Bradley digital and analog I/O modules
Allen Bradley communication interfaces
Allen Bradley operator interface terminals
PowerFlex drive control components
Compatible motor feedback and control accessories

The appropriate supporting components depend on the existing automation architecture and motor-control requirements.

Popular Related Models

Industrial installations using PowerFlex 700 drives may also include these Allen Bradley equipment categories:

PowerFlex AC drives
ControlLogix controllers
CompactLogix controllers
Allen Bradley I/O systems
Allen Bradley communication equipment
Allen Bradley operator terminals
Allen Bradley motor-control components
PowerFlex drive accessories

When sourcing a replacement for the 20BF082A0ANNANC0, verify the complete catalog number rather than relying only on the PowerFlex 700 family name. The drive's electrical configuration, motor requirements, control options, and application parameters should all be compatible with the existing installation.

Applications

The Allen Bradley 20BF082A0ANNANC0 PowerFlex 700 AC Drive is an industrial variable-frequency drive designed to provide controlled operation of compatible AC motors. It is suitable for automation systems where motor speed, acceleration, deceleration, and overall operating behavior need to be managed electronically.

As part of the PowerFlex 700 family, the 20BF082A0ANNANC0 can be integrated into industrial machinery and process-control systems alongside PLCs, operator interfaces, sensors, feedback devices, and industrial communication equipment.

Typical applications include:

Conveyor and material-handling systems
Pumps and fans
Blowers and ventilation equipment
Production machinery
Packaging systems
Material-processing equipment
Process automation
Industrial machine drives
Motor speed-control applications
Existing Allen Bradley automation installations

For replacement work, the complete catalog number, motor requirements, electrical configuration, and existing drive parameters should be verified before commissioning.

Key Benefits

Flexible AC Motor Speed Control

The PowerFlex 700 provides adjustable-speed control for compatible AC motors, allowing motor operation to be adapted to changing machine and process requirements.

Controlled Acceleration and Deceleration

Electronic control of motor acceleration and deceleration can provide smoother machine operation and help reduce mechanical stress compared with uncontrolled starting and stopping.

Designed for Industrial Automation

The PowerFlex 700 platform is intended for industrial applications where dependable motor control and integration with a broader automation architecture are required.

Suitable for Existing Allen Bradley Equipment

The 20BF082A0ANNANC0 can be particularly useful when maintaining established Allen Bradley installations, allowing maintenance teams to retain a familiar drive platform where the existing system configuration supports it.

Useful for Replacement and Maintenance

Maintaining an appropriate spare or replacement drive can reduce downtime when an installed drive develops a hardware fault or reaches the end of its service life.

Technical FAQs

1. What is the Allen Bradley 20BF082A0ANNANC0?

The 20BF082A0ANNANC0 is an Allen Bradley PowerFlex 700 AC Drive used for adjustable-speed control of compatible AC motors in industrial automation applications.

2. What is the primary function of a PowerFlex 700 AC drive?

Its primary function is to regulate the electrical output supplied to an AC motor so that the motor can operate according to the speed and control requirements of the connected machine or process.

3. What types of equipment can use this type of drive?

Applications can include conveyors, pumps, fans, blowers, production machines, material-handling equipment, and other industrial machinery requiring variable-speed AC motor control.

4. What should be checked before installing a replacement drive?

The complete catalog number, motor data, incoming power, drive output requirements, control method, feedback arrangement where applicable, communication configuration, and application-specific parameters should all be checked.

5. Why must the drive and motor be correctly matched?

An inappropriate drive configuration can cause excessive current, unstable operation, nuisance trips, overheating, or inadequate motor performance. Motor electrical characteristics and application requirements should therefore be confirmed before commissioning.

6. What can cause a PowerFlex 700 drive to trip unexpectedly?

Potential causes include motor overload, excessive current, unsuitable acceleration or deceleration settings, input power problems, motor faults, high ambient temperature, mechanical overload, or incorrect configuration.

7. What should be checked when the connected motor does not start?

Check the drive status and diagnostic information, then verify the start command, command source, incoming power, motor wiring, interlocks, control parameters, and any active protective conditions.

8. Why should existing drive parameters be documented before replacement?

The original parameters may contain application-specific settings for motor control, speed references, acceleration, deceleration, limits, protection, and command sources. Recording them provides a useful reference during commissioning.

9. Can the 20BF082A0ANNANC0 be selected solely by physical size?

No. Physical dimensions are only one consideration. Electrical ratings, catalog configuration, motor requirements, control options, and system integration must also be compatible.

10. Is the 20BF082A0ANNANC0 interchangeable with all PowerFlex 700 drives?

No. PowerFlex 700 catalog numbers can represent different electrical ratings and configurations. The exact 20BF082A0ANNANC0 configuration should be matched to the original application before replacement.

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