Product Overview

The Allen-Bradley 20BC2P1A0AYNANC0 PowerFlex 700 AC Drive is an industrial variable frequency drive designed to regulate the speed and operation of compatible three-phase AC motors. Part of the PowerFlex 700 family from Rockwell Automation, this drive provides configurable motor control for industrial machinery, material-handling equipment, and auxiliary production systems.

Variable frequency drives control motor speed by adjusting the frequency and voltage supplied to the motor. This capability allows machinery to operate according to production requirements instead of relying exclusively on fixed-speed operation. When correctly selected and configured, a drive can support smoother acceleration, controlled deceleration, reduced mechanical stress, and improved process coordination.

The 20BC2P1A0AYNANC0 is designed for a nominal 400 V AC three-phase supply. It has a continuous output current rating of 2.1 A, with a rated power of 0.75 kW under normal-duty conditions and 0.55 kW under heavy-duty conditions. These ratings make it suitable for appropriately sized motors used in compact industrial equipment and auxiliary motor-control applications.

This model features vector control with 24 V DC I/O, conformal coating, an installed braking IGBT, and an EMC filter with a common-mode choke. It does not include an installed human interface module (HIM), an internal braking resistor, an internal communication module, or a feedback option.

These configuration details are important when selecting the drive for a replacement project. Two PowerFlex 700 drives with similar ratings may have different control interfaces, braking capabilities, and environmental protection features. The complete catalog number should therefore be verified before purchasing or installing a replacement unit.

The PowerFlex 700 20B series has been discontinued. The 20BC2P1A0AYNANC0 may still be encountered in existing installations and the industrial spare-parts market, making accurate identification and compatibility assessment important for maintenance and equipment lifecycle planning.

Technical Specifications

Note: The dimensions and weight above are the supplied listing values. Confirm the physical unit and packaging details before using these figures for shipping calculations or cabinet design.

Function and Working Principle

The PowerFlex 700 drive controls the electrical power delivered to an AC motor. Its power-conversion and control circuitry adjusts the output according to the selected operating mode, speed reference, and configured motor parameters.

1. Variable-Frequency Motor Speed Control

The speed of an AC motor is related to the frequency of the electrical supply and the motor’s design. By adjusting the output frequency, the drive allows the motor to operate at different speeds within its permitted operating range.

For example, a conveyor may need to run slowly while products are being positioned and faster during normal transportation. A variable frequency drive can provide these speed changes without requiring mechanical speed adjustment for every operating condition.

The actual speed range depends on the motor, load, control settings, and application requirements.

2. Vector Control

The 20BC2P1A0AYNANC0 is configured for vector control. This method provides more advanced management of motor operation than a basic frequency-only approach.

When the drive is configured correctly for the connected motor, vector control can improve torque response and speed regulation. These characteristics are useful in applications where the load changes during operation or where a motor must maintain predictable performance during acceleration and deceleration.

Correct motor data and commissioning are essential. The drive’s control performance depends on its configuration, the motor’s characteristics, and the mechanical load.

3. Acceleration and Deceleration Management

The drive supports independently programmable acceleration and deceleration times. These settings determine how quickly the motor moves between operating speeds.

Suitable ramp settings can reduce sudden mechanical movement, limit stress on couplings and belts, and improve the handling of products on automated production lines.

The appropriate settings depend on load inertia, required cycle time, and motor performance. Rapid deceleration may cause regenerated energy to raise the DC bus voltage. Since this model has no internal braking resistor, the braking requirements should be assessed before selecting aggressive deceleration settings.

4. Motor Protection and Fault Monitoring

The PowerFlex 700 provides drive protection and diagnostic functions intended to help detect abnormal operating conditions. Depending on the configured application, these can include overcurrent, voltage abnormalities, overheating, and motor overload conditions.

The drive’s protection functions do not eliminate the need for suitable upstream circuit protection, proper grounding, or application-specific safety measures. Correct motor parameters and wiring are necessary for reliable operation.

5. Electromagnetic Compatibility

The specified model includes an EMC filter with a common-mode choke. This configuration helps manage conducted electromagnetic interference when the drive is installed and wired according to the applicable instructions.

Correct cable routing, grounding, shielding, and panel layout remain important. The presence of a filter does not guarantee compliance under every installation condition.

Role in Industrial Control Systems

The 20BC2P1A0AYNANC0 can operate as a motor-control component within a wider automation system. It is installed between the electrical supply and a compatible motor and can receive operating commands from a machine-control system.

PLC Integration

A programmable logic controller can coordinate the drive with sensors, actuators, interlocks, and other equipment. Depending on the control architecture, PLC logic may issue start and stop commands, set operating speeds, or respond to process conditions.

This model has 24 V DC I/O, but no internal communication module is included in the specified configuration. Engineers should therefore verify the intended control method and actual terminal arrangement rather than assume that a particular industrial network is available.

HMI and Operator Control

A human-machine interface can display operating conditions, alarms, and process information. In many installations, the HMI communicates with the PLC, which then coordinates motor operation.

The 20BC2P1A0AYNANC0 is supplied without an installed HIM. If local drive access is needed during commissioning or maintenance, confirm the appropriate interface and programming method for the installed configuration.

Motor and Process Coordination

The drive can be used as part of a control strategy that adjusts motor speed according to production requirements. For example, a PLC may regulate conveyor speed in response to product flow or coordinate an auxiliary motor with the main production sequence.

Reliable integration requires the drive, PLC logic, sensors, motor, and mechanical system to be configured as a complete application.

Industrial Applications

The PowerFlex 700 family is intended for industrial motor-control applications. The 20BC2P1A0AYNANC0’s 0.75 kW normal-duty and 0.55 kW heavy-duty ratings mean that motor current, load characteristics, and duty requirements must be checked carefully before selection.

1. Conveyor Systems

Small conveyors often require controlled starting, stopping, and speed adjustment. A correctly sized drive can help synchronize material movement with inspection, sorting, packaging, or downstream processing equipment.

For this model, verify the conveyor motor’s rated current, required starting torque, load inertia, and stopping requirements before installation.

2. Small Pumping Equipment

Some industrial auxiliary pumps operate under changing flow or pressure requirements. A compatible drive can adjust motor speed to match process demand and may help reduce unnecessary throttling in suitable systems.

The pump’s minimum operating speed, fluid characteristics, cooling requirements, and motor ratings should be evaluated during drive selection.

3. Fans and Ventilation Equipment

Small industrial fans and ventilation motors may require adjustable airflow. In suitable applications, reducing fan speed can lower energy consumption compared with operating continuously at a higher fixed speed.

The motor must remain within its permitted operating range, and the drive must be installed in an enclosure with adequate ventilation and thermal management.

4. Packaging and Assembly Machinery

Packaging and assembly equipment often use compact motors for feeding, conveying, and auxiliary movement. Adjustable-speed operation can help synchronize these processes with the production cycle.

Where precise positioning or closed-loop speed regulation is required, the engineering team should confirm that the available control configuration and lack of a feedback option meet the application’s requirements.

5. General Manufacturing Equipment

The drive may be considered for compatible auxiliary motors in manufacturing facilities, material-handling systems, and process machinery. Its suitability depends on the motor’s electrical ratings, load profile, operating environment, and required control functionality.

A drive should not be selected based on power rating alone. Output current and overload capability are particularly important when the driven equipment experiences frequent starts, changing loads, or high starting torque.

Installation and System Integration

Correct installation supports safe operation, reliable motor control, and longer equipment service life.

1. Verify the Power Supply

Confirm that the incoming supply matches the drive’s nominal 400 V AC three-phase rating. Check supply frequency, motor voltage, motor rated current, and protective-device requirements.

The drive should be selected according to the motor’s nameplate data and application duty. A motor with a nominal power close to the drive’s rating may still be unsuitable if its current or overload requirements exceed the drive’s limits.

2. Confirm Mounting Dimensions and Clearances

The supplied dimensions are 336 × 200 × 110 mm. These correspond to the manufacturer’s listed height, depth, and width values when arranged as 336 × 110 × 200 mm.

Before panel fabrication, verify the manufacturer’s dimensional drawing for the exact unit. Allow sufficient clearance for cooling airflow, wiring, maintenance, and heat dissipation.

The IP20 / NEMA Type 1 configuration is not a sealed, water-resistant enclosure. Where the installation environment contains moisture, conductive dust, or other contaminants, use an appropriate protective cabinet and follow the manufacturer’s environmental requirements.

3. Wiring and Grounding

Power, motor, control, and grounding conductors must be installed according to the drive’s instructions and applicable electrical codes. Separate sensitive control wiring from power conductors where required to minimize interference.

Use appropriately rated cables and upstream protective devices. Before installation or servicing, isolate the power supply, follow lockout procedures, and verify that hazardous voltage has been removed.

4. Configure Motor Parameters

Enter the motor nameplate information and configure the control method, speed references, command sources, acceleration and deceleration times, and relevant protection parameters.

For vector control, follow the manufacturer’s motor setup and tuning procedures. Incorrect motor data may cause poor speed regulation, reduced torque performance, or nuisance trips.

5. Evaluate Braking Requirements

This model has a braking IGBT installed but does not include an internal braking resistor. The IGBT is a switching component used in a braking circuit; it does not itself dissipate the regenerated energy that may be produced during deceleration.

If the application involves rapid stopping, frequent deceleration, or a high-inertia load, determine whether an approved external braking resistor or another braking arrangement is necessary. Verify resistor sizing, duty cycle, wiring, and protection against the manufacturer’s requirements.

6. Commission and Test the System

Before returning the equipment to service, inspect wiring and grounding, confirm the motor connections, and verify that the motor can operate safely.

Test the start and stop commands, rotation direction, speed reference, acceleration and deceleration, interlocks, and fault response. Record the final drive parameters so that maintenance personnel can restore the correct settings after replacement or troubleshooting.

Compatible System Components

The 20BC2P1A0AYNANC0 is typically used as part of an engineered motor-control system. Compatibility must be assessed according to electrical ratings, control requirements, and the exact configuration of each component.

These components are examples of equipment that may be used in a complete installation. They are not necessarily included with the drive.

Alternative Models and Replacement Considerations

The PowerFlex 700 20B family has been discontinued. When maintaining an existing installation, replacement selection should consider electrical compatibility and the original control configuration.

Before approving a replacement, compare:

• Input voltage and phase configuration.
• Continuous output current and overload capability.
• Normal-duty and heavy-duty motor ratings.
• Control method and speed-regulation requirements.
• Control I/O voltage and terminal assignments.
• Communication and feedback requirements.
• Braking IGBT and braking-resistor configuration.
• EMC filtering and environmental protection.
• Mounting dimensions, cooling, and wiring access.
• PLC program, parameter settings, and commissioning procedures.

A drive with a similar power rating may not provide the same functionality. Changes to the control interface, braking circuit, protection settings, or wiring may require engineering work.

Key Advantages

Vector Motor Control

The specified vector-control configuration supports more advanced motor-control strategies than basic fixed-frequency operation when correctly configured for the application.

Adjustable Speed

The drive allows compatible AC motors to operate at different speeds according to production requirements, supporting flexible machine operation.

Programmable Acceleration and Deceleration

Adjustable ramp settings help match motor response to process needs and can reduce abrupt mechanical movement.

Integrated Braking IGBT

The installed braking IGBT provides a braking-circuit capability. External braking hardware may still be needed depending on the application’s energy and stopping requirements.

EMC Filtering

The included EMC filter and common-mode choke support electromagnetic compatibility when the drive is installed according to the applicable guidelines.

Conformal Coating

The specified configuration includes conformal coating, which can provide additional protection for electronic assemblies under appropriate environmental conditions. It does not make the drive suitable for unrestricted exposure to moisture or corrosive contaminants.

Established Industrial Use

The PowerFlex 700 family is present in legacy industrial installations. Accurate catalog identification and configuration matching can help maintenance teams source suitable spare parts and plan replacements.

Technical FAQs

1. What is the Allen-Bradley 20BC2P1A0AYNANC0?

It is a PowerFlex 700 AC drive designed to control compatible three-phase AC motors. It is rated for 400 V AC input, 2.1 A continuous output, and 0.75 kW normal-duty operation.

2. What is the heavy-duty power rating?

The documented heavy-duty rating is 0.55 kW. The correct operating rating depends on the motor, load, and required overload performance.

3. What input voltage does this model require?

The nominal input is 400 V AC, three-phase, at 50 Hz. Always confirm the actual nameplate and installation documentation before connecting the drive.

4. Does the drive include a braking resistor?

No. The 20BC2P1A0AYNANC0 has a braking IGBT installed but does not include an internal braking resistor. An external braking solution may be required for applications that regenerate energy during deceleration.

5. Does it have a built-in communication module?

No internal communication module is included in the specified configuration. Verify the intended PLC interface and any additional hardware requirements before designing the control system.

6. Can it be connected to a PLC?

Yes, it can be integrated into a suitable PLC-based control system using the available 24 V DC I/O or an appropriately engineered control arrangement. The exact wiring and control method must be verified for the installation.

7. Is the 20BC2P1A0AYNANC0 still in production?

No. The PowerFlex 700 20B series was discontinued on November 30, 2023. Availability may vary among suppliers, so buyers should verify stock, condition, and any warranty terms.

8. Can it replace another PowerFlex 700 model?

Not automatically. Different catalog numbers can have different output ratings, control interfaces, braking hardware, filtering, and feedback options. Compare the full catalog number and specifications before substitution.

9. What should be checked when purchasing a used drive?

Check the nameplate, complete catalog number, series, visible condition, terminals, cooling fan, and available fault or test information. Confirm whether accessories are included and request appropriate functional testing for critical applications.

10. Is 5.22 kg a suitable listing weight?

The supplied weight of 5.22 kg is consistent with a PowerFlex 700 selection-table figure for this frame and configuration. The manufacturer product page also lists approximately 8.16 kg as drive-and-packaging weight. These figures may use different weighing bases, so confirm whether the listing is intended to show the unit weight or shipping weight.

Procurement and Maintenance Recommendations

Because the PowerFlex 700 20B series is discontinued, procurement should start with the exact catalog number rather than the product-family name alone.

When sourcing the 20BC2P1A0AYNANC0, verify the model printed on the nameplate and confirm the 400 V AC input rating, 2.1 A output current, duty rating, vector-control configuration, conformal coating, EMC filtering, and braking arrangement.

For new-old-stock, used, or refurbished equipment, request clear photographs of the nameplate and terminals, confirm the condition and test status, and establish the applicable warranty and return terms. Check whether the product is supplied with any accessories and verify the shipping weight separately from the unit weight.

During maintenance, keep the drive and surrounding cabinet clean, maintain the required airflow, and inspect wiring, grounding, terminals, and cooling components according to the applicable maintenance schedule. Back up parameter settings and document any changes made during commissioning or troubleshooting.

For replacement projects, assess whether the existing motor, PLC logic, control wiring, braking circuit, and panel layout can be retained. A newer drive may require parameter conversion, wiring modifications, control-program changes, or a complete recommissioning process.

Conclusion

The Allen-Bradley 20BC2P1A0AYNANC0 PowerFlex 700 AC Drive is a 400 V AC three-phase variable frequency drive with a continuous output current of 2.1 A, a 0.75 kW normal-duty rating, and a 0.55 kW heavy-duty rating. Its specified configuration includes vector control with 24 V DC I/O, conformal coating, an installed braking IGBT, and EMC filtering.

The drive does not include an internal braking resistor, an installed HIM, or an internal communication module. Since the PowerFlex 700 20B series has been discontinued, careful model verification and compatibility assessment are essential for industrial maintenance and replacement projects.