Allen Bradley 20BD077A0ANNACC1 PowerFlex 700 AC Drive
Allen Bradley 20BD077A0ANNACC1 PowerFlex 700 AC Drive
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Brand:Allen Bradley PLC Item No.:20BD077A0ANNACC1 Product Origin:USA Product Dimensions:758.8 x 201.7 x 220 mm Product Weight:24.49 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Allen Bradley 20BD077A0ANNACC1 PowerFlex 700 AC Drive is part of the PowerFlex 700 family of industrial adjustable-frequency drives. It is designed for applications where precise and reliable AC motor control is required and where the drive must operate as part of a larger industrial automation system.
This particular configuration is designed for a 480 VAC three-phase supply and provides a 77 A continuous output rating. Its published application ratings are 60 HP for normal duty and 50 HP for heavy duty. This makes it appropriate for relatively large industrial motors and equipment with substantial power requirements.
A key feature of the 20BD077A0ANNACC1 configuration is its integrated ControlNet coaxial communication capability. In an Allen Bradley automation environment, this allows the drive to exchange operational information with compatible control equipment over a ControlNet network. Drive commands, status information, diagnostic information, and other data can therefore be incorporated into a coordinated control strategy when the network is properly configured.
The drive also supports standard encoder feedback. In applications where motor speed must be maintained more accurately than an open-loop arrangement can provide, encoder feedback can be used as part of a closed-loop control strategy. Correct encoder type, wiring, signal quality, and parameter configuration are important for reliable operation.
Another important characteristic is its vector-control capability. Depending on the application, engineers can configure the drive for sensorless vector control, V/Hz operation, or other supported control strategies. Selecting the appropriate method requires consideration of motor characteristics, load inertia, required torque, operating speed, and feedback requirements.
The drive uses an IP20/NEMA Type 1 enclosure configuration. It should therefore be installed in an appropriate industrial environment rather than exposed directly to conditions outside its specified environmental requirements. Cabinet ventilation, heat dissipation, grounding, cable routing, and access for maintenance should be considered during installation.
Because PowerFlex 700 drives are available in numerous configurations, the full catalog number is especially important when sourcing replacement equipment. The difference between catalog numbers can represent changes in communication options, feedback, braking hardware, filtering, control configuration, or other characteristics. For that reason, the 20BD077A0ANNACC1 should be matched against the existing application and nameplate information before procurement.
Technical Specifications
Specification
Details
Brand
Allen Bradley
Manufacturer
Rockwell Automation
Product Family
PowerFlex 700
Model
20BD077A0ANNACC1
Product Type
PowerFlex 700 AC Drive
Drive Series
20B
Input Voltage
480 VAC
Input Phase
3-Phase
Output Current
77 A
Normal-Duty Rating
60 HP
Heavy-Duty Rating
50 HP
Motor Control
Vector Control / Sensorless Vector / V/Hz
Control I/O
24 VDC
Feedback
Standard Encoder
Communication
ControlNet Coaxial
EMC Filtering
EMC Filter with Common-Mode Choke
Brake IGBT
Without
Internal Brake Resistor
No
Human Interface Module
No HIM / Blank Plate
Enclosure
IP20 / NEMA Type 1
Dimensions
758.8 × 201.7 × 220 mm
Weight
24.49 kg / 53.99 lb
Important: The supplied product dimensions and weight are used above. Electrical ratings and configuration details should be confirmed against the actual drive nameplate before installation, commissioning, or replacement.
Recommended Related Models
The following Allen Bradley models are relevant when comparing PowerFlex drive configurations or planning replacement and maintenance requirements:
Allen Bradley 20BD077A0ANNANA0 PowerFlex 700 AC Drive
Allen Bradley 20BD077A0ANNANC0 PowerFlex 700 AC Drive
Allen Bradley 20BD077A0ANNADC1 PowerFlex 700 AC Drive
Allen Bradley 20BD096A0ANNANA0 PowerFlex 700 AC Drive
Allen Bradley 20AD5P0A0AYYNNG0 PowerFlex 70 AC Drive
Allen Bradley 20F1ANC205JA0NNNNN PowerFlex 753 AC Drive
Different catalog numbers can have substantially different communication, feedback, braking, filtering, and control configurations. These models should therefore be evaluated as related products rather than assumed to be direct drop-in replacements.
Popular Related Models
For industrial automation, motor control, and PowerFlex replacement projects, the following models are also commonly considered:
Allen Bradley 20AD5P0A0AYYNNG0 PowerFlex 70 AC Drive
Allen Bradley 20F1ANC205JA0NNNNN PowerFlex 753 AC Drive
Allen Bradley 20P21AD207RA0NNN PowerFlex DC Drive
Allen Bradley 25B PowerFlex 525 AC Drive
Allen Bradley 22B PowerFlex 40 AC Drive
Allen Bradley 20G PowerFlex 755 AC Drive
When selecting a spare or replacement for the 20BD077A0ANNACC1, the complete catalog number should be compared with the installed unit. Particular attention should be paid to the 480 VAC three-phase rating, 77 A output requirement, ControlNet communication, encoder feedback, braking configuration, and enclosure requirements.
Applications
The Allen Bradley 20BD077A0ANNACC1 can be used wherever large AC motors require controlled speed, torque, acceleration, and deceleration.
Typical applications include:
Large conveyor systems
Material handling equipment
Industrial pumps
Cooling and ventilation fans
Compressors
Extrusion machinery
Processing equipment
Manufacturing production lines
Mining and bulk-material systems
Packaging machinery
Machine tools
Industrial HVAC systems
OEM motor-control equipment
With its 77 A output capability, the drive is particularly appropriate for applications requiring substantially more motor capacity than smaller PowerFlex drives.
The ControlNet communication capability can also make this configuration useful in automation systems where the drive needs to exchange control and status information with a compatible Allen Bradley control architecture.
Advantages
77 A Industrial Motor Control
The 20BD077A0ANNACC1 provides a continuous output rating of 77 A and is specified for 60 HP normal-duty and 50 HP heavy-duty applications.
PowerFlex 700 Vector Control
The drive supports vector-based motor control for applications requiring improved speed regulation and torque response compared with basic V/Hz operation.
Integrated ControlNet Communication
This specific catalog configuration includes a ControlNet coaxial communication module, allowing it to participate in compatible ControlNet-based industrial automation systems.
Standard Encoder Feedback
The configuration supports standard incremental encoder feedback, which can be valuable for applications requiring improved speed regulation and closed-loop control.
24 VDC Control I/O
The vector-control configuration provides 24 VDC control I/O for integration with external control signals and automation equipment.
EMC Filtering
An EMC filter with common-mode choke is included in the specified configuration, helping address electromagnetic compatibility requirements in appropriate installations.
Multiple Control Strategies
PowerFlex 700 drives support selectable motor-control approaches, allowing engineers to configure the drive according to the motor and application requirements.
Comprehensive Protection Functions
The drive incorporates protection and monitoring functions addressing conditions such as overcurrent, overvoltage, undervoltage, overload, overtemperature, ground faults, and output short circuits.
Suitable for Industrial Replacement Projects
For existing PowerFlex 700 installations, the complete catalog number provides an important reference when identifying a replacement or spare drive. Electrical ratings, communication options, feedback configuration, and enclosure characteristics should all be matched before replacement.
Technical FAQs
1. What is the Allen Bradley 20BD077A0ANNACC1?
It is an Allen Bradley PowerFlex 700 AC Drive designed for adjustable-speed control of three-phase industrial AC motors. The specified configuration has a 77 A output rating and includes ControlNet communication and standard encoder feedback capability.
2. What is the normal-duty horsepower rating?
The drive is rated for 60 HP normal-duty applications. Its heavy-duty rating is 50 HP. The final motor selection should always be based on the motor's actual current and application load rather than horsepower alone.
3. What is the input voltage of this drive?
The 20BD077A0ANNACC1 is a 480 VAC, three-phase configuration within the PowerFlex 700 380–480 V drive class. Incoming power should be verified against the product nameplate before energization.
4. Does this model have ControlNet communication?
Yes. This specific configuration includes an internal ControlNet coaxial communication module. The existing PLC and ControlNet network configuration should be checked before integrating the drive into an existing system.
5. Does the drive support encoder feedback?
Yes. The catalog configuration specifies standard encoder feedback. The encoder should meet the drive's electrical and signal requirements, and correct wiring and configuration are necessary for reliable feedback operation.
6. Does the drive include a braking resistor?
No. This configuration does not include an internal drive-mounted brake resistor and does not have a brake IGBT. If dynamic braking is required, the complete application design must provide an appropriate external braking solution.
7. Does the drive include a Human Interface Module?
No. The specified configuration is supplied without a HIM and uses a blank plate. Parameter access and commissioning therefore need to be handled through the available control and communication interfaces or an appropriately selected interface.
8. What are common causes of PowerFlex 700 faults?
Typical causes can include excessive motor current, mechanical overload, incorrect motor parameters, unstable incoming power, acceleration or deceleration settings that are unsuitable for the load, insufficient cooling, ground faults, or motor and cable problems.
9. Can the 20BD077A0ANNACC1 operate in sensorless vector mode?
Yes. The PowerFlex 700 platform supports selectable motor-control methods, including sensorless vector and V/Hz control. The appropriate method depends on the required speed regulation, torque characteristics, and feedback arrangement.
10. What should be checked before installing a replacement drive?
Verify the complete catalog number, input voltage, motor current, duty rating, communication module, feedback configuration, braking requirements, control wiring, cabinet environment, and existing drive parameters. A replacement should not be selected solely by matching the PowerFlex 700 family name.
