Introduction

The Allen Bradley 20C-CPBS00000000D5 PowerFlex 700H Control Assembly is a specialized control component for Rockwell Automation's PowerFlex 700H drive platform. Its configuration includes a DPI option but does not include I/O boards, making it important to identify the exact catalog number when maintaining or replacing legacy drive components.

In industrial environments, the control assembly plays an important role in the drive's control architecture and communication with compatible peripherals. Selecting the correct configuration helps avoid problems associated with mismatched interfaces or unsupported I/O arrangements.

Although this model has been discontinued, it remains relevant to facilities operating existing PowerFlex 700H systems. For maintenance projects and spare-parts procurement, checking the catalog number, hardware condition, and compatibility with the installed drive is essential.

Technical Specifications

Parameter	Specification
Brand	Allen Bradley
Model	20C-CPBS00000000D5
Product Series	PowerFlex 700H
Product Type	Control Assembly
Configuration	No I/O
Included Option	DPI Option
Application	PowerFlex 700H AC Drive
Lifecycle Status	Discontinued
Discontinued Date	December 31, 2024
Dimensions	228.6 × 177.8 × 76.2 mm
Weight	0.726 kg / 1.60 lb

Recommended Related Models

The following components are associated with the PowerFlex 700H control and I/O architecture. Their functions differ, so confirm the required interface and drive configuration before selecting a part.

Model	Product Description
20C-DPI1	PowerFlex 700H DPI Option Board
20C-DA1-A	24V Digital Inputs with Analog I/O Board
20C-DA1-B	115V Digital Input with Analog I/O Board
20C-DG1	PowerFlex 700H I/O Disable Input Board
20C-DO1	24/115V Digital Output Board

Popular Related Models

Model	Product Description
20C-PP00017	Analog I/O Terminal Block
20C-PP00018	24 VAC/VDC I/O Terminal Block
20C-PP00044	115 VAC I/O Terminal Block
20C-PP00019	Digital Output Terminal Block
20C-VB00228	PowerFlex 700H Fiber Optic Adapter Board

Applications

The Allen Bradley 20C-CPBS00000000D5 Control Assembly is a dedicated control component designed for the PowerFlex 700H AC drive system. It is supplied without I/O functionality but includes a Drive Peripheral Interface (DPI) option, providing an interface for communication with compatible drive peripherals.

Typical applications include:

PowerFlex 700H drive maintenance and component replacement
Industrial motor control system servicing
Restoration of existing drive installations
Replacement of damaged or faulty control assemblies
Maintenance of industrial power conversion equipment
Spare-parts inventory for legacy PowerFlex 700H systems

Advantages

Dedicated PowerFlex 700H compatibility: Designed specifically for the PowerFlex 700H drive platform.
DPI option included: Incorporates a Drive Peripheral Interface option for compatible drive peripheral connections.
No I/O configuration: Provides a control assembly without built-in I/O boards, making it suitable for applications requiring this particular configuration.
Maintenance convenience: Can be used as a replacement component when servicing compatible PowerFlex 700H installations.
Modular drive architecture: Supports maintenance of the control section independently of other drive components.
Legacy equipment support: Useful for organizations maintaining existing PowerFlex 700H equipment and spare-parts inventories.

Technical FAQs

Q1: What is the primary function of the 20C-CPBS00000000D5?

It is a control assembly for the Allen Bradley PowerFlex 700H drive. It provides the drive's control-related hardware interface and is intended for use within the compatible drive architecture.

Q2: Does this control assembly include I/O functionality?

No. This catalog number specifies a control assembly without I/O boards. It does, however, include a DPI option.

Q3: What does DPI mean in this product description?

DPI stands for Drive Peripheral Interface. It provides a communication interface for compatible PowerFlex drive peripherals, such as supported operator interfaces and other peripheral devices.

Q4: Which drive series is compatible with this assembly?

The 20C-CPBS00000000D5 is designed for the PowerFlex 700H drive series. Compatibility should be checked against the specific drive configuration before installation.

Q5: Can this assembly be used to replace a damaged PowerFlex 700H control assembly?

It may be suitable when the original assembly has the same catalog number and configuration. Verify the drive hardware revision and peripheral requirements before replacement.

Q6: Can additional I/O boards be installed with this assembly?

The assembly itself is supplied without I/O boards. Additional I/O functionality depends on the supported option boards, terminal blocks, and the specific PowerFlex 700H configuration.

Q7: What should be checked if connected drive peripherals are not communicating?

Inspect the DPI connections, peripheral cables, connector condition, and device configuration. Also check the drive's diagnostic information for communication-related faults.

Q8: What can cause a PowerFlex 700H control assembly to malfunction?

Possible causes include electrical faults, damaged connectors, component aging, environmental contamination, or problems with connected peripheral devices. A systematic inspection is recommended before replacing the assembly.

Q9: What precautions are necessary when replacing this component?

Disconnect and isolate the drive from all power sources. Follow lockout/tagout procedures and the manufacturer's DC bus discharge instructions. Verify the absence of hazardous voltage before removing or installing components.

Q10: Is the 20C-CPBS00000000D5 still in production?

No. This model was discontinued by Rockwell Automation effective December 31, 2024. It may still be available through surplus inventory or industrial spare-parts suppliers, but buyers should verify product condition and availability.

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