Excellent PLC
Product Introduction
The Allen-Bradley 20-COMM-P PowerFlex Profibus Communication Adapter is a dedicated communication interface designed to integrate PowerFlex drives into Profibus DP industrial networks. It provides a reliable conversion from the internal DPI (Drive Peripheral Interface) communication protocol to the widely used Profibus DP fieldbus standard.
This adapter supports both single-drive and multi-drive modes, allowing flexible system configurations depending on application requirements. It is particularly suitable for systems where multiple drives need to be controlled through a single network node, reducing hardware complexity and improving communication efficiency.
With automatic baud rate detection up to 12 Mbps, the module simplifies network setup and ensures compatibility with the Profibus master. It also includes byte-swapping functionality to support both Intel and Motorola data formats, enhancing interoperability across different control systems.
Compact in design, the 20-COMM-P mounts directly onto PowerFlex drives, providing a streamlined and efficient solution for industrial communication integration.
Product Specifications
| Parameter | Description |
|---|---|
| Product Model | 20-COMM-P |
| Manufacturer | Rockwell Automation (Allen-Bradley) |
| Product Type | Profibus communication adapter |
| Compatible Drives | PowerFlex drives |
| Communication Protocol | DPI to Profibus DP |
| Network Type | Profibus DP |
| Max Communication Speed | Up to 12 Mbps |
| Operation Mode | Single node / Multi-drive mode |
| Special Features | Auto baud detection, byte swapping support |
| Data Format Compatibility | Intel / Motorola format |
| Function | Drive communication interface |
| Mounting Type | Drive-mounted adapter |
| Dimensions | 86 × 19 × 78.5 mm |
| Weight | 0.057 kg |
Applications
● Profibus-based automation systems
Enables PowerFlex drives to connect to Profibus DP control networks for centralized operation.
● Multi-drive control architectures
Supports multi-drive mode, allowing several drives to be managed through a single communication node.
● Process control environments
Used in industries requiring stable and deterministic fieldbus communication.
● Manufacturing and production systems
Provides reliable communication for coordinated motor control in production lines.
● System integration and modernization
Allows legacy PowerFlex drives to be integrated into modern Profibus-based automation systems.
Advantages
● Flexible multi-drive capability
Supports multi-drive mode, reducing the number of required network nodes.
● Automatic baud rate detection
Simplifies installation by automatically matching the network master speed up to 12 Mbps.
● Wide data compatibility
Byte-swapping support ensures compatibility with both Intel and Motorola architectures.
● Reliable Profibus communication
Provides stable and deterministic data exchange in industrial environments.
● Compact and efficient design
Direct mounting on drives reduces installation complexity and saves cabinet space.
● Seamless DPI integration
Efficiently converts internal drive communication into Profibus protocol.
