Allen Bradley 20-COMM-E PowerFlex EtherNet/IP Communication Adapter

Product Introduction

The Allen-Bradley 20-COMM-E PowerFlex EtherNet/IP Communication Adapter is a dedicated network interface module designed for PowerFlex drive systems. It enables PowerFlex 70 and PowerFlex 700 series drives to communicate over EtherNet/IP networks, providing seamless integration into modern industrial Ethernet-based automation systems.

This adapter converts internal DPI (Drive Peripheral Interface) communication into standard EtherNet/IP protocol, allowing real-time control, monitoring, and diagnostics from PLC or controller systems. It is widely used in distributed automation architectures where high-speed and reliable communication is required.

Supporting 10/100 Mbps Ethernet communication, the 20-COMM-E ensures stable data exchange between drives and control systems. It is designed for direct mounting on compatible PowerFlex drives, offering a compact and efficient communication upgrade solution.

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Product Specifications

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Applications

● Industrial Ethernet drive integration
Enables PowerFlex drives to connect directly to EtherNet/IP industrial networks for centralized control.

● Manufacturing automation systems
Used in production lines requiring coordinated motor speed and torque control via PLC systems.

● Process control systems
Supports real-time communication in continuous industrial process environments.

● Distributed motor control architectures
Allows multiple drives to be controlled over a single Ethernet network.

● System modernization projects
Upgrades legacy PowerFlex 70/700 drives to modern Ethernet-based communication systems.

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Advantages

● High-speed Ethernet communication
Supports 10/100 Mbps EtherNet/IP, ensuring fast and reliable data exchange.

● Seamless DPI integration
Converts internal drive communication into standardized industrial Ethernet protocol.

● Compact installation design
Small form factor allows direct mounting on PowerFlex drives without extra space requirements.

● Improved system scalability
Enables easy expansion of drive networks within Ethernet-based automation systems.

● Real-time control capability
Supports deterministic communication suitable for industrial motion and process control.

● Efficient system upgrade path
Allows existing PowerFlex drives to be integrated into modern control architectures.

FAQ

1. What is the main function of the 20-COMM-E adapter?
   It enables PowerFlex 70 and 700 drives to communicate over EtherNet/IP networks by converting internal DPI communication into Ethernet-based data exchange.
2. What type of Ethernet speed does it support?
   It supports 10/100 Mbps Ethernet communication, suitable for most industrial automation applications.
3. Can this module be used for real-time control?
   Yes, it is designed for real-time industrial control, monitoring, and diagnostics over EtherNet/IP networks.
4. What is DPI in this context?
   DPI (Drive Peripheral Interface) is the internal communication protocol used by PowerFlex drives, which the adapter converts into EtherNet/IP.
5. Is the adapter compatible with all PowerFlex drives?
   No, it is specifically designed for PowerFlex 70 and PowerFlex 700 series drives.
6. How is the module powered?
   It operates on a 5 VDC supply with 350 mA current consumption.
7. Does it affect drive performance?
   No, it only handles communication and does not modify the internal drive control logic.
8. How is it installed?
   It is mounted directly onto the compatible PowerFlex drive as an expansion communication module.
9. What happens if Ethernet communication is lost?
   The drive follows its configured fault response strategy, which may include stopping or holding operation depending on system settings.
10. Why is EtherNet/IP widely used in industrial systems?
    Because it provides fast, deterministic, and scalable communication for modern industrial automation and motion control systems.

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