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Allen Bradley 20-COMM-E PowerFlex EtherNet/IP Communication Adapter
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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.
Product Specifications
| Parameter | Description |
|---|---|
| Product Model | 20-COMM-E |
| Manufacturer | Rockwell Automation (Allen-Bradley) |
| Product Type | EtherNet/IP communication adapter |
| Compatible Drives | PowerFlex 70 / PowerFlex 700 |
| Communication Protocol | EtherNet/IP to DPI |
| Ethernet Speed | 10/100 Mbps |
| Supply Voltage | 5 VDC |
| Current Consumption | 350 mA |
| Function | Drive communication interface module |
| Network Role | Industrial Ethernet node |
| Mounting Type | Drive-mounted adapter |
| Functionality | Real-time control, diagnostics, monitoring |
| Dimensions | 86 × 19 × 78.5 mm |
| Weight | 0.085 kg |
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.
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
- 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. - What type of Ethernet speed does it support?
It supports 10/100 Mbps Ethernet communication, suitable for most industrial automation applications. - 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. - 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. - Is the adapter compatible with all PowerFlex drives?
No, it is specifically designed for PowerFlex 70 and PowerFlex 700 series drives. - How is the module powered?
It operates on a 5 VDC supply with 350 mA current consumption. - Does it affect drive performance?
No, it only handles communication and does not modify the internal drive control logic. - How is it installed?
It is mounted directly onto the compatible PowerFlex drive as an expansion communication module. - 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. - 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.
Related Models
| Model | Description | Key Feature |
|---|---|---|
| 20-COMM-D | ControlNet adapter | Legacy network communication |
| 20-COMM-C | ControlNet adapter | Deterministic fieldbus |
| 20-COMM-DP | Profibus adapter | Profibus DP integration |
| 20-COMM-DR | DeviceNet adapter | Device-level network support |
| 20-COMM-R | Remote I/O adapter | Legacy I/O communication |
| 20-COMM-IO | I/O interface module | General-purpose adapter |
Popular Models
| Model | Description | Key Feature |
|---|---|---|
| 20F11ND014AA0NNNNN | PowerFlex 753 drive | Industrial motor control |
| 20G11NC072JA0NNNNN | PowerFlex 755 drive | High-performance drive platform |
| 1756-L81E | ControlLogix controller | PLC automation system |
| 1756-EN2T | Ethernet module | High-speed industrial networking |
| 1769-L33ER | CompactLogix controller | Integrated automation system |
| 1734-IB8 | POINT I/O module | Compact input module |
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
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