Product Introduction
The Allen-Bradley 20-COMM-D PowerFlex ControlNet Communication Adapter is a communication interface module designed to enable PowerFlex 70 and PowerFlex 700 drives to integrate into industrial ControlNet networks. It provides a reliable pathway for real-time data exchange between the drive and a PLC-based automation system.
This adapter is used to extend the communication capability of PowerFlex drives without modifying the core drive hardware. By converting internal drive communication into ControlNet protocol, it allows centralized control, monitoring, and diagnostics in distributed industrial systems.
Although it is designed for ControlNet integration, it also supports DeviceNet-style communication characteristics in certain configurations, making it suitable for mixed industrial network environments. It is powered by a low-voltage DC supply and is optimized for compact installation directly on the drive.
Product Specifications
| Parameter | Description |
|---|---|
| Product Model | 20-COMM-D |
| Manufacturer | Rockwell Automation (Allen-Bradley) |
| Product Type | Communication adapter module |
| Compatible Drives | PowerFlex 70 / PowerFlex 700 |
| Communication Protocol | ControlNet / DeviceNet compatible interface |
| Supply Voltage | 5 VDC |
| Current Consumption | 150 mA |
| Function | Drive communication expansion module |
| Network Role | Industrial control network interface |
| Mounting Type | Drive-mounted adapter |
| Functionality | Real-time control, monitoring, diagnostics |
| Dimensions | 86 × 19 × 78.5 mm |
| Weight | 0.085 kg |
Applications
● Industrial drive network integration
Enables PowerFlex 70 and 700 drives to connect to ControlNet-based automation systems.
● Process control systems
Used in continuous industrial processes requiring stable and deterministic communication.
● Distributed motor control systems
Supports centralized PLC control of multiple variable frequency drives.
● Manufacturing automation systems
Common in production lines requiring coordinated motor speed and torque control.
● Industrial communication upgrades
Allows legacy drives to be integrated into modern networked control architectures.
Advantages
● Easy drive network integration
Provides a simple way to connect PowerFlex drives to industrial communication networks.
● Compact design
Small footprint allows direct mounting on drives without additional space requirements.
● Reliable real-time communication
Supports deterministic data exchange suitable for industrial control applications.
● Low power consumption
Operates at 5 VDC with 150 mA, ensuring minimal energy usage.
● Improved system flexibility
Enables existing drives to be upgraded into networked automation systems.
● Stable industrial performance
Designed for continuous operation in demanding manufacturing environments.
Company Information
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Add: Alishan Building, 2 Lvling Rd, Siming District, Xiamen, Fujian, China, 361006
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