Allen-Bradley | 20-COMM-C | PowerFlex ControlNet Communication Adapter

Overview  

The Allen-Bradley 20-COMM-C ControlNet Adapter is designed for PowerFlex drives, enabling seamless integration into ControlNet networks. It supports high-speed communication, multiple connection types, and robust diagnostics, making it a reliable solution for industrial automation systems.

Technical Specifications

• Manufacturer: Allen-Bradley

• Product Number: 20-COMM-C

• Type: PowerFlex ControlNet Adapter

• Network Protocol: ControlNet

• Data Rate: Fixed at 5 Mbps

• Connection Limits:

• 20 simultaneous CIP messaging connections

• Unlimited input-only I/O connections

• 1 exclusive-owner I/O connection, or up to 3 redundant-owner I/O connections, or 1 listen-only I/O connection

• Packet Rate: Up to 400 I/O packets per second (200 inbound, 200 outbound)

• Power Consumption: 275 mA at 5 V DC (supplied by host drive or DPI external communications kit)

• Operating Temperature: -10°C to +50°C (14°F to 122°F)

• Storage Temperature: -40°C to +85°C (-40°F to 185°F)

• Relative Humidity: 5%–95% non-condensing

• Dimensions (L × W × H): 10.3 cm × 8 cm × 1.6 cm

• Weight: 0.5 kg (shipping weight approx. 1.5 kg)

Key Features

• Provides ControlNet connectivity for PowerFlex drives

• Supports multiple I/O connection types for flexible system integration

• High packet throughput for real-time communication

• Compact design for easy installation within drive systems

• Designed for industrial environments with wide temperature and humidity tolerance

Applications

• Integration of PowerFlex drives into ControlNet networks

• High-speed communication in distributed control systems

• Industrial automation requiring multiple I/O connection types

• Machine control and monitoring with CIP messaging

FAQ

• Q: What is the maximum packet rate supported?  A: Up to 400 I/O packets per second.

• Q: How many CIP messaging connections are supported?  A: 20 simultaneous connections.

• Q: What is the operating temperature range?  A: -10°C to +50°C.

• Q: How is the adapter powered?  A: It consumes 275 mA at 5 V DC, supplied by the host drive or DPI external communications kit.