Allen-Bradley 20-COMM-D PowerFlex DeviceNet Communication Adapter

Overview

The Allen-Bradley 20-COMM-D is a DeviceNet communication adapter developed for PowerFlex AC drives and SMC controllers. It provides seamless integration between drives and DeviceNet networks, supporting high-speed communication rates and real-time control data exchange for advanced automation systems.

Technical Specifications

• Manufacturer: Allen-Bradley

• Product Line: PowerFlex Series

• Part Number: 20-COMM-D

• Product Type: DeviceNet Communication Adapter

• Compatible Drives: PowerFlex 70, 700, 700H, 700S, 700L, 750 series; also compatible with PowerFlex Digital AC drives, SMC Flex, and SMC-50 smart motor controllers

• Communication Protocols: DeviceNet, DPI (Drive Peripheral Interface)

• Communication Ports:

• 1 DPI connector

• 1 DeviceNet connector

• Data Rates: 125 kbps, 250 kbps, 500 kbps

• RPI (Requested Packet Interval): 5 ms minimum

• Maximum TCP Connections: 30

• Drive Electrical Consumption: 150 mA at 5V DC (supplied by host drive or DPI external kit)

• Network Electrical Consumption: 60 mA at 24V DC (supplied by network)

• LED Indicators: Three LEDs for drive, adapter, and network status

• Operating Temperature: 10–50 °C (14–122 °F)

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

• Mounting Type: Panel mount (IP20, NEMA/UL Type 1 enclosure)

• Weight: 0.19 lbs (0.09 kg)

Key Features

• Seamless Integration: Enables DeviceNet connectivity for PowerFlex drives and motor controllers.

• High-Speed Communication: Supports up to 500 kbps for fast data transfer.

• Flexible Network Configuration: Adjustable baud rates and connection parameters.

• Real-Time Control: 5 ms minimum RPI ensures precise, time-sensitive communication.

• Status Feedback: Tri-color LED indicators provide at-a-glance network and adapter diagnostics.

• Power Efficiency: Draws low current from both drive and DeviceNet network.

Application Scenarios

• Factory Automation: Connect PowerFlex drives to DeviceNet networks for coordinated control.

• Process Systems: Ideal for distributed control and motor coordination.

• Material Handling: Supports synchronized drive communication for conveyors and packaging.

• Energy Management: Enables efficient monitoring and control in multi-drive systems.

FAQs

Q: Which drives are compatible with the 20-COMM-D adapter?
A: It supports PowerFlex 70, 700, 700H, 700S, 700L, 750 drives, and SMC Flex/SMC-50 controllers.

Q: What is the supported communication speed?
A: The adapter operates at 125 kbps, 250 kbps, and 500 kbps.

Q: How many TCP connections are supported?
A: The adapter allows up to 30 simultaneous connections.

Q: What does the DC-OK LED indicate?
A: The LED indicators show communication, adapter, and drive connection status.

Q: Can it be mounted in any enclosure?
A: It is designed for panel mounting with IP20 and NEMA/UL Type 1 protection.