Allen-Bradley 20-COMM-D DeviceNet Communication Adapter
The Allen-Bradley 20-COMM-D is a highly reliable Series B DeviceNet communication adapter module designed to seamlessly integrate compatible PowerFlex drives and other Allen-Bradley devices into a DeviceNet network. This versatile module features intuitive rotary switches for straightforward Node Address configuration and flexible Data Rate selection, supporting Auto, 125K, 250K, and 500K baud rates. Equipped with a robust terminal block connector and a ribbon cable interface, the 20-COMM-D ensures secure and efficient data transmission across your automation architecture. Engineered for demanding industrial environments, it operates with device power requirements of 5VDC at 150mA and network power of 24VDC at 60mA. Carrying UL, CE, and N223 certifications, this adapter guarantees compliance with stringent global industrial control standards.
Technical Specifications:
- Brand: Allen-Bradley
- Model Number: 20-COMM-D
- Series: B
- Network Protocol: DeviceNet
- Selectable Data Rates: Auto, 125 Kbps, 250 Kbps, 500 Kbps
- Device Power Consumption: 5V DC, 150 mA
- Network Power Consumption: 24V DC, 60 mA
- Firmware Release Number (FRN): V 2.001
- Configuration: Rotary switches for Node Address and Data Rate
- Certifications/Approvals: UL US Listed (IND. CONT. EQ. 965X), CE, N223
- Country of Origin: Malaysia

| Brand | Allen-Bradley |
|---|---|
| Model | 20-COMM-D |
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If you are buying multiple items, please contact us before checking out so we can get you the best combined rate for shipping.
Our default shipping rate is $100, which is enough to cover the cost of most shipments, but it is not our expected shipping rate. Due to the varying weights and sizes of products and customer locations, please contact us with your location and the products you are interested in to get the best current shipping rates.
ENERAL DELIVERY INFORMATION
Orders will be processed and shipping during standard working hours (0830 – 1700 GMT+8) Monday to Friday (excluding Bank Holidays)
On rare occasions, your order may be handled and/or processed on a Saturday. However, we are unable to ship items on weekends, therefore any orders dealt with on the weekend will be send out the next following working day.
The cut-off point for orders to be shipped the same day is 14:00 – please contact us to confirm stock levels before placing your order
Any orders placed after the cut-off will ship the next working day assuming all parts are in stock and ready for dispatch.
All orders:
- must be paid for in full before any goods are dispatched
- require a signature upon delivery. Please ensure delivery can be made to an address where someone will be available to sign for the delivery
- are packaged with great care, ensuring your order and the contents it contains, makes it safely through the delivery network
Allen-Bradley 20-COMM-D DeviceNet Communication Adapter
Optimize your industrial automation network with the Allen-Bradley 20-COMM-D Series B DeviceNet Communication Adapter. Featuring easy rotary switch configuration, selectable baud rates up to 500K, and UL/CE certifications, this module provides seamless and reliable integration for your compatible PowerFlex drives.

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