The Allen-Bradley 20-COMM-D is a DeviceNet communication adapter designed to provide seamless connectivity for PowerFlex series drives, including the PowerFlex 70, 700, and 750 classes, among others. This adapter is equipped with multiple data exchange methods like polled, cyclic, and change-of-state, supporting up to 30 TCP connections. Featuring 16 simultaneous CIP messaging connections and a rapid Request Packet Interval of 5 ms, it ensures efficient data handling. The device is fitted with a 20-pin DSI connector, a 5-pin DeviceNet connector, node address selector, and data rate switch, while also offering status indicators for DPI, adapter, and network insights. With an electrical consumption of 150 mA at 5V DC, the adapter operates within a temperature range of 10…50 °C and is secured by electrostatic precautions during installation to enhance durability and performance.
Technical specifications for 20-COMM-D
Part Number/Catalog No.
20-COMM-D
Brand
Allen-Bradley
Manufacturer
Rockwell Automation
Description
DeviceNet communication adapter
Compatible Drives:
PowerFlex 70, PowerFlex 700, PowerFlex 700H, PowerFlex 700S, PowerFlex 700L, PowerFlex 750 as well as PowerFlex Digital AC Drives, DPI external communication kits, SMC Flex and SMC-50 smart motor controllers.
Communication Port
One (1) DPI connector; One (1) DeviceNet connector
Communication Protocol
DeviceNet; DPI
Data Rate
125K; 250K; 500K
Connection limits:
30 TCP connections
RPI rate:
5 ms minimum
Drive Electrical consumption:
150 mA at 5V DC supplied by the host (drive or DPI External Comms Kit)
Network Electrical consumption:
60 mA at 24V DC supplied by the network
LED indicators:
Three (3) LED indicators for connected drive, adapter, and network