OVERVIEW

Official designation: Allen-Bradley 20-COMM-D (PowerFlex, DeviceNet Communication Adapter)

Role/Application: Embedded communication option integrating PowerFlex 70-750 and SMC controllers into DeviceNet control systems for high-speed explicit and I/O data exchange.

KEY SPECS SUMMARY

Power: 150 mA at 5V DC (Host), 60 mA at 24V DC (Network)

Interfaces / Ports: 20-pin DPI, 5-pin DeviceNet connector

Indicators: Three LEDs for DPI, Adapter, and Network status

Operating Temp: Minus 10 degrees C to 50 degrees C

Platform / Compatibility: PowerFlex 70/700/750 Series, SMC Flex/SMC-50

Limit: 5 percent to 95 percent relative humidity non-condensing

Lifecycle: Refer to the latest manufacturer manual.

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What are the three standard DeviceNet communication data rates supported by this adapter?

A: The adapter supports 125K, 250K, and 500K bits per second data rates.

Wiring & Installation:

Q: What is the maximum physical dimension and approximate mass of the 20-COMM-D module?

A: The dimensions are 19 millimeters high by 86 millimeters long by 78.5 millimeters deep, with a weight of 0.05 kilograms.

Troubleshooting & Compatibility:

Q: What kind of data messaging methods are supported by the DeviceNet adapter?

A: Explicit, UCMM, Polled, Cyclic, and Change-of-State messaging methods are supported.

Replacement & Upgrades:

Q: Which PowerFlex 750 Series drives are compatible with the 20-COMM-D module?

A: The adapter is compatible with PowerFlex 750 Series R drives, requiring specific drive firmware revision levels.