Allen-Bradley 25-COMM-E2P PowerFlex dual-port EtherNet/IP Adapter

Integrate your low-voltage motor control seamlessly into high-availability industrial networks with the Allen-Bradley 25-COMM-E2P EtherNet/IP Communication Adapter. Purpose-built by Rockwell Automation as an internal plug-in option module, this communication card mounts directly inside the control pod of PowerFlex 520-Series variable frequency drives (VFDs), including the highly popular PowerFlex 525 and PowerFlex 523 architectures. By extending native dual-port network routing to the drive, it enables deterministic cyclic data exchange for control commands, frequency references, and high-speed status feedback, alongside acyclic parameter overrides.

The hardware features two integrated RJ45 interfaces functioning as an embedded industrial network switch. This design natively executes Device Level Ring (DLR) protocols, allowing engineers to build fault-tolerant, daisy-chained ring topologies that guarantee complete communication uptime and prevent system downfalls if an individual panel cable is cut. Additionally, the adapter hosts a built-in web server interface, providing password-protected access to diagnostic counters, network statistics, and direct drive parameters via any standard web browser. Powered directly by the host drive's internal backplane, this module eliminates intermediate network infrastructure, saves critical sub-panel footprint, and simplifies automated drive replacements on active production lines.