Allen-Bradley 1734-AENTR EtherNet/IP Adapter

The Allen-Bradley 1734-AENTR is a 2-port EtherNet/IP Point I/O adapter that ties POINT I/O modules to an EtherNet/IP network through two RJ-45 connectors. It includes an integrated two-port Ethernet switch, enabling embedded switching and flexible topology for POINT I/O systems—supporting star, tree, linear, and ring configurations. The unit is powered from a 24 V DC supply to energize the adapter and the connected POINT I/O modules, and it communicates with a controller over EtherNet/IP using CIP-based I/O data exchange. Designed for distributed I/O, the 1734-AENTR supports straightforward expansion of POINT I/O networks without requiring separate external switches, and it integrates with Rockwell Automation software for configuration and diagnostics. Typical applications include remote I/O expansion on manufacturing lines, packaging and material handling, and process-control scenarios where sensors and actuators are distributed across a facility but controlled from a central PLC. As part of the POINT I/O family, the 1734-AENTR provides reliable EtherNet/IP connectivity with dual-network ports, making it suitable for topology options that enhance network resilience and layout flexibility in industrial automation environments.