11734-AENTRSERB

Overview of Allen-Bradley 1734-AENTR Series B POINT I/O Dual Port Ethernet Adapter

The Allen-Bradley 1734-AENTR Series B is a dual-port EtherNet/IP adapter module for POINT I/O systems. It enables reliable network connectivity for up to 63 I/O modules and supports Device Level Ring (DLR) topology, offering increased network resilience. This adapter supports 10/100 Mbps Ethernet communication speeds and uses external 24 V DC power input.

Key Features of 1734-AENTR Series B

• Dual Ethernet Ports: Supports ring, star, and tree topologies with embedded switch capability.
• Communication Rates: 10/100 Mbps, half or full duplex, auto-negotiation for optimal transmission.
• Expansion I/O Capacity: Up to 63 POINT I/O modules, 31 simultaneous direct connections.
• Backplane Output Current: 0.8 A maximum at 5 V DC; current budget must cover attached modules.
• Input Voltage: 24 V DC (range: 19.2–28.8 V DC), reverse polarity protected.
• Power Consumption: 10.4 W max at 28.8 V DC.
• Isolation Voltage: 50 V continuous between field side and backplane.
• Operating Temperature Range: -20 to 60°C (-4 to 140°F).
• Status Indicators: Power, adapter active, module status, network status, POINTBus status.
• Mounting: Vertically on DIN rail, open-style enclosure.
• Cabling: Standard Cat5/6 RJ45 Ethernet connectors.
• IP Address Assignment: Static, DHCP, or thumbwheel configuration.

Technical Specifications

Applications / Use Cases

The 1734-AENTR Series B adapter is used to network large numbers of POINT I/O modules in industrial automation, supporting Device Level Ring for high availability and fast recovery from network faults. It is ideal for process, packaging, water treatment, and distributed control systems requiring reliable Ethernet/IP communication.