Allen-Bradley 1734-AENTR/B POINT I/O EtherNet/IP Adapter Module

Allen-Bradley 1734-AENTR/B POINT I/O EtherNet/IP Communication Adapter

The Allen-Bradley 1734-AENTR/B represents the Series B evolution of POINT I/O network connectivity, delivering robust EtherNet/IP communication with enhanced diagnostics and dual-port switching capability. This industrial-grade adapter bridges distributed I/O modules to your plant-wide Ethernet infrastructure, enabling real-time control and seamless integration with Logix controllers.

Key Technical Specifications

• Network Protocol: EtherNet/IP (CIP on Ethernet)
• Communication Ports: Dual RJ45 10/100 Mbps with integrated switch
• I/O Module Capacity: Up to 63 POINT I/O modules per adapter
• Data Transfer Rate: 10/100 Mbps auto-negotiation
• Connection Type: Class 1 (I/O) and Class 3 (explicit messaging)
• Status Indicators: Module status, network activity, power LED
• Operating Temperature: 0 to 60°C (32 to 140°F)
• Conformal Coating: Available for harsh environments
• Power Consumption: 2.5W from backplane
• Certifications: UL, cUL, CE, ATEX, IECEx compliant

Industrial Application Scenarios

Deploy the 1734-AENTR/B across manufacturing environments requiring distributed control architecture: automotive assembly lines with zone-based I/O distribution, food processing facilities demanding washdown-rated installations, pharmaceutical clean rooms with validated network topologies, or material handling systems spanning multiple conveyors. The adapter excels in machine builder applications, packaging equipment OEM panels, water treatment SCADA networks, and building automation integration projects where EtherNet/IP standardization reduces engineering complexity.

Network Integration & Configuration

Configure the adapter using RSNetWorx for EtherNet/IP or directly through Studio 5000 Logix Designer software. The dual-port design supports linear, star, or Device Level Ring (DLR) topologies without external switches, reducing hardware costs and cabinet space. Combine with I/O modules like the 1734-OE2V analog output, 1734-IK thermocouple input, or 1734-OW4 relay output to build flexible control solutions. The Series B firmware provides enhanced web server diagnostics, SNMP support, and improved fault isolation compared to earlier revisions.

Frequently Asked Questions

Q: What's the difference between 1734-AENTR and 1734-AENTR/B?
A: The /B suffix indicates Series B firmware with enhanced diagnostics, improved web interface, faster boot times, and support for additional CIP features. Series B is the current production version with extended lifecycle support.

Q: Can I mix different I/O module types on one adapter?
A: Yes, POINT I/O architecture allows mixing analog, digital, specialty, and safety modules on a single adapter up to the 63-module limit and power budget constraints.

Q: Does this adapter support Device Level Ring topology?
A: Yes, the dual-port design fully supports DLR for network redundancy. Configure DLR through RSNetWorx or Studio 5000 to enable automatic fault recovery with sub-second switchover times.

Q: What controllers are compatible with this adapter?
A: Compatible with all Allen-Bradley Logix platforms including ControlLogix, CompactLogix, GuardLogix, and SoftLogix controllers running RSLogix 5000 or Studio 5000 software version 16 or later.

Warranty & Technical Support

Each 1734-AENTR/B adapter is backed by a comprehensive 12-month manufacturer warranty covering defects in materials and workmanship. Our technical team provides network configuration assistance, troubleshooting support, and firmware update guidance to ensure optimal system performance and minimal downtime.

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