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- Allen-Bradley
- 1738-AENTR
- ArmorPoint EtherNet/IP Adapter
- USA
- 123 x 67 x 112 mm
- 0.33 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
- COO
- 5
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Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Allen-Bradley 1738-AENTR ArmorPoint EtherNet/IP Adapter is a rugged industrial communication module designed to connect ArmorPoint I/O systems to EtherNet/IP networks. It serves as a high-performance distributed I/O adapter, enabling real-time communication between field devices and PLC systems in industrial automation environments.
This dual-port version supports network redundancy and flexible topologies, making it suitable for demanding machine-level and process automation applications where reliable communication and system uptime are critical.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen-Bradley |
| Model | 1738-AENTR |
| Product Type | ArmorPoint EtherNet/IP Adapter |
| Communication Protocol | EtherNet/IP |
| Network Ports | 2 Ethernet ports (embedded switch) |
| Power Supply | 24 V DC |
| Current Consumption | Approx. 30–400 mA (system dependent) |
| I/O Capacity | Supports multiple ArmorPoint I/O modules |
| Topology Support | Star, line, ring (DLR capable) |
| Mounting Type | On-machine / panel mounting |
| Protection Rating | IP65 / IP66 / IP67 |
| Operating Temperature | -20°C to +60°C |
| Dimensions | 123 × 67 × 112 mm |
| Weight | 0.33 kg |
| Housing | Rugged industrial enclosure |
Function and Working Principle
The 1738-AENTR acts as the central communication gateway for ArmorPoint I/O modules, connecting distributed field devices to an EtherNet/IP industrial network. It collects input data from connected modules and transmits it to PLC or control systems in real time, while also distributing output commands back to field devices.
The dual-port design includes an embedded switch, allowing flexible network configurations and supporting Device Level Ring (DLR) redundancy for improved network resilience.
This enables:
Reliable distributed I/O communication
High-speed industrial data exchange
Flexible network topology design
Reduced wiring complexity in control systems
Improved system redundancy and uptime
Role in Industrial Control Systems
The 1738-AENTR plays a key role in distributed automation systems, supporting:
EtherNet/IP industrial networks
Modular I/O expansion systems
Machine-level automation control
Factory-wide distributed control
Redundant network architectures
Real-time process monitoring
It helps improve system scalability, communication reliability, and installation flexibility.
Industrial Applications
The Allen-Bradley 1738-AENTR is widely used in:
Automotive manufacturing systems
Robotic production cells
Packaging machinery
Material handling systems
Conveyor automation
Process control systems
Factory automation networks
It is especially suitable for applications requiring network redundancy and scalable distributed I/O systems.
Installation and System Integration
Proper installation ensures stable and reliable operation:
Mounted directly on machines or control panels
Connected via EtherNet/IP network infrastructure
Powered by 24 V DC supply
Integrated with ArmorPoint I/O modules
Requires proper network configuration and addressing
Should follow industrial grounding and shielding practices
Correct setup ensures stable communication and high system reliability.
Compatible System Components
The 1738-AENTR typically works alongside:
Allen-Bradley ArmorPoint I/O modules
PLC systems (ControlLogix / CompactLogix)
EtherNet/IP industrial switches
Distributed automation systems
Industrial sensors and actuators
Machine control systems
These components form a complete distributed industrial automation architecture.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| 1738-AENT | Single-port ArmorPoint Adapter | Standard EtherNet/IP communication | Basic automation systems |
| 1734-AENTR | POINT I/O Adapter | Compact distributed I/O | Small control systems |
| 1732E ArmorBlock Series | Machine-mounted I/O | Rugged sealed design | Harsh environments |
| FLEX I/O EtherNet/IP Systems | Modular I/O platform | Flexible configuration | Industrial automation |
| ControlLogix Remote I/O Adapters | High-performance I/O system | Advanced control integration | Complex systems |
Key Advantages
Dual Ethernet ports for network redundancy
Supports EtherNet/IP industrial communication
Rugged IP67-rated industrial design
Flexible network topology support
Reduces wiring and installation complexity
Suitable for harsh industrial environments
Technical FAQs
What is the main function of the 1738-AENTR?
It connects ArmorPoint I/O modules to EtherNet/IP networks for distributed industrial automation systems.
Where is this adapter commonly used?
It is commonly used in manufacturing systems, machine automation, robotics, and distributed control applications.
Why is a dual-port EtherNet/IP adapter useful?
It enables network redundancy and supports ring or linear topologies for improved communication reliability.
Conclusion
The Allen-Bradley 1738-AENTR ArmorPoint EtherNet/IP Adapter is a robust and flexible industrial communication solution designed for distributed I/O systems. Its dual-port design, rugged construction, and EtherNet/IP connectivity make it ideal for demanding automation environments requiring high reliability and scalable architecture.
For engineers and system designers, it provides an effective way to improve network resilience, simplify system integration, and maintain stable industrial communication across distributed control systems.