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Description
Technical Specifications
| Parameter Name | Value |
|---|---|
| Product Model | 1734-ADN |
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Product Type | POINT I/O DeviceNet Adapter Module |
| Communication Protocol | DeviceNet |
| I/O Module Capacity | Up to 63 modules (504 I/O points max)-5-6 |
| POINTBus Current | 1000 mA-6-10 |
| Field Side Power | 400 mA @ 24V DC (+20% – 28.8V DC)-6-10 |
| Input Voltage Range | 10…28.8V DC (nominal 24V DC)-6-10 |
| Power Consumption | 8.1W @ 24V-6-10 |
| Power Dissipation | 2.8W max @ 28.8V-6-10 |
| Inrush Current | 6A for 10 ms-6-10 |
| DeviceNet Communication Rates | 125K, 250K, 500K, and up to 1M baud (Autobaud)-6 |
| Operating Temperature | -20…55°C (-4…131°F)-1-10 |
| Mounting Type | DIN-rail-2-10 |
| Dimensions (H x W x D) | 76.2 x 54.9 x 133.4 mm (3.00 x 2.16 x 5.25 in.)-10 |
| Enclosure Type | Open-style (IP20)-10 |
Main Features and Advantages
Exceptional Scalability and Flexibility: The 1734-ADN supports up to 63 POINT I/O modules on a single assembly, providing a maximum of 504 I/O points per network node-3-5. This scalability allows users to implement distributed I/O architectures tailored to their specific requirements, reducing wiring costs and simplifying installation by mounting I/O modules close to field devices-7. The adapter’s support for 1, 2, and 4-point granularity ensures optimal resource utilization for applications that require “just enough” I/O-5.
Advanced Configuration and Diagnostic Capabilities: The 1734-ADN integrates seamlessly with RSNetWorx for DeviceNet software for streamlined configuration, monitoring, and diagnostics-7-10. It features Auto Device Replacement (ADR) technology, which automatically transfers configuration parameters from a removed device to a replacement module, minimizing downtime during maintenance-5-6. Channel-level electronic diagnostics and alarming capabilities provide real-time status monitoring, enabling rapid fault identification and resolution-5.
Robust Network Performance: The 1734-ADN resides on both the primary DeviceNet network and the POINTBus backplane, maintaining DeviceNet network protocol while offering comprehensive configuration capabilities-4. The Autobaud feature automatically detects the network baud rate and sets the adapter to a matching rate between 125Kbaud, 250Kbaud, 500Kbaud, and up to 1Mbaud-6. The adapter behaves as a slave device on the main network and as a master on the POINTBus backplane, ensuring efficient data management and communication-10.
Application Fields
The 1734-ADN is widely deployed in industries where DeviceNet remains a reliable standard for distributed control, including manufacturing, automotive production, food and beverage processing, and process industries-7. In automotive assembly plants, the 1734-ADN allows POINT I/O modules to be mounted directly adjacent to sensors and actuators on the production line, dramatically reducing wiring complexity and installation costs while enabling efficient real-time communication over DeviceNet-7. Food and beverage processing facilities benefit from the adapter’s robust design, which withstands the demanding environmental conditions typical in these applications.
In process industries such as chemical, petrochemical, and refining operations, the 1734-ADN interfaces effectively with distributed I/O devices, ensuring reliable communication for critical monitoring and control functions-7. The adapter’s support for integrated function modules and serial interfaces (RS232, 485, 422) makes it suitable for OEM machinery applications where custom automation equipment requires cost-effective distributed control-5. The 1734-ADN also supports ControlLogix redundancy on ControlNet architectures, providing enhanced system availability for mission-critical applications-5. With its ability to support channel-level CIP messaging and diagnostic software analysis, the 1734-ADN meets the rigorous demands of modern industrial automation environments where uptime and performance are paramount-5.
