Excellent PLC
Product Introduction
The Allen-Bradley 1734-ACNR I/O ControlNet Network Adapter is a high-performance communication module designed for ControlNet networks within Allen-Bradley distributed I/O systems.
This adapter enables Point I/O modules to communicate over ControlNet, providing real-time, deterministic network control for industrial automation applications. It serves as a bridge between Point I/O modules and ControlNet, ensuring fast, reliable, and synchronized data exchange between controllers and field devices.
The 1734-ACNR is engineered for industrial reliability, with robust overvoltage protection, thermal management, and isolation capabilities. Its compact design allows efficient installation in control panels while supporting multiple Point I/O modules, making it suitable for both new installations and system expansions.
Product Specifications
| Parameter | Specification |
|---|---|
| Product Series | Point I/O (Bul. 1734) |
| Component Type | ControlNet Network Adapter |
| Model | 1734-ACNR |
| Dimensions | 76.2 × 54.9 × 133.4 mm |
| Weight | 0.225 kg |
| Power Consumption | 10.2 W max @ 28.8 V DC |
| Power Dissipation | 5.0 W max @ 28.8 V |
| PointBus Output Current | 1 A max @ 5 V DC ±5% (4.75–5.25 V) |
| Input Overvoltage Protection | Reverse polarity protected |
| Thermal Dissipation | 16.9 BTU/hr max @ 28.8 V DC |
| Isolation Voltage | Tested to withstand 750 V AC for 60 s |
| Field Power Bus Nominal Voltage | 24 V DC |
| Supply Voltage Range | 10–28.8 V DC |
| Supply Current | 10 A maximum |
Applications
• ControlNet network integration, enabling distributed Point I/O modules to communicate with controllers in real-time
• Industrial automation systems, providing fast, deterministic data exchange for process and discrete control
• System expansion, allowing multiple Point I/O modules to be added without modifying network infrastructure
• High-speed machine control, ensuring synchronized I/O updates for complex machinery
• Retrofit or upgrade projects, bridging legacy Point I/O modules to ControlNet networks
• Critical industrial environments, supporting high reliability and electrical isolation for safe operation
Advantages
• Deterministic communication, supporting real-time data transfer across ControlNet networks
• Robust electrical protection, including reverse polarity and overvoltage safeguards
• Thermal management, low power dissipation and controlled heat output for reliable operation
• High isolation voltage, tested to withstand 750 V AC, protecting both field and network electronics
• Compact and modular design, minimizing panel space while supporting multiple I/O modules
• Wide voltage range, compatible with nominal 24 V DC systems and field power variations
• Seamless integration, enabling easy connection of Point I/O modules to ControlNet controllers
