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- Allen-Bradley
- 1738-ACNR
- ArmorPoint ControlNet Network Adapter
- USA
- 112 x 72 x 65 mm
- 0.36 kg
- Xiamen, China
- New & In Stock
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All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
In industrial automation systems, reliable network communication is essential for coordinating distributed I/O modules and ensuring deterministic control performance. The Allen-Bradley 1738-ACNR ArmorPoint ControlNet Network Adapter is designed to provide high-speed, real-time ControlNet connectivity for ArmorPoint I/O systems.
This adapter enables modular distributed I/O architecture by linking field-level modules to a ControlNet network, ensuring synchronized data exchange between controllers and remote I/O stations. It is widely used in high-performance industrial control environments where communication reliability and determinism are critical.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen-Bradley |
| Model | 1738-ACNR |
| Product Type | ArmorPoint ControlNet Network Adapter |
| Communication Protocol | ControlNet |
| Network Type | Deterministic industrial network |
| Function | I/O network communication interface |
| Supported Systems | ArmorPoint I/O modules |
| Data Transfer | Real-time cyclic communication |
| Redundancy Support | Yes (network redundancy capable) |
| Dimensions | 112 × 72 × 65 mm |
| Weight | 0.36 kg |
| Mounting | DIN rail mounting |
| Application | Industrial automation systems |
| Environment | Industrial-grade |
| Reliability | High-availability communication design |
Function and Working Principle
The 1738-ACNR functions as a communication gateway between ArmorPoint I/O modules and a ControlNet network. It manages data exchange, synchronizes I/O updates, and ensures deterministic communication timing.
This enables:
Real-time deterministic network communication
Centralized control of distributed I/O modules
Synchronized data exchange between controllers and field devices
Efficient expansion of modular I/O systems
The adapter ensures stable and predictable communication performance in time-critical applications.
Role in Industrial Control Systems
The 1738-ACNR plays a key role in distributed control architectures, supporting:
Remote I/O network communication
Deterministic control system performance
Modular automation system expansion
High-speed industrial data exchange
It allows ArmorPoint systems to integrate seamlessly into ControlNet-based control infrastructures.
Industrial Applications
The Allen-Bradley 1738-ACNR is widely used in:
Manufacturing automation systems
Automotive production lines
Process control industries
Material handling systems
Packaging machinery
Large-scale distributed control systems
It is especially suitable for applications requiring deterministic and synchronized network communication.
Installation and System Integration
Proper installation ensures optimal performance:
Mounted on DIN rail inside control cabinets
Connected to ControlNet communication networks
Linked with ArmorPoint I/O modules
Configured via PLC engineering software
Requires proper network termination and addressing
Correct setup ensures stable and deterministic communication performance.
Compatible System Components
The 1738-ACNR typically works alongside:
Allen-Bradley ArmorPoint I/O modules
ControlNet communication infrastructure
ControlLogix PLC systems
ControlNet scanners and repeaters
Industrial sensors and actuators
These components together form a complete deterministic industrial control network.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| 1738-AENTR | Ethernet Adapter | EtherNet/IP communication | Modern networks |
| 1756-CN2R | ControlNet Module | Redundant ControlNet support | High-availability systems |
| 1794-ACN15 | FLEX I/O Adapter | ControlNet distributed I/O | Modular systems |
| 1734-AENTR | POINT I/O Adapter | Ethernet-based I/O | Compact systems |
| Siemens 6GK Fieldbus Modules | Network Adapter | Alternative industrial network | Multi-vendor systems |
Key Advantages
Deterministic ControlNet communication
Reliable real-time I/O synchronization
Supports modular ArmorPoint architecture
High stability in industrial environments
Efficient distributed control expansion
Suitable for continuous operation
Technical FAQs
What is the main function of the 1738-ACNR?
It connects ArmorPoint I/O modules to a ControlNet network for real-time industrial communication.
What makes ControlNet different from standard Ethernet?
ControlNet provides deterministic, time-synchronized communication for critical control applications.
Where is it typically used?
It is used in manufacturing, process control, and large-scale automation systems.
Conclusion
The Allen-Bradley 1738-ACNR ArmorPoint ControlNet Network Adapter is a high-performance communication module designed for deterministic industrial automation systems. Its ability to support real-time synchronized data exchange makes it ideal for mission-critical control environments.
For engineers and system integrators, it provides a reliable foundation for building scalable, modular, and high-speed ControlNet-based automation architectures.