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- Allen Bradley
- 1797-BCNR
- Flex Ex ControlNet Coaxial Barrier Module
- USA
- 100 x 70 x 90 mm
- 0.2 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
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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
In industrial automation, safe and reliable network communication is essential, especially in hazardous environments. The Allen Bradley 1797-BCNR Flex Ex ControlNet Coaxial Barrier Module is designed to provide secure and isolated communication over ControlNet networks in potentially explosive or hazardous areas.
This module protects network components and ensures reliable data transmission by isolating signals and preventing electrical faults from propagating across the ControlNet network. It plays a critical role in maintaining both operational safety and communication integrity in industrial systems.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen Bradley |
| Model | 1797-BCNR |
| Product Type | Flex Ex ControlNet Coaxial Barrier Module |
| Function | Network isolation and communication protection |
| Communication Protocol | ControlNet Coaxial |
| Dimensions | 100 × 70 × 90 mm |
| Weight | 0.2 kg |
| Mounting Type | Panel / DIN Rail Mountable |
| Isolation | Electrical isolation for hazardous environments |
| Operating Temperature | 0°C to 60°C |
| Environment | Industrial-grade, hazardous area compliant |
| Application | ControlNet network protection in hazardous areas |
Function and Working Principle
The 1797-BCNR operates by isolating ControlNet network segments in hazardous or potentially explosive environments. Key functions include:
- Provides electrical isolation between network segments
- Protects network components from faults and surges
- Maintains secure and reliable ControlNet communication
- Enables safe integration of devices in hazardous areas
By isolating and protecting network signals, this module ensures continuous, secure communication while meeting industrial safety requirements.
Role in Industrial Control Systems
This Flex Ex ControlNet Barrier module is essential for industrial automation systems by:
- Protecting network devices in hazardous environments
- Ensuring reliable communication over ControlNet coaxial networks
- Supporting safe operation in potentially explosive areas
- Enabling integration of remote I/O, controllers, and field devices while maintaining safety standards
It acts as a safeguard to prevent network faults from affecting other segments or equipment.
Industrial Applications
The Allen Bradley 1797-BCNR is commonly applied in:
- Hazardous area monitoring and control systems
- Chemical and petrochemical processing plants
- Oil and gas facilities
- Distributed control systems in explosive atmospheres
- Industrial automation networks requiring electrically isolated communication
Its compact and rugged design makes it ideal for reliable operation in harsh industrial and hazardous environments.
Installation and System Integration
Proper installation ensures optimal performance:
- Mounted on panels or DIN rails following manufacturer guidelines
- Connected to ControlNet coaxial network segments according to wiring standards
- Integrated into distributed control and hazardous area networks
- Ensure correct grounding, isolation, and adherence to hazardous area safety requirements
- Follow industrial safety and environmental standards
Correct installation ensures reliable network isolation and secure communication.
Compatible System Components
The 1797-BCNR typically integrates with:
- Allen Bradley Flex Ex I/O modules
- ControlNet network devices including controllers and hubs
- Field devices installed in hazardous areas
- Network termination and coaxial cable assemblies
Together, these components form a secure, isolated, and reliable ControlNet network in hazardous industrial environments.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| 1797-BCNR | ControlNet Barrier Module | Electrical isolation | Hazardous area networks |
| 1797-NBR | ControlNet Node Barrier Module | Compact isolation | Small-scale hazardous networks |
| 1797-BCN | ControlNet Coaxial Barrier | High reliability | Medium-demand hazardous networks |
| 1797-BN | Network Barrier Module | Flexible installation | General network protection |
Key Advantages
- Provides electrical isolation for hazardous area networks
- Ensures reliable communication over ControlNet coaxial networks
- Protects network devices from electrical faults and surges
- Compact and rugged industrial-grade construction
- Supports integration of hazardous area I/O modules and controllers
- Easy installation in panel or DIN rail setups
- Suitable for continuous operation in harsh industrial environments
Technical FAQs
What is the main function of the 1797-BCNR?
It isolates ControlNet network segments to protect devices and ensure reliable communication in hazardous areas.
Where is it typically used?
It is used in chemical, petrochemical, oil and gas, and other industrial environments with potential explosive atmospheres.
Does it provide electrical protection?
Yes, it provides isolation to prevent network faults and surges from affecting connected devices.
Is it suitable for compact installations?
Yes, its compact form factor allows installation in panels or DIN rail setups.
Conclusion
The Allen Bradley 1797-BCNR Flex Ex ControlNet Coaxial Barrier Module is a reliable and essential solution for network protection in hazardous industrial environments.
For engineers and system integrators, this module ensures secure, isolated, and continuous ControlNet communication while maintaining industrial safety standards.