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- Allen Bradley
- 1768-CNB
- CompactLogix ControlNet Bridging Module
- USA
- 132 x 56.7 x 105.1 mm
- 0.26 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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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 1768-CNB is a CompactLogix ControlNet Bridging Module designed to integrate ControlNet networks with CompactLogix controllers. It enables seamless communication between multiple industrial control devices, ensuring reliable data exchange, network segmentation, and enhanced system scalability. This module is ideal for applications requiring high-speed, deterministic communication across distributed automation systems.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen Bradley (Rockwell Automation) |
| Model Number | 1768-CNB |
| Product Type | CompactLogix ControlNet Bridging Module |
| Function | ControlNet network bridging |
| Dimensions (L x W x H) | 132 × 56.7 × 105.1 mm |
| Weight | 0.26 kg |
| Communication Protocol | ControlNet |
| Network Connections | Dual-port for daisy-chaining or network segmentation |
| Mounting | Panel or DIN rail |
| Power Supply | 24 V DC |
| Environment | Industrial-grade |
| Data Rate | Up to 5 Mbps |
| Status Indicators | LEDs for network and module status |
Function and Working Principle
The 1768-CNB functions as a bridging module to link CompactLogix controllers with ControlNet networks. Its primary functions include:
- Bridges multiple ControlNet segments to enable communication between controllers
- Provides deterministic and high-speed data transmission
- Ensures network integrity and synchronization
- Offers diagnostics and status monitoring via LEDs
By connecting ControlNet devices to CompactLogix controllers, it allows seamless integration of distributed systems into a unified automation network.
Role in Industrial Control Systems
The 1768-CNB plays a critical role in CompactLogix automation networks:
- Connects ControlNet networks to CompactLogix controllers
- Enables communication between geographically distributed devices
- Maintains deterministic data exchange for real-time control
- Facilitates system expansion and modular automation design
Industrial Applications
The Allen Bradley 1768-CNB is commonly used in:
- Distributed control systems in manufacturing plants
- Process automation in chemical and food processing industries
- Packaging, material handling, and assembly line automation
- Remote monitoring and control systems
- Complex industrial networks requiring bridging between ControlNet and CompactLogix
Its robust design ensures reliable operation in industrial environments with high data integrity.
Installation and System Integration
For optimal performance:
- Mount in a control cabinet or on a DIN rail according to layout
- Connect ControlNet cables to the module ports for network integration
- Provide 24 V DC power supply per specifications
- Monitor module and network status via built-in LEDs
- Configure through RSLogix 5000/Studio 5000 for seamless network integration
Proper installation ensures reliable network bridging and deterministic communication.
Compatible System Components
The 1768-CNB works seamlessly with:
- CompactLogix controllers (1768-Lx series)
- ControlNet I/O modules and adapters
- Remote I/O devices
- Human-machine interfaces (HMIs) and supervisory systems
- Ethernet/IP network devices (via compatible bridging modules)
These components form a scalable and robust industrial communication network.
Recommended Alternative Models
| Model Number | Type | Key Feature / Advantage | Application |
|---|---|---|---|
| 1768-CNB | ControlNet Bridging Module | Standard bridging with CompactLogix | Distributed systems |
| 1768-CNBN | Advanced Bridging Module | Enhanced diagnostics and monitoring | Complex networks |
| 1768-L4x | CompactLogix Controller | Integrated ControlNet support | Small to medium automation |
| 1756-CNB | ControlNet Bridge for ControlLogix | High-performance bridging | Large-scale automation |
Key Advantages
- Seamless bridging between ControlNet networks and CompactLogix controllers
- High-speed, deterministic communication for real-time control
- Integrated diagnostics and status monitoring via LEDs
- Supports modular and scalable automation system design
- Industrial-grade construction suitable for continuous operation
Technical FAQs
Q1: What is the main function of the 1768-CNB?
A1: It serves as a ControlNet bridging module, connecting CompactLogix controllers with ControlNet networks to enable deterministic communication.
Q2: Can it support multiple ControlNet segments?
A2: Yes, it provides dual ports for network daisy-chaining or segment bridging.
Q3: Is it compatible with CompactLogix controllers?
A3: Yes, it integrates directly with 1768-Lx series CompactLogix controllers for seamless automation networking.
Conclusion
The Allen Bradley 1768-CNB CompactLogix ControlNet Bridging Module is an essential component for industrial automation networks requiring high-speed, deterministic communication. Its bridging capabilities, diagnostics, and robust construction make it ideal for distributed control systems, ensuring reliable and scalable automation solutions.