Specification Table
Manufacturer : Allen‑Bradley (Rockwell Automation)
Platform : ControlLogix
Part Number : 1756‑CNB
Series : D
Product Type : ControlNet Communication Module
Network Protocol : ControlNet
Backplane Current : 970 mA @ 5.1 VDC
1.7 mA @ 24 VDC
Mounting : 1756 ControlLogix chassis
Country of Origin : United States
Condition : USED
Quantity : 1 ControlNet module
Product Specifications
- Model Number: 1756-CNB/D
- Series: ControlNet
- Type: Bridge Module
- Communication Protocol: ControlNet
- Data Transfer Rate: 5 Mbps
- Node Capacity: Up to 99 nodes per network
- Backplane Current Draw: 1.2A at 5.1V DC
- Cable Type: Coaxial RG-6 quad-shielded
- Network Ports:
- ~ BNC connectors for redundant media connections
- ~ RJ-45 for network access
- Compatibility: Fully compatible with ControlLogix chassis and modules
- LED Indicators: Status indicators for module and network diagnostics
Key Features
- High-Speed Communication: Enables data transfer at 5 Mbps, ensuring efficient network operation.
- Redundant Media Support: Supports dual BNC connections for improved network reliability and fault tolerance.
- Wide Node Capacity: Connects up to 99 nodes, making it ideal for large, distributed systems.
- Real-Time Diagnostics: Built-in LED indicators provide real-time status updates for troubleshooting.
- Seamless Integration: Fully integrates with ControlLogix systems, simplifying setup and network management.
- Durable Design: Built to withstand industrial conditions, ensuring long-term reliability.
Applications
- Factory Automation: Ideal for high-speed communication in manufacturing environments with distributed control devices.
- Process Control: Supports real-time data exchange for large-scale process automation systems.
- Material Handling: Facilitates communication between control devices in conveyor systems, robotics, and sorting applications.
- Energy Systems: Ensures efficient communication in power generation, distribution, and renewable energy setups.
- Custom Networks: Suitable for custom automation systems requiring robust and reliable ControlNet communication.
Alternative model numbers include: 1756-CNB/C, 1756-CNBR, AB-1756CNB, ControlLogix-CNB, 1756CNB/E.Common misspellings include: 1756-CNB/D, 1756-CN8/D, 1756-CNB, Allen Bradley 1756CNBD, 1756-CNB/D.
