The Rockwell Automation 1756-CN2R ControlNet Module is a high-performance communication solution for industrial automation systems. Designed for ControlLogix platforms, it enables real-time data exchange between PLCs, drives, and I/O devices, enhancing operational efficiency and system reliability in demanding industrial environments.
Technical Specifications
| Manufacturer | Rockwell Automation |
| Model Number | 1756-CN2R |
| Series | ControlLogix |
| Data Rate | 125 Mbps |
| Ports | Two (2) ControlNet ports |
| Operating Temperature | -40°C to +85°C |
| Dimensions | 5.51 x 4.41 x 5.71 inches (140 x 112 x 145 mm) |
| Weight | 0.293 kg |


Industrial Applications
This ControlNet module is essential for:
• Real-time control systems in manufacturing plants
• High-speed machine-to-machine communication
• Process automation in oil/gas and chemical industries
• Integrated control in material handling systems
Compatible with ControlLogix 5550 and 5560 processors, and pairs seamlessly with 1756-CNB/D series communication modules.
Why Choose Apex Automation?
Founded in 2014, Apex Automation specializes in ready-to-ship industrial automation solutions. Our technical experts provide:
• Pre-sales configuration guidance
• 1-year comprehensive warranty
• Priority technical support via WhatsApp or email
• Custom sourcing for obsolete or hard-to-find components
Contact us for competitive pricing and availability. Can’t find your required model? Message our engineers directly for immediate assistance.

















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