Description
Allen-Bradley 1756-CNBR ControlNet Bridge Module
Got a client last month asking for help connecting two separate ControlNet networks in their oil refinery. Turns out the 1756-CNBR was exactly what they needed – bridges those networks seamlessly while maintaining rock-solid data integrity. This ControlLogix module isn’t just about basic connectivity; it’s built to handle the vibration and temperature extremes you’d find in heavy industrial environments.
| Specification | Details |
|---|---|
| Model | 1756-CNBR |
| Ports | Dual ControlNet ports |
| Voltage | 30V isolation |
| Power | 5.5W max dissipation |
| Dimensions | 5.51″ x 4.41″ x 5.71″ |
| Weight | 0.293kg |
Been seeing this module work great in chemical plants where they need redundant network paths. One customer in Shanghai’s power plant actually used it to bridge their legacy ControlNet with new EtherNet/IP systems. It plays nice with 1756-L71 controllers and works alongside CN2R modules for those hybrid network setups. The compact size makes it perfect for retrofitting into existing control cabinets without needing cabinet modifications.
Guizhou Yuanmiao Automation Equipment Co., Ltd. keeps these in stock with full warranty. We’ve got them priced via WhatsApp at 20-30% below OEM quotes. Need to check compatibility with your 1756-CN2R nodes? Drop me a line with your system config and I’ll help verify specs. 12-month warranty included, and we’ll ship test reports with each unit.
Yezi | Industrial Automation Specialist
Guizhou Yuanmiao Automation Equipment Co., Ltd.
WhatsApp: +86 153-3953-7795 | Email
Over 10 years helping factories keep production lines running with genuine Rockwell parts
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