Allen-Bradley 1756-CNB ControlNet Bridge Module
The Allen-Bradley 1756-CNB ControlNet Bridge Module enables high-speed communication between ControlLogix systems and industrial networked devices. This robust interface module ensures reliable data exchange in critical automation environments using ControlNet protocol, supporting seamless integration within complex control architectures.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | Allen-Bradley |
| Model | 1756-CNB |
| Series | ControlLogix |
| Voltage Rating | 24 VDC |
| Communication Interface | ControlNet |
| Maximum Transmission Rate | 5 Mbps |
| Operating Temperature | -25°C to +60°C |
| Certification | UL, CE, RoHS |

Application Scenarios
This module excels in industrial automation systems requiring deterministic communication, including:
- Safety Instrumented Systems (SIS) redundancy networks
- DCS/PLC control backbone architectures
- Real-time process monitoring in power generation
- High-speed machine control in manufacturing
Compatible with ControlLogix 1756 series components including 1756-L7x controllers and 1756-ENxT Ethernet modules. Ideal for integration with PlantPAx DCS environments.
About Hong Kong Saul Electric Co., Ltd.
As Asia’s leading supplier of specialized industrial automation components with 15+ years of expertise, we maintain the region’s most comprehensive inventory of obsolete, niche-market, and hard-to-source parts across 40+ top brands. Certified partners for Allen-Bradley, Bentley Nevada, and TRICONEX systems.
Our Commitment
- Pre-sales Technical Support: Expert system integration guidance
- 1-Year Warranty: Comprehensive after-sales protection
- Global Sourcing: Specializing in discontinued components
For pricing and availability inquiries: Contact via WhatsApp or email 3931184055@qq.com. Can’t find your model? Our specialists will source it within 72 hours.




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