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AB 1756-CNBR ControlLogix Redundant Communication Module

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The Allen-Bradley 1756-CNBR is a redundant ControlLogix communication module designed for high-reliability industrial automation systems, featuring dual channels for enhanced system safety and efficiency.

Model Type:Redundant

Number of Channels:2

Current Rating:Drawn: 970 MA At 5.1 VDC, 1.7 MA At 24 VDC

Isolation:30 V (Continuous)

Communication Protocol:ControlNet A/B To Backplane, ControlNet A To Controlnet B

Enclosure:Open Type

RfI Suppression:Radiated: 10 V/M With 1 KHZ Sine-Wave 80% AM From 80 – 2000 MHZ, 10 V/M With 200 HZ 50% Pulse 100% AM At 900

Temperature Rating:0 – 60 DEG C

Power Dissipation:5.1 W

Environmental Conditions:5 – 95% Non-Condensing Relative Humidity

Vibration:2 G

Shock:30 G

    The Allen-Bradley 1756-CNBR ControlLogix Communication Module is designed to enhance system reliability through its redundant design, ensuring continuous operation even under unexpected failures. It supports dual ControlNet connections for increased system flexibility and robust data exchange capabilities.

    This module is equipped with high-current and voltage ratings, enabling it to handle demanding industrial environments with precision. Its continuous isolation feature ensures data integrity across networks, making it ideal for applications requiring high levels of data security and accuracy.

    Featuring an open type enclosure, the 1756-CNBR facilitates easy installation and maintenance without compromising on environmental protection. The integrated RFI suppression technology mitigates interference from external sources, guaranteeing stable communication performance.

    Suitable for a wide range of industrial applications, this communication module seamlessly integrates with ControlLogix systems, facilitating efficient data management and process control. Its compatibility with ControlNet protocols ensures seamless interoperability within complex industrial networks.

    Designed with durability and reliability in mind, the Allen-Bradley 1756-CNBR Communication Module is a testament to Allen-Bradley’s commitment to providing high-quality industrial solutions. Its advanced features and robust construction make it a preferred choice for modern industrial automation projects.

1756-CNBR ControlLogix Communication Module




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      Shenzhen Changxin Automation Equipment Co., Ltd. is committed to becoming a leading supplier and wholesaler of industrial automation products in the international market. We focus on providing one-stop industrial automation product supply chain services for military enterprises, power plants, oil and gas, automobile manufacturers, railways, petrochemicals and other industries. As a professional supplier of industrial products, we cover PLC, DCS, safety barriers, sensors and switches, low-voltage power distribution, valve positioners, control cabinets, inverters, industrial connections, actuator control boards, industrial communications, I/A & I/O systems, instruments, solenoid valves, combustion control, electronic components and other products. Our business scope includes various well-known brands of industrial automation engineering equipment, spare parts and system integration. Our purpose is to provide customers with reliable and feasible product solutions, and always adhere to the principles of customer first, honest management, mutual benefit and win-win.

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      Perfect after-sales service: We provide perfect after-sales service and one-year warranty.

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