Allen-Bradley 1756-CN2/B ControlNet Communication Bridge Module

The Allen-Bradley 1756-CN2/B ControlNet Communication Bridge Module is a robust and reliable solution for connecting Allen-Bradley ControlLogix systems to ControlNet networks. This high-performance communication module facilitates seamless data exchange between industrial automation devices, enabling real-time control and monitoring across your system. Designed for flexibility and scalability, the 1756-CN2/B ensures smooth integration of new devices into existing control networks, improving operational efficiency and minimizing downtime.

With its advanced diagnostics, high-speed data transmission, and ease of setup, this ControlNet communication bridge module is ideal for a wide range of industrial applications. Whether you need to expand a system, troubleshoot communication issues, or simply optimize your network's performance, the 1756-CN2/B offers the features and reliability you need for maximum productivity.

Functional Highlights / Key Benefits

• High-Speed Communication: The 1756-CN2/B ensures fast, reliable data exchange with high bandwidth, supporting up to 5 Mbps for seamless real-time communication across devices.

• Improved Network Integration: This module supports integration of ControlNet networks with Allen-Bradley’s ControlLogix system, providing easy and scalable expansion for existing control systems.

• Redundancy Support: The 1756-CN2/B supports ControlNet's built-in redundancy features, enhancing network reliability and minimizing potential disruptions during operation.

• Enhanced Diagnostics: Built-in diagnostic features allow operators to quickly identify and resolve network issues, minimizing downtime and maintenance costs.

• User-Friendly Configuration: The module is designed to be easy to configure, allowing engineers to set up communication without extensive training or complex processes.

• Industry Compatibility: Compatible with a wide range of Allen-Bradley and third-party devices, making it a versatile addition to many automation systems.

Technical Data / Specifications

• Model: Allen-Bradley 1756-CN2/B

• Network Type: ControlNet

• Communication Speed: Up to 5 Mbps

• Port Type: 1 x 10/100 Mbps Ethernet port, 1 x ControlNet port

• ControlLogix Compatibility: Fully compatible with 1756 ControlLogix chassis

• Power Requirements:

• 24V DC, 500 mA

• Mounting: Installed in 1756 ControlLogix chassis

• Enclosure Rating: IP20 (for standard industrial environments)

• Operating Temperature Range: 0°C to 60°C (32°F to 140°F)

• Storage Temperature Range: -40°C to 85°C (-40°F to 185°F)

• Dimensions:

• Height: 4.2 inches (106 mm)

• Width: 4.0 inches (102 mm)

• Depth: 2.0 inches (51 mm)

• Weight: 0.4 kg (0.88 lbs)

• Compliance:

• UL listed

• CE marked

• RoHS compliant

Typical Applications / System Integration / Use Cases
The Allen-Bradley 1756-CN2/B ControlNet Communication Bridge Module is an essential component for industries that rely on high-performance communication networks. Some common use cases and applications include:

• Industrial Automation: Used in manufacturing and production facilities to connect machinery, sensors, and controllers to a centralized control system, ensuring seamless operation and data flow.

• Building Automation: The module supports building automation systems that require the integration of HVAC, lighting, security, and other systems into a unified control network.

• Process Control: Ideal for applications in the chemical, pharmaceutical, and food & beverage industries, where real-time monitoring and control are crucial for maintaining product quality and safety.

• SCADA Systems: The 1756-CN2/B is used to integrate ControlNet networks into SCADA systems, providing fast and reliable data transfer for supervisory control and monitoring.

• Energy Management Systems: Provides connectivity for energy monitoring and management systems, ensuring real-time tracking of energy usage and optimization of power distribution.

• Network Expansion: Ideal for expanding or upgrading existing ControlNet networks by providing fast and reliable connections between new and legacy devices.

The 1756-CN2/B is a versatile and scalable solution, perfect for industries requiring robust communication and seamless integration of devices across control systems.

FAQ

Q: What is the communication speed of the 1756-CN2/B module?
A: The 1756-CN2/B offers a high-speed communication rate of up to 5 Mbps, ensuring fast data exchange between devices.

Q: Can the 1756-CN2/B be used for network expansion?
A: Yes, the 1756-CN2/B is ideal for expanding existing ControlNet networks, providing reliable connectivity for new devices.

Q: Is the 1756-CN2/B module compatible with other Allen-Bradley devices?
A: Yes, it integrates seamlessly with ControlLogix systems and is compatible with a wide range of Allen-Bradley and third-party devices.

Q: Does the 1756-CN2/B support network redundancy?
A: Yes, it supports ControlNet's built-in redundancy, ensuring network reliability and minimizing disruptions.

Q: What are the power requirements for the 1756-CN2/B module?
A: The module requires a 24V DC power supply with a current draw of 500 mA.