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Product Information:A-B 1756-CN2R/B Communication Module
Product Description
The Allen-Bradley 1756-CN2R/B is a ControlLogix ControlNet Redundant Bridge. It is a communication module that provides redundant connectivity between ControlNet networks. The 1756-CN2R/B uses two separate ControlNet ports to connect to two separate ControlNet networks. If one of the ControlNet networks fails, the 1756-CN2R/B will automatically switch to the other ControlNet network to maintain communication.
Product Parameters
- Product type: ControlLogix ControlNet Redundant Bridge
- Part number: 1756-CN2R/B
- Number of ControlNet ports: 2
- ControlNet baud rate: 5 Mbps
- ControlNet cable type: Belden 9841 or equivalent
- ControlNet connector type: RJ-45
- Dimensions: 127.3 mm x 88.6 mm x 33.3 mm (5.01 in. x 3.49 in. x 1.31 in.)
- Weight: 0.5 kg (1.1 lb)
Usage Methods
The 1756-CN2R/B is typically used to provide redundant connectivity between a ControlLogix controller and a ControlNet network. It can also be used to provide redundant connectivity between two ControlNet networks.
To use the 1756-CN2R/B, simply connect it to two separate ControlNet networks using ControlNet cables. Then, configure the 1756-CN2R/B to use the desired ControlNet baud rate and ControlNet cable type.
Once the 1756-CN2R/B is configured, it will begin automatically monitoring the two ControlNet networks. If one of the ControlNet networks fails, the 1756-CN2R/B will automatically switch to the other ControlNet network to maintain communication.
Product Advantages
The Allen-Bradley 1756-CN2R/B offers a number of advantages, including:
- Redundancy: The 1756-CN2R/B provides redundant connectivity between ControlNet networks to ensure that communication is maintained even if one of the ControlNet networks fails.
- Performance: The 1756-CN2R/B offers high performance with a ControlNet baud rate of 5 Mbps.
- Reliability: The 1756-CN2R/B is a reliable communication module that is designed for use in industrial applications.
- Ease of use: The 1756-CN2R/B is easy to install and configure.
Applications
The Allen-Bradley 1756-CN2R/B can be used in a variety of applications, including:
- Industrial automation
- Manufacturing
- Process control
- Infrastructure
- Transportation
Conclusion
The Allen-Bradley 1756-CN2R/B is a ControlLogix ControlNet Redundant Bridge that provides a number of advantages, including redundancy, performance, reliability, and ease of use. It is a versatile communication module that can be used in a variety of applications.
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