1756-CNBR/E Communication interface module

We focus on sourcing the automation components necessary and scarce to keep manufacturing going. Regardless of year, scarcity or location, we will find and deliver the parts you need so that your facility can quickly resume operations.
If the product you need is not in stock, our multilingual service team will search the globe to find the part you need at the best price. We have also invested heavily in scarce parts.ominant product
Contact immediately
Sales Manager: Sunny

The Allen-Bradley 1756-CNBR, or Control Bridge Redundancy, is an interface module for communication within a control network. It is the same as the 1756-CNB, but the big difference is that the 1756-CNBR has an additional ControlNet port, which will support redundant media. The module has two control network BNC ports, while the 1756-CNB has only one, although they both have a control network RJ45 port.

Like non-redundant modules, the 1756-CNBR also controls scheduled data in conjunction with the Logix5550 controller and Bridges unscheduled data between the ControlLogix baseboard and the ControlNet network.

To prevent loss of communication when the shunt or trunk line is disconnected, redundant ControlNet media can be used. The only module you can use for this connection is 1756-CNBR.