1756-CNBR是一款用于在控制網(wǎng)網(wǎng)絡內(nèi)通信的接口模塊，被稱為控制網(wǎng)橋冗余。它與1756-CNB相同，但最大的區(qū)別是1756-CNBR有一個額外的ControlNet端口，它將支持冗余介質(zhì)。該模塊有兩個控制網(wǎng)絡BNC端口，而1756-CNB只有一個，盡管它們都有一個控制網(wǎng)絡RJ45端口。
1756-CNBR與非冗余模塊一樣，也與Logix5550控制器一起控制預定數(shù)據(jù)，并在ControlLogix底板和ControlNet網(wǎng)絡之間橋接非預定數(shù)據(jù)。模塊提供：遠程ControlLogix輸入輸出模塊適配器功能；用于配置與編程信息、操作員界面、上傳/下載的消息數(shù)據(jù)。模塊支持：輸入輸出網(wǎng)橋功能（比需要高速1756-CN2（R）的應用性能稍低的應用）；通過生產(chǎn)者/消費者標簽傳輸預定的數(shù)據(jù)；利用非預定數(shù)據(jù)等。

1756-L75K

The 1756-CNBR is an interface module for communication within a control network, known as control bridge redundancy. It is the same as the 1756-CNB, but the biggest 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.
The 1756-CNBR, like the non-redundant module, also controls the scheduled data with the Logix5550 controller and Bridges the unscheduled data between the ControlLogix mainboard and the ControlNet network. Module provides: remote ControlLogix input/output module adapter function; For configuration and programming information, operator interface, upload/download message data. Module support: input-output bridge function (slightly lower performance than applications requiring high-speed 1756-CN2 (R)); Transmission of predetermined data via producer/consumer labels; Use of unscheduled data, etc.

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