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1756-CNBD 橋接模塊是用于將ControlLogix機架連接到ControlNet 網(wǎng)絡(luò)的接口模塊
Allen-Bradley 1756-CNB 或 ControlNet 橋接模塊是用于將 ControlLogix 機架連接到 ControlNet 網(wǎng)絡(luò)的接口模塊。與 Allen-Bradley 1756-CNBR 模塊相比，1756-CNB 用于標(biāo)準(zhǔn)、非冗余配置。如果用戶應(yīng)用程序每個通信模塊有 40 到 48 個 Logix 通信連接，則此模塊是完美的。它的通信速率為每秒 5 兆字節(jié)，并且有 99 個節(jié)點可用。1756-CNB 模塊處理 2 件事，即當(dāng)它與 Logix5550 控制器一起使用時，控制 I/O 數(shù)據(jù)，用于計劃數(shù)據(jù)和計劃外數(shù)據(jù)，在 ControlLogix 背板和 ControlNet 網(wǎng)絡(luò)之間橋接數(shù)據(jù)。確保路徑信息正確，以便正確路由它收到的消息。
64-CNB 模塊最多可支持 1756 個與其他 ControlNet 設(shè)備的雙向連接。它可以是計劃連接和未計劃連接的混合。但是，支持的連接數(shù)還取決于網(wǎng)絡(luò)配置。如果應(yīng)用程序需要更多連接，用戶可以添加另一個 1756-CNB 模塊，但他們必須確保在與第一個模塊相同的機箱和同一網(wǎng)絡(luò)中執(zhí)行此操作。它還可以為未連接的消息支持多達 20 個緩沖區(qū)。它還具有 2 個端口 – 1 個 ControlNet BNC 端口和 1 個 ControlNet RJ45 端口。用戶在安裝1756-CNB模塊時需要先設(shè)置模塊的節(jié)點地址開關(guān)。他們可以選擇從 01 到 99 的唯一節(jié)點地址。然后，用戶可以通過使用 1 組模塊將該模塊用作獨立控制模塊，或者通過使用相同的模塊對（合作伙伴）作為冗余控制設(shè)置。請注意，使用冗余控制時，節(jié)點地址交換機應(yīng)具有相同的節(jié)點地址。1756-CNB 在 5.1 伏直流電時的電流消耗為 970 毫安，如果電流消耗為 1 伏直流電，則為 7.24 毫安。其額定功耗為 5.14 瓦。
1756-CNB 是一種 ControlLogix 通信適配器，用于將任何 ControlLogix 機架連接到 ControlNet 數(shù)據(jù)高速公路。此模塊是單插槽模塊，集成了一 （1） 個用于非冗余介質(zhì)操作的 BNC 連接器和一 （1） 個 NAP（RJ-45 8 針帶屏蔽）的集成通信端口。
1756-CNBD 橋接模塊是用于將ControlLogix機架連接到ControlNet 網(wǎng)絡(luò)的接口模塊
The Allen-Bradley 1756-CNB or ControlNet Bridge module is an interface module used to connect the ControlLogix rack to the ControlNet network. Compared to the Allen-Bradley 1756-CNBR module, the 1756-CNB is used in a standard, non-redundant configuration. If the user application has 40 to 48 Logix communication connections per communication module, then this module is perfect. It has a communication rate of 5 megabytes per second and has 99 nodes available. The 1756-CNB module handles 2 things, namely when it is used with the Logix5550 controller, controlling I/O data, for planned and unplanned data, bridging data between the ControlLogix backplane and the ControlNet network. Make sure the path information is correct so that the messages it receives are correctly routed.
The 64-CNB module supports up to 1756 bidirectional connections with other ControlNet devices. It can be a mix of planned and unplanned connections. However, the number of connections supported also depends on the network configuration. If the application needs more connections, users can add another 1756-CNB module, but they must make sure to do so in the same chassis and the same network as the first module. It can also support up to 20 buffers for unconnected messages. It also has 2 ports – 1 ControlNet BNC port and 1 ControlNet RJ45 port. Before installing the 1756-CNB module, you need to set the node address switch of the module. They can choose unique node addresses from 01 to 99. The user can then use this module as an independent control module by using 1 set of modules, or as a redundant control setting by using the same pair of modules (partners). Note that when using redundant control, the node address switch should have the same node address. The 1756-CNB has a current consumption of 970 mA at 5.1 volts DC and 7.24 mA if the current consumption is 1 volt DC. Its power consumption rating is 5.14 watts.
The 1756-CNB is a ControlLogix communications adapter for connecting any ControlLogix rack to the ControlNet data highway. This module is a single-slot module that integrates one (1) BNC connector for non-redundant media operation and one (1) integrated communication port for NAP (RJ-45 8-pin tape shield).
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