ABB NBIO-31 3BSE011337R1 I/O模块
品牌：ABB
型号：ABB NBIO-31 3BSE011337R1
产品说明：I/O模块
ABB NBIO-31 3BSE011337R1 I/O模块中文资料：
ABB NBIO-31 3BSE011337R1 I/O模块每个系统只允许一个CPU底板。如果一个系统中使用了多个基板，则其他基板必须是扩展型或远程型。Ŷ默认情况下，模块化CPU基板始终分配为机架号0。扩展基板（图3-6和3-7）\374互连扩展基板和CPU基板的电缆总长度不得超过50英尺（15米）。Ŷ扩展基板不能独立。它必须连接到具有CPU的系统。CPU可以位于PLC或配备有个人计算机接口卡的个人计算机中（参见第11章）。Ŷ每个系统允许的最大扩展底板数量取决于所使用的CPU类型。对于CPU 331、340和341，最大值为4。对于编号为350或更高的CPU，最大值为7。Ŷ每个扩展基板的右端都安装有一个25针D型母I/O总线扩展连接器，用于连接到其他基板。Ŷ有两个版本；ABB NBIO-31 3BSE011337R1扩展背板不支持以下智能选件模块：PCM、ADC、BEM330和CMM311。这些模块必须安装在CPU基板上。所有其他I/O和选件模块都可以安装在任何类型的机架中。Ŷ所有膨胀底板必须连接到公共接地（详见“安装”章节）。Ŷ扩展底板的物理尺寸相同，使用相同类型的电源，并支持与远程底板相同的I/O和选件模块。Ŷ每个扩展基板都有一个机架编号选择DIP开关。ABB NBIO-31 3BSE011337R1
英文资料
Only one CPU baseplate is allowed per system. If more than one baseplate is used in a system, the additional ones must be either Expansion or Remote types. Ŷ A modular CPU baseplate is always assigned, by default, Rack Number 0.Expansion Baseplates (Figures 3-6 and 3-7) Ŷ There can be no more than a total of 50 feet (15 meters) of cable interconnecting Expansion baseplates and the CPU baseplate. Ŷ An Expansion baseplate cannot stand alone. It must be connected to a system that has a CPU. The CPU can be in a PLC or in a Personal Computer that is equipped with a Personal Computer Interface Card (see Chapter 11). Ŷ Maximum number of Expansion baseplates allowed per system depends on the type of CPU they are used with. For CPUs 331, 340, and 341, the maximum is 4. For CPUs numbered 350 and higher, the maximum is 7. Ŷ Each Expansion baseplate has a 25-pin female D-type I/O Bus Expansion connector mounted at its right end for connection to other baseplates. Ŷ Available in two versions; 5-slot (IC693CHS398) and 10-slot (IC693CHS392) Ŷ An Expansion backplane does not support the following intelligent option modules: PCM, ADC, BEM330, and CMM311. These modules must be mounted in a CPU baseplate. All other I/O and option modules can be mounted in any type of rack. Ŷ All Expansion baseplates must be connected to a common ground (see the “Installation” chapter for details). Ŷ Expansion baseplates are the same physical size, use the same type power supplies, and support the same I/O and option modules as the Remote baseplates. Ŷ Each Expansion baseplate has a Rack Number Selection DIP switch.ABB NBIO-31 3BSE011337R1
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