NI PXIe-8388远程控制模块
品牌:NI
型号:NI PXIe-8388
产品说明:远程控制模块
NI PXIe-8388远程控制模块中文资料:
NI PXIe-8388远程控制模块有关底板特征的详细信息,请参见第2章。有三种不同的嵌入式CPU:型号311(IC693CPU311)、型号313(IC693C PU313)和型号323(IC693CPU323)。嵌入式CPU具有以下基本功能:ŶCPU类型不能更改。它焊接在底板的背板上。Ŷ它们不支持使用扩展或远程机架,因此嵌入式CPU底板不像模块化底板那样具有扩展连接器。这意味着如果您的应用程序需要10个以上的模块,则必须使用模块化CPU系统。Ŷ311和313型为5槽底板,323型为10槽底板。由于它们不需要插入式CPU模块,所有编号的插槽(包括插槽1)都可以用于I/O或选件模块。Ŷ内存备用电池位于电源模块中;因此,如果电源从底板上拔下,电池将与位于底板电路板上的存储器电路断开。NI PXIe-8388然而,背板电路板包含一个高值电容器,称为“超级电容器”,如果电源被移除或其电池被断开,该电容器可以存储足够的电荷以在短时间内维持存储器电路。请参阅第6章中的“超级电容器存储器备份”一节。Ŷ这些CPU没有时间(TOD)时钟。NI PXIe-8388
英文资料
Details about the baseplate features are located in Chapter 2. There are three different embedded CPUs: Model 311 (IC693CPU311), Model 313 (IC693CPU313), and Model 323 (IC693CPU323). The embedded CPUs have the following basic features: Ŷ The CPU type cannot be changed. It is soldered to the backplane board in the baseplate. Ŷ They do not support the use of Expansion or Remote racks, so an embedded CPU baseplate does not have an expansion connector like the modular baseplates do. This means that if you have an application that requires more than 10 modules, you will have to use a modular CPU system. Ŷ The models 311 and 313 are 5-slot baseplates, and the model 323 is a 10-slot baseplate. Since they do not require a plug-in CPU module, all numbered slots, including Slot 1, can be used for I/O or Option modules. Ŷ The memory back-up battery is located in the Power Supply module; so if the Power Supply is unplugged from the baseplate, the battery will be disconnected from the memory circuits, which are located on the backplane circuit board. However, the backplane circuit board contains a high value capacitor, called a ”super capacitor,” that can store enough charge to maintain the memory circuits for a short period of time if the Power Supply is removed or its battery is disconnected. See the section “Super Capacitor Memory Backup” in Chapter 6. Ŷ These CPUs do not have a time-of-day (TOD) clock.NI PXIe-8388
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