PXI-8840 NI PXI控制器采用2.6 GHz四核处理器

这PXIe国家仪器公司-8840(零件号:785782-01, 785782-04, 785782-33, 784007-04, 785546-01, 784007-33，以及155186B-012L)是一个PXI控制器采用2.6 GHz四核处理器。这镍PXIe-8840四核控制器整合外部SMB关联，用作触发信息、输出或看门狗定时器。外部SMB可用于将触发和定时信号传入和传出框架中的PXI触发总线。该型号配备英特尔i5-4400E处理器、2个带2个USB端口的千兆以太网、4个USB 2.0端口、1个ExpressCard(可选)、2个RS-232串行端口、ROM内存和硬盘诊断。该设备需要1个系统插槽和3个控制器扩展槽才能运行。它的带宽为2gb/s或8 GB/s。

这PXIe 8840使用与LabVIEW、LabWindows/CVI或Measurement Studio等软件包兼容的NI-DAQmx驱动软件运行。为了保证稳定的活动，无论主机是否中断或重启，插入的LabVIEW实时应用程序都会持续运行。自从PXIe-8840 RT使用专用电源在不同的机箱中保持运行，用户可以完全关闭主机，而不会干扰连续的程序。

借助这种模式，用户可以将扩展的温度和日复一日的活动用于需要每周7天、每天24小时持续执行任务的应用程序，尽管硬盘是针对日复一日的任务进行评估的。标准形式的硬盘美国国家仪器公司PXIe-8840控制器一周五天，每天八个小时。此外，每天每分钟的任务应用程序都可能使硬盘处于高负载周期(硬盘支持的最大吞吐量水平)。在更宽的温度和每天每分钟的任务再现中，硬盘的容量限制为80 GB。

四宽3U PXI快速模块重2.91磅。它的推荐工作温度范围为5°C至50°C，储存温度范围为-40°C至65°C。

PXI-8840

The National Instruments PXIe-8840 (Part Numbers: 785782-01, 785782-04, 785782-33, 784007-04, 785546-01, 784007-33, and 155186B-012L) is a PXI Controller with a 2.6 GHz Quad-Core Processor. The NI PXIe-8840 Quad-Core Controller incorporates an outside SMB association for use as a trigger information, output or watchdog timer. The outer SMB can be used to pass trigger and timing signals into and out of the PXI trigger bus in a framework. This model has an Intel i5-4400E processor, 2 Gigabit Ethernet with 2 USB ports, 4 USB 2.0 ports, an ExpressCard (optional), 2 RS-232 serial ports, In-ROM memory, and hard drive diagnostics. The device requires 1 system slot and 3 controller expansion slots to operate. It has a bandwidth of 2 or 8 GB/s.

The PXIe 8840 is run using the NI-DAQmx driver software which is compatible with software packages like LabVIEW, LabWindows/CVI or Measurement Studio. To guarantee solid activity, inserted LabVIEW Real-Time applications keep on running regardless of whether the host PC is interrupted or rebooted. Since the PXIe-8840 RT keeps running in a different chassis with a dedicated power supply, the user can close the host PC completely without interfering with the continuous program.

With this model, the user can utilize the expanded temperature and day in and day out activity for applications that require persistent tasks for up to 24 hours every day, seven days a week, despite the fact that the hard drive is appraised for day in and day out tasks. The hard drive in the standard form of the National Instruments PXIe-8840 Controller is intended to be fueled on for eight hours per day, five days a week. Furthermore, every minute of every day task applications may subject the hard drive to a high-obligation cycle (the level of the most extreme supported throughput of the hard drive). The hard drive in the broadened temperature and every minute of every day task rendition has a limit of 80 GB.