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為什麼我在使用我的DAQ裝置做類比輸入時會讀到飄移的值? 當我輸入一個電壓訊號給DAQ裝置的類比輸入, 我看到電壓在漂移. 為什麼我給的是一個固定的電壓值卻會發生這樣? URL: http://digital.ni.com/public.nsf/allkb/51553B5F4FC87E248625741F0036F9CB

Why do I get DAQmx Error 50412 for Finite or Continuous Acquisition with my PCI-MIO-16XE-50 Board? I am attempting to test my PCI-MIO-16XE-50 in Measurement and Automation Explorer (MAX) but I keep getting DAQmx Error 50412. I only get this error under Continuous Samples or N Samples acquisition, and not during 1 Sample (On Demand) or 1 Sample (HW Timed). I also see this URL: http://digital.ni.com/public.nsf/allkb/6D87B7A202301AC4862572ED00103FDC

Error -200474 With Digital Frequency Example VIs Modified for Continuous Acquisition I modified the Meas Dig Frequency-Low Freq 1 Ctr example VI to acquire continuously, and unless there is a signal with a frequency greater than 100Hz, I get Error -200474. What is wrong and how can I fix it? URL: http://digital.ni.com/public.nsf/allkb/4E017925BDF2DC2D862572E6007C9594

Building ELVIS 3.x Soft Front Panel Instruments and Instrument Launcher How do I build soft front panel instruments and instrument launcher for ELVIS 3.0 and later? URL: http://digital.ni.com/public.nsf/allkb/495B17EAF249092D862572C80075EE55

カウンタを使って外部からのパルスを分周する方法 カウンタを使って外部からのパルスを分周しようとしています。 どのようにしたらいいですか？ URL: http://digital.ni.com/public.nsf/allkb/7026CEFCF1A881F0862572AD00263588

ナショナルインスツルメンツのハードウェアとソフトウェアはWindows Vistaに対応していますか？ ナショナルインスツルメンツのハードウェアとソフトウェアはWindows Vistaに対応していますか？ URL: http://digital.ni.com/public.nsf/allkb/606D4B86BFEF128D862572AC001F5563

Can I Use an Analog Input for a Count Edges or Encoder Task Using DAQmx? I need to create a count edges or an encoder task but I do not have any available counters. Can I use an analog input (or resolver signal) to create a task for counting edges or for reading an encoder? URL: http://digital.ni.com/public.nsf/allkb/B472ABA1362F44328625729C0041A8B1

为什么我收到 -200609 或者 -200802 的错误？ 当尝试创建一个模拟输出的任务时，任务启动前在写入数据到 DAQmx Write 函数缓冲时，我收到 -200609 或者 -200802 的错误。 URL: http://digital.ni.com/public.nsf/allkb/1CF156D3DE7A05D548257221000BE62D

在使用NI-DAQmx时如何防止内存泄漏？ vi and DAQmx Clear Task.vi? KnowledgeBase 2H2G13BS : Placing a Call By Reference Node in a Loop Creates a Memory Leak KnowledgeBase 3FLFULK8 : Controls Property Node Leaks Memory KnowledgeBase 31T899KD: How is the DAQmx Buffer Size Allocated for a Finite or Continuous Acquisition? URL: http://digital.ni.com/public.nsf/allkb/495C5C5EE70929224825721F0023064E

NI产品是否兼容AMD's x86-64技术的Windows XP 64位？ 我考虑购买一台64位 AMD或Intel处理器的PC，安装新的64位Windows XP操作系统。NI的产品能否在这台电脑上正常工作？ URL: http://digital.ni.com/public.nsf/allkb/3BFDEEBE86BC2CEB4825720C00270C3A