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Onboard Device Memory Underflow When Using DaqComponent Example Code for an NI-DAQmx Non-regenerative Continuous Digital Output Task in Measurement Studio Support for Visual Studio 2005 When generating the user interface and source code for a DaqComponent that refers to a continuous digital output task with a Regeneration Mode set to 'Do not allow regeneration,' you may receive an error message when you run the task similar to: 'Measurements: Onboard device memory underflow. URL: http://digital.ni.com/public.nsf/allkb/D998B1DEB0F3C7198625732200518B42

NI-HSDIO Dynamic Generation and Acquisition Shipping Example Triggering I am developing an application based upon the NI-HSDIO shipping example 'Dynamic Generation and Acquisition-Source Synchronous.vi'. In this example, the generation session is configured to export the Data Active Event to PFI 1 to serve as a start trigger for the acquisition session. The example URL: http://digital.ni.com/public.nsf/allkb/F6BE8B5B5588B60C8625723C006A240F

NI-HSDIO Dynamic Generation and Acquisition 範例程式 我在開發一個程式，是由 NI-HSDIO 範例程式 "Dynamic Generation and Acquisition-Souce Synchronous.vi" 修改而來，在這個範例中，負責做輸出的裝置被設定成輸出 Data Active Event 給 PFI 1 當作其他擷取裝置的 start trigger，這代表使用者必須要外部接線從 PFI 1 到 PFI 2 ，擷取裝置 URL: http://digital.ni.com/public.nsf/allkb/E917633EB4FA484D862573BB0022F688

E系列DAQ卡在使用时出现10007的错误码 我在E系列卡使用Read from Digital Line或Write to Digital Line的函数时，出现'Error 10007 occurred at DIO port config'的错误。 URL: http://digital.ni.com/public.nsf/allkb/9EDB16F08F0389BF48257227000FED24

HSDIO 设备的外部时钟 我想要为我的 HSDIO 设备使用外部时钟进行采集以及产生数据，时钟频率可能不是板载时钟的整数分频。我应该做哪些工作？ URL: http://digital.ni.com/public.nsf/allkb/D422A749BAB8940D4825721F002BFFD9

使用NI-HSDIO设备会丢失第一个采样点 我正在生成一个信号，将时钟信号导出然后读回数据。如果我准备在数据激活后触发采集，然后选择在发生边沿的同时采集数据，所有的事情会按照预期的发生。然而，如果我在上升沿产生信号并且在下降沿采集，那么我会丢失第一个样点。 比如，如果我产 URL: http://digital.ni.com/public.nsf/allkb/51076DB3AF75F1C84825721800218AD7

Handling HSDIO Data Delays Greater Than 100% NI-HSDIO devices (654x, 655x, 656x) provide a property called Data Position.Delay to account for delays caused by driving data over a transmission line. However, the programmable delay has a maximum range of 100% of a sample clock cycle. How can a delay of greater than 100% URL: http://digital.ni.com/public.nsf/allkb/53BFD784329FF5BD86257210005D2004

Per Cycle Tristate Programming with NI-HSDIO How do I program my NI-HSDIO device to tristate on a per-channel, per-cycle basis? When I try to implement this in LabVIEW, I get an "Error -1074118585 occurred at niHSDIO Write Named Waveform (WDT).vi" URL: http://digital.ni.com/public.nsf/allkb/9F9C39A8548A01FE8625720D007330EF

對 NI-HSDIO 裝置設定每個 Cycle 的三態〈Tristate〉 我如何對我的 NI-HSDIO 裝置的每一個 channel ，每一個 cycle 設定 tristate？ 當我試著在 LabVIEW 中設定此動作，結果在 niHSDIO Write Named Waveform (WDT).vi 中發生了 1074118585 的錯誤。 URL: http://digital.ni.com/public.nsf/allkb/87A0189AC1DFBC1B862572A6004DD4C2

External Clocking for HSDIO Devices I would like to use an external clock to acquire and generate data on my HSDIO devices, at frequencies that may not be integer divisors of the onboard clock. What options do I have? URL: http://digital.ni.com/public.nsf/allkb/B36B9D1B2FC55CBF862571F9000072BA