Why Do I Receive Drift Readings when Using Analog Input on My DAQ Device?
When I feed a voltage source through an analog input channel on my DAQ device, I see the voltage drift. Why is this happening when I am feeding the device a constant signal?
URL: http://digital.ni.com/public.nsf/allkb/08384B7B2ADD360D862572F1003DEC29
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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
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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
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USB M Series Compatibility with SCC
Can my USB M Series device interface with an SCC chassis and modules?
URL: http://digital.ni.com/public.nsf/allkb/DF2F0ABD30A58ED5862572E20070DBA2
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PCI-6239 Analog Output Voltage
Why doesn't my PCI-6239 analog output voltage display any values in Measurement and Automation Explorer (MAX)?
URL: http://digital.ni.com/public.nsf/allkb/69F31F9674691889862572D800714836
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PCI-6239 模拟电压输出
NI Home This Document is not yet Rated Rate this Document PCI-6239 模拟电压输出 硬件: Multifunction DAQ (MIOM Series>>PCI-6239 问题: 为什么在MAX中PCI-6239的模拟电压输出没有任何显示值？ 解答: PCI-6239只有模拟电流输出，没有模拟电压输出。您只能在MAX中看到模拟电压输入（支持电流和电压输入）。有关PCI-6239的更多产品说明请查看以下链接。 相关链接: National Instruments: NI PCI-6239 附件: 报告日期: 05/11/2007
URL: http://digital.ni.com/public.nsf/allkb/3B082B91152C9BFE8625734B000C06B2
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PCI-6239 아날로그 출력 전압
왜 Measurement and Automation Explore (MAX)의 테스트 패널 에서 PCI-6239 의 아날로그 출력 전압의 값이 나오지 않습니까?
URL: http://digital.ni.com/public.nsf/allkb/632ABBD260167BCE862572F20060185B
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RTD, Thermistor, Thermocouple Comparison Chart
I am trying to decide what type of temperature sensor I should use in my application. What are the advantages/disadvantages of using an RTD (resistance temperature detectors), a thermocouple, or a thermistor sensor?
URL: http://digital.ni.com/public.nsf/allkb/C50FA55B3B2F85D9862572D00083350E
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USB-621x Panel Mounting Template
To panel mount your USB-621x device, refer to the instructions in the NI USB-621x User Manual. Without scaling or resizing, print the attached PDF file that corresponds with your paper format and your USB device. Use the printout as your mounting template.
URL: http://digital.ni.com/public.nsf/allkb/01382CF6D3D7C1B6862572CF00504BE4
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Is the Sheilding for M-Series Cables Connected to Any Ground Pins on the Connector?
My project requirements are very specific about how the shielding of cables in our system has to work. Is the shielding on standard M-Series DAQ cables connected to any pins on the connector (such as Ground)?
URL: http://digital.ni.com/public.nsf/allkb/BDC4F8E11194AE5B862572C000607317
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