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Earth Grounding for Test and Measurement Devices How do I ensure my test and measurement device is properly grounded? URL: http://digital.ni.com/public.nsf/allkb/4A441BC4E49541F4862573A000789203

在带缓冲的事件边沿计数仅仅在计数值改变时才写进缓冲区 在M 系列板卡中，带缓冲的事件边沿计数仅仅在计数值改变时才向缓冲区中写数。如果我想对同样的计数值多次读取，我仅仅只能接收到第一次的值，其他读数均返回为空。但在 E 系列数据采集卡上是可以这样做的。 URL: http://digital.ni.com/public.nsf/allkb/39568E1A985033A048257393001F8181

DAQmxでアナログトリガソースとしてチャンネルを設定できないのはどうしてなのでしょうか。 アナログトリガをアナログ入力チャンネルに設定するとエラー-200265が起きてしまいます。 URL: http://digital.ni.com/public.nsf/allkb/CFCA8CE94D9E06A686257384000F620A

Why Does My Specified Channel Not Work as an Analog Trigger Source in DAQmx? I have configured my analog trigger to trigger off of one of my device's analog input channels, but I receive DAQmx error -200265. URL: http://digital.ni.com/public.nsf/allkb/BEBB10D02D72798A8625736B0076B09A

Unexpected Delay When Using DAQmx Analog Start Trigger When I use a DAQmx analog edge start trigger with an M Series DAQ device, my program appears to last 250-300ms longer than when I do not use an analog edge start trigger. Why is this happening, and is there anything that I can do to get around it? URL: http://digital.ni.com/public.nsf/allkb/AF8AA09A3323B0B38625734F00496E02

Where Can I Find Dimensional Drawings for National Instruments Products I have some National Instruments hardware and want to know if there are dimensional drawings available for this device. URL: http://digital.ni.com/public.nsf/allkb/6353EAAD25BE4BDF8625734D006D02CE

Can I Use Different Sample Clocks for Correlated DI and DO? On M-Series and CompactDAQ multifunction data acquisition boards, both Digital Input (DI) and Digital Output (DO) tasks can be correlated to an external signal. Can I use a different external signal for the DI and DO tasks? URL: http://digital.ni.com/public.nsf/allkb/79608CDF0C0D28AA862573400042D4F8

我可以在 Correlated DI/DO 使用不同的 Sample Clock 嗎？ M 系列與 CompactDAQ 多功能資料擷取卡的數位輸入〈DI〉與數位輸出〈DO〉task 都可以將 sample clock 設定與外接 clock 信號相關聯〈correlated〉。我可以為 DI 與 DO 設定不同的外接 clock 信號嗎？ URL: http://digital.ni.com/public.nsf/allkb/4A749CBBF015DF3E8625734900388364

Decreased Counter Measurement Resolution With Digital Filtering Why does my counter resolution decrease when I use a digital filter on a counter input task with an NI M-Series or TIO device? URL: http://digital.ni.com/public.nsf/allkb/176C93DAEB2FD1798625733A004D295D

将数字滤波器设为有效的时候，计数器返回了不正确的测量值 当我在使用NI M系列板卡或者TIO板卡进行计数器输入任务的时候，使用了数字滤波器。为什么计数器的测量值不正确呢？ URL: http://digital.ni.com/public.nsf/allkb/378B112E4E57EC63862573C90049ED22