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Programmatically Poll the Overvoltage Detection on an NI 446x I have an NI 446x connected to my input signals and reading data. In the Analog Input section of the NI Dynamic Signal Acquisition User Manual, it states that "you can programmatically poll the overload detection circuitry on a per channel basis to monitor for an overload condition." Where URL: http://digital.ni.com/public.nsf/allkb/7541FD92207D677F862574010060BD8D

NI-DAQmx Error -50103 When Performing AI and AO on an NI 4461 When I use the Multi-Device Sync-AI and AO-Shared Timebase & Trig-DSA shipping example or when I try to synchronize Analog Output (AO) and Analog Input (AI) on my NI 4461 DSA card I URL: http://digital.ni.com/public.nsf/allkb/8C7A7AF1A6DDD00086257399005B8513

动态信号采集（DSA）设备上的交流耦合能够移除多大的直流偏置？ 我有一个具有很大直流偏置的信号，并想用DSA设备进行测量。交流耦合电路能够成功移除的直流偏置有限制吗？我的信号的幅值小于2.8V，而相对于板卡地的直流偏置超过12V。我还能够在交流耦合使能的情况下测量这个信号吗？ URL: http://digital.ni.com/public.nsf/allkb/3CF5A29CC4F634E54825739100287DF2

NI 4498 Connector Diagram and Pinout I'm having difficulty locating the NI 4498 connector diagram with the accompanying pinout. Where can I find this? URL: http://digital.ni.com/public.nsf/allkb/0E96DC4546D1D092862573830072B519

Why Do 446x and 445x Series DSA Boards have a 42.4V Maximum Range? The 446x and 445x series DSA boards have a rated maximum voltage range of 42.4 volts. Why is the voltage greater compared to the 447x series (10V), and why is it a seemingly odd number? URL: http://digital.ni.com/public.nsf/allkb/F9FC54BB25A8BF9C8625732A004EFA66

Why Do 446x and 445x Series DSA Boards have a 42.4V Maximum Range? The 446x and 445x series DSA boards have a rated maximum voltage range of 42.4 volts. Why is the voltage greater compared to the 447x series (10V), and why is it a seemingly odd number? URL: http://digital.ni.com/public.nsf/allkb/DB66012D26B6CB378625732F00571C47

为什么446x和445x系列的DSA板卡可支持的最大电压范围是42.4V? 446x和445x系列的DSA板卡支持的最高电压为42.4v。 为什么和447x系列的10V比起来要高? 并且为什么看上去是这么一个奇怪的数据？ URL: http://digital.ni.com/public.nsf/allkb/4F7B886701A445398625735B0021CF8D

왜 446x나 445x 시리즈 DSA 보드에는 42.4V의 최대값 범위를 가지고 있습니까? 446x나 445x 시리즈 DSA 보드에는 42.4V의 최대값 범위를 가지고 있습니다. 447x 시리즈 보드는 10V임에 비해 왜 더 큰 값을 가질 뿐더러, 값 자체도 일반적이지 않은 것 같습니다. URL: http://digital.ni.com/public.nsf/allkb/3F4EA29863813EE88625733600226F0F

Can I Synchronize the NI 447x with NI-CAN Devices? Is it possible to synchronize a PXI-4472 and CAN device? There is an example for the synchronization of a PXI-446x device and a PXI-8461 Series 2 CAN card, but this example states it can only be used for 446x series. Why can’t I use a 447x series card instead? URL: http://digital.ni.com/public.nsf/allkb/C6510439AB1C83FF86257320000F874B

THD and THD+N Accuracy with Respect to Block Size I am performing a Total Harmonic Distortion plus Noise (THD+N) measurement using the Sound and Vibration Toolset in LabVIEW, and it appears that the measurement is more accurate if I take more samples (larger block size). What block size do I need in order to guarentee a certain degree of URL: http://digital.ni.com/public.nsf/allkb/E8837ACA91721DFB86257279007A8D7B