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Can I Replace a Relay on My NI Switch Myself? I have one of NI’s PXI or SCXI switch modules. One of the relays on my card has reached the end of its lifetime or has been shorted. Can I replace this one relay myself or must I send in the entire card for repair? URL: http://digital.ni.com/public.nsf/allkb/04A00AD4A0560112862575E5006DBAB2

Taking FFTs with Data from NI-SCOPE Tasks I am programming my digitizer with the NI-SCOPE API, and trying to take a Fast Fourier Transform (FFT) of the data using a VI like FFT Spectrum.vi, or the Spectral Measurements Express VI. It seems as though the data coming from these reads will not wire to my FFT VIs. How can I take the FFT of the URL: http://digital.ni.com/public.nsf/allkb/5841DE79EAAAD66C862575B600790C71

Why is the Thermal EMF Specification for the General-Purpose Relays So Large? I am interested in purchasing a General-Purpose Relay module, perhaps the PXI-2568, PXI-2569, or PXI-2570. In the specifications page for these boards, it says they have a typical Thermal EMF specification of URL: http://digital.ni.com/public.nsf/allkb/5ACD52422665D50F862575B6005DEA72

Error -200180 When Making Connection on PXI-2530 I am trying to make a connection which involves a KCOM relay on the PXI-2530 in independent topology. I am receiving the following error.Error: -200180Measurements: Path between two switch channels is not available. URL: http://digital.ni.com/public.nsf/allkb/C0314AA1DCCF4ACC862575A7004D837B

USB Switching Options I would like to use Relays or Multiplexers with a USB Controller. What are my options? URL: http://digital.ni.com/public.nsf/allkb/1C484B658C6946D2862575A70063D82B

What Does the Maximum Carry Current Specification Mean for Switch Modules? Some switch modules specify a maximum carry current in addition to the maximum switching current. For example, the PXI-2503 specifies a maximum current of 1A per channel. Does this mean I can connect COM to my power supply and and draw 1A from 2 channels simultaneously? URL: http://digital.ni.com/public.nsf/allkb/9E362894519B62968625756F002AC9DE

开关模块最大的载流值什么意思？ 一些开关模块指定了除开关电流之外的一个参数载流，PXI-2503指定了一个最大1A每个通道的电流值，是否意味着我能够将电源和地相连，并且从2个通道同时获得1A的电流？ URL: http://digital.ni.com/public.nsf/allkb/337BCD904D11BE738625758900441335

What is the Calibration Cycle For a Switch Module? Problem: Do I have to periodically calibrate my switch module? Solution: No, there are no parts of a switch module that require periodic calibration. There is therefore no calibration cycle for these devices. URL: http://digital.ni.com/public.nsf/allkb/ABF5D6351AC2002F8625756E004E9BF7

What Is the Purpose of the TB_Interlock Line on a Switch? What is the TB_Interlock line that the NI-SWITCH Help file shows is on Pin 62 of the NI PXI-2566 switch? I would like to know what I can or should do with this signal. URL: http://digital.ni.com/public.nsf/allkb/581DECA3FF8F57728625755A0007E47B

Switch Executive 'Disconnect' or 'Disconnect All' Violates Exclusions with SPDT Relay Modules If I make an explicit call to disconnect COM from either NC or NO using the niSE Disconnect VI, NI Switch Executive updates the software connection state such that COM connects neither to NC nor NO, but when I test the hardware it has not disconnected from where I had it previously connected. URL: http://digital.ni.com/public.nsf/allkb/52DE58670391A435862575210003089B