Virtual Instrumentation using NI USB 6009
Hello,I am working on creating GUI for virtual Instrumentation of electrical systems using Qt for my final year project. For this purpose I am using NI USB 6009 DAQ. Can anyone help me regarding how I...
View Articlehow to draw a DAQmx diagram to generate pulse to rotate a stepper motor with...
I have lack of understanding of DAQmx, so I have hard time to make VI to rotate a stepper motor with USB-6001. I think I make base VI but I don't know how to set the DAQmx in my diagram. how many DAQ...
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Measurement and Automation Explorer Error
Hello. Greetings everyone.I encountered this problem while using MAX.How do I resolve it?I am using LabVIEW 2011 and MAX version 5.0.Thanks.
View ArticleTriggering and data streaming for two different PXI devices
Hello,Here are the details of the system I use:Chassis: NI PXIe - 1071Controller: NI PXIe-8820 Embedded controllerFirst Device: NI PXI - 5922 Oscilloscope ===>Dev1/ai0:1Second Device: NI PXI -...
View ArticleWhy does DAQmxGetDevAOVoltageRngs return 4 values ?
Hello, hello,when I query the range of an analog output card, I always get 4 values in return:DAQmxGetDevAOVoltageRngs(Device, data, Nb)data[0]=-10, data[1]=10 as it should be, but why is Nb=4 ?And for...
View ArticleDIGITAL CHANNEL EXPANSION
I am using multiple pxie-6368 cards and would like to either read or write data with a common task. I'm getting error that device doesn't support a common task. I can read AI across multiple cards with...
View ArticleVB-8012 niVB_Dig_Initialize function usage
Does using the below function configure digital line 6 as output or input ?niVB_Dig_Initialize(niVB_LibraryHandle libraryHandle, "VB8012-3104586/dig/6", true, instrumentHandle); Is my understanding...
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Measuring Noise of 24 volt power supply
I am trying to use a NI USB-6002 DAQ to measure the noise produced by a number of different 24 volt power supplies. The NI USB-6002 DAQ is only able to measure about +10 to -10 volts so I am thinking I...
View ArticleAccessing clocks across cDaq modules
I am trying to synchronize tasks across different cDaq modules. When I have done this on previous daqs (with a USB-6343) I have done this by choosing a master task and setting the other tasks' sample...
View ArticleDAQ Polynomial Scales - forward vs reverse coefficients
Does N.I. define forward coefficients only for analog inputs and reverse for analog outputs? According to the documentation, FORWARD coefficients are used to transfer pre-scaled values to scaled values...
View Articlehow to bumplessly switch between two control signals?
This may not be very closely related to labview or ni but I just wish I could get some insights here. I have a labview program which sends current signal through a ni usb device to control the speed of...
View ArticleHow to comunicate a Differencial Transmissor and a DAQ?
Hey guys, i have a transmissor PX5200-040WUDI (transmissor of differential pressure) and three DAQs, but, i don't know integrate/comunicate the both (DAQ and transmissor), the DAQs which i have here is...
View ArticleDifferent voltage measurements from various NI devices, why?
I'm getting stable, noise free, voltage readings from an NI-9219 but noisy readings of the same signal using PCI-6251 and USB-6221. Been fighting this problem for days. I'm about out of ideas. Please...
View ArticleLead-Free Control Plan
Does NI have a Lead-Free Control Plan created to GEIA-STD-0005? Searching manuals for lead-free returns multiple mentions in manuals that when replacing relay use SAC solder because it's a lead-free...
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LVDT measurment with NI 9237, No supported devices
Hello everybody, My task is to measure the displacement using NI 9237 module and the cDAQ9184.After cabling the LVDT sensor to the NI 9237 Module, I ve created a task using NI Max. My problem is that...
View ArticleHow to control SSRs using NI9264?
Hi, allI want to control 18 SSRs (CSW-2410) using 2 units of NI-9264.But, I could not output voltage correctly. For example, measured voltage is about 2.8V even though I connect NI-9264 to SSR and set...
View ArticlePCB Mountable Connector (NI-9202)
Hi NI,Could you direct me to a PCB mountable version of the 36-Pos Spring Terminal on the NI-9202?http://sine.ni.com/nips/cds/view/p/lang/en/nid/211272 We need to directly connect to the module via a...
View ArticleTDMS file play on analog channel DAQ 6353
Hi! I need to play an TDSM file on an aanalog channel on DAQExpress software.Does anyone know, where I can get started?
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