Oscillation of NI9403 Outputs
Hi,we are using a cRIO9022 System equipped with 2 NI9403 and 3 NI9205 cards to control a selfbuilt instrument for atmospheric research.Now the following problem occur:All I/Os oft the 9403 cards are...
View ArticleCan NI-9425 DI be buffered
I have a NI-9425 module that I would like to sample at 1kHz with some other analog input modules that are currently being sampled at 1000 Samples/sec and 100 Samples/Interrupt. Can the NI-9425 module...
View ArticleNI 9402 Connectivity
Hello,I currently have a NI cDAQ 9178 chassis with a NI 9402 I/O module. I'm trying to connect the module to a variable frequency drive (VFD) to remotely start a pump. However, the pump VFD only has...
View ArticleConnect USB-6501 via VB6
Hi All, I'm new for development some software with NI. I find document many day but not clearly. Can you help me to show some document or example? How i can connect USB-6501 with VB6 via...
View ArticleMeasuring V and I at the output of the regulator
Hello all, I have a TPS62361B (http://www.ti.com/product/TPS62361B) switching regulator from texas instruments on my embedded system. The regulator does voltage scaling from 0.5V to 1.77V in 10mV...
View ArticleSeveral hardware timed tasks performing DaqMxWriteDigitalU32 simultaneously
Hello everybody, Until now, I had only one task which was hardware timed cadenced by ctr0. I could write samples using DaqMxWriteDigitalU32 and everything work fine.I want now to create another task...
View ArticleRotary encoder with PXI system
Hi,I'm using PXI-6225 to measure the rotary encoder. Rotary encoder:14bits SSI, grey code.Spec: http://www.roundssencoder.com/news_images/20150729020449903.pdf Hardware connection:-Connect the PFI12...
View ArticleCan create DAQmxCreateDIChan and DAQmxCreateDOChan in the same task.
Hi, Can we create DI and DO channel in the same task? Below is my coding but if used the same task it show error message. Error Msg = Task cannot contain a channel with the specified...
View ArticleAcquiring digital temperature signal with USB-6211
Dear NI-fellows, I own a USB-6211 DAQ-Module and I am planning to connect a digital temperature sensor, just to get accustomed to digital I/O. So I found the:Iduino DS18B20 sensor (SE029), which should...
View ArticleHigh Frequency sampling rate myrio
Greetings.I am a new user, I am stuck in high frquency sampling rate, (using myrio, high throughput, n samples to get an analogue input ranging 250khz to 500khz) the example provided in dircetory is...
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Export multiple signals from counter at the same time
I am trying to learn digital pulse generation with USB 6212 DAQ card. Following the NI examples, I have the following VI which generates a finite pulse train upon triggering of an external source. I...
View ArticlePCIe-6509 data transfer
Hello, I am trying to use the NI PCIe-6509 board to send/receive data on the I/O pins. I have created two tasks - rx and tx - each with one pin. I also set the rx task to listen for changes with the...
View ArticleConnect my PCIe 6534B to different electronics
Hello, I would like to connect my PCIe 6535B card to different elecronics via SMA or/and BNC cables. According the National Instrument technician, the card is not compatible with any BNC or SMA...
View ArticleNI 6509 rise / fall time
Hello,I would like to know the rise and fall time of digitals IOs on NI 6509 product.ThanksBest Regards
View ArticleVI characteristics of BJT using USB 6008
Hello, I am trying to plot the voltage versus current characteristics of a bipolar junction transistor using NI USB DAQ 6008. There is a requirement of two voltage supplies.Can you please suggest me...
View ArticleControlling a bipolar stepper motor with myrio
Hi, I'm trying to control a bipolar stepper motor with myrio. I'm getting familiar with the PMW and Digital out express VIs for the moment as they seem to do what I'm looking for. What I want is to...
View ArticleError:Class ff00:National Instruments Unknown device 7085
Dear Sir, I tried to install DAQMAX 8.0.2f0 on Linux 2.6.29.6 to get my NI PCI-6509 card work. But It shows the error message: Class ff00:National Instruments Unknown device 7085 Please help me.....
View ArticlePulse train generation using NI 9403
Hi all, I have to generate pulse trains using cDAQ 9178 and NI 9403 DIO module. I want to out pulse train on two lines (line 0 and line 1) after selecting lines on Front panel ( a boolean switch...
View ArticleRecording audio with USB-6212
Hi - I'm hoping someone in this forum will be able to answer this query. We have a USB-6212 BNC DAQ device that we are using to record audio data from multiple microphones. My question really is about...
View ArticleFrequency measurement off USB 6343
I have frequency measurement from a flowmeter, and I would like to acquire data on my DAQ system. Is it possible to do it through a digital I/O channel? Could you please advise a method, or example?
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