I am getting 89132 while using 6602
Hi, I am using daqmx utility for Linux for generating pulse train on all the channels.When I am generating a square wave on ctro and ctr1, I am not getting any error. After I tried to generate the same...
View ArticleCount the whole time off a while loop
HiI would like to measure acquisition data in a specified amount off time labview. It's for an application where I can choose between a number of measures or measures in a specified time.Please help...
View Articleusing internal clock
Hican you use an internal clock to controle a while loop. This is for taking measures in a period of time. The measures are random so i can't use a counter that counts the iterations, the iterations...
View ArticleWhat is error 50808
Hi,I have a vi that monitors two encoders by measuring PERIOD and then sends updated serial commands to two motor controllers in a WHILE loop structure. It takes the period values, does some simple...
View Articlecan't get IRIG on MAX
I have a PCI-6682H card in slot 2 of a PXIe-1075 chassis. MAX has no problem seeing the card and running the self test. But the test panel cannot find the IRIG time reference. It will only display...
View ArticleSetting 6250 counter threshold
I have a power supply that provides a voltage signal that is proportional to the current draw. I need to detect a short current spike of around 70 amps. The baseline voltage varies from .2 to around...
View ArticleError -200685 DAQmx Write Counter Frequency
I have to generate 4 finite pulse trains with Counter Output and a X-series board (NI PCIe-6321). I know that with X-series boards only one counter is used to generate finite pulse train. I use LabVIEW...
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two counters, large range frequency measurement in fpga
Hello NI-community, I'm trying to implement the "Measure Time of Known Number of Cycles" in FPGA (for explanation see http://www.ni.com/white-paper/3619/en#toc3 ). I'm using the NI cRIO-9074 chassis...
View ArticleMultivibrator CD4047BC
Hi! I'm new into Multism. I need to add in my circuit a multivibrator CD4047BC , but I can;t find it although I have the latest update. Can anyone guide me a bit?Thanks!
View ArticleConnect optical encoder with ni usb 6221
Hi, I am trying to connect EM1 incremental quadrature encoder with digital i/o pin outs of NI USB 6221. I want to connect channels A and B, power and ground. I have already connected Channel A with pin...
View Article6601 sample and hold
Hi, I have a probe set in quadrature count mode. I have it connected to an SCB-68, which is in turn connected to a PCI-6601 card. I am using a C program to read the counter values from this probe. I...
View ArticleThis should be very simple...
using the usb 9171 chassis and a ni-9411 module and Labview 2012I have one reflective optical reader wired to the 9411.this is mounted to the side of a conveyor bed to detect boxes passing by I've been...
View ArticleTiming latency
We're trying to get accurate (ms level) measurements from one pre-processed analog signal, one (python) program performing some processing, and a post-processed analog signal. Currently we have the two...
View ArticleAuto stop at Nth continuous square cycles whose amplitude exceeds a threshold
HI all, I am getting high freq Sqaure waveforms into my DAQ card. The waveform starts at low amplitude but will undergo a jump that are of concern, I'd like to stop running LabView automatically when...
View ArticleConnect PWM Compass Modul CMPS10
Hi, For my Bachelor Projekt i have to work with an NI USB-6210 Device.I want to connect an Compass Modul (CMPS10 Docu: http://www.robot-electronics.co.uk/htm/cmps10doc.htm) to this device. I've...
View ArticleLV 2012 crash during finite pulse generation (integer divide by zero)
LabVIEW randomly crashes during finite pulse generation with X-series board (PCI-e 6320) under Windows 7 64 bit and LV 2012 SP1 f3 32-bit. Exception: Integer divide by zero (0xC0000094) at...
View Articlewhy does period display NaN? what does "NaN" mean?
I have a vi that is supposed to measure 3 period values and 2 voltages using DAQmx. The vi is attached. When I run the vi, I get no errors, but, one of the counters is displaying NaN instead of a...
View Articlemeasure rpm
Hello, I am new to LabView. I have a cDaq 9172 and three modules (9263, 9201, and 9401). I am trying to measure rpm of a shaft with a 24 tooth gear and magnetic pick up. The shaft is expected to rotate...
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:-( NEED HELP: digital counter
Greetings friends, first of all ... Thanks for your time and read this post. I was looking at other publications on this topic and somehow solved already, however, when I download the examples can not...
View ArticlePCI 6602 / 6229 synchronous frequency acquisition
Hello, i'm facing a problem with my ni device. I have a 3 ni6229 and some 6602 card. We have to mesure simultaneous frequency of 2 optical coder, then display them in time domain.Signal to measure in...
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