Clik here to view.
My LED blink 3 times before entering while loop??
Hi all I want to be able to simply PWM my LED. So I created this VI. But it blinks 3 times before entering the loop, and it's like no matter what I do it insists on running 3 times the freequency with...
View ArticleNI 9361 Counter Input Duty Cycle Spikes
Hello all,Currently I am facing an issue when measuring the PWM Duty Cycle of my signal input to my NI 9361 module.The issue can be seen in the attached image Spikes in PWM Duty Cycle.PWM Frequency...
View ArticleFrequency measurement accuracy for NI-PCIe6351
Hello,I have a problem with a frequency measurement accuracy of an 8MHz signal, using internal base clock, measurement is made using the counter section of a NI-PCIe6351 card. Frequency measurement...
View ArticleUSB 6210 Frequency Measurement with DAQ Express
Hello, I'm sorry for the dumb questions, but here goes anyway. I am trying to measure wire-feed speed by measuring frequency of an encoder which is connected to a roll in contact with the wire....
View ArticleClik here to view.
Changing Duty Cycle from a PID controller output
Hello everyone, My goal is to be able to change the duty cycle of a PWM signal using the output from a PID controller. I am working with this example provided by NI:Change Duty Cycle on a Continuous...
View ArticleUse of counter NI 6612 to count no. of pulses per second
Hi,I am using an MCP detector which detects molecular ions. For each ion falling on the detector it generates a bunch of electrons by its mechanism. Due to that it generates pulses which goes as input...
View ArticleCalculate the derivative of a function over time
Hello guys ! Sorry If I don't write well, It is my first question to the community.. and I am a newbie- Labview user.(neither a good enlish speaker 🤐) I need for an universitary projet to calculate...
View ArticleClik here to view.
ConnectTerminals problem
Hello, I have a NI DAQmx USB 6343mx I use 3 counters with a CreatePulseChannelFrequency to create 3 PWM signals using ctr0, ctr1 and ctr2. I create them in 1 Task, did it also in 3 different Task with...
View ArticleClik here to view.
Counter Wiring
Hello, I am not sure if I am using the right pins for counter. I read a similar post (https://forums.ni.com/t5/Counter-Timer/Wiring-PXI-6624/m-p/855482#M7163) posted by another user, that helped me to...
View ArticleTrouble with Counter Arduino isnt receiving data from LabView
Hello everybody, I am new to forum and ive been starting using labview for about a month (lol), and today made a reverse counter that woul send a number 1, to my arduino uno, when counter reached 0 or...
View ArticleMaximum clock frequency cRIO 9022
I recently wanted to read data from an SSI absolute encoder on a cRIO 9022 with NI9403 card. It turns out that I can only generate the clock signal at 12 kHz and the processor on cRIO is 40 MHz. Am I...
View ArticleConfiguring pulse output to trigger counter using C++
Nevermind! Edit: how do I delete the thread =p
View ArticleHow do I using NI-9403 for quadrature decoder circuit?
Hi, allUsing 74HCT193, I get the required number of bits and reset on the z input, from some limit switches or from a digital output from the NI 9403, where the parallel lines from the counter go into...
View ArticleArm Start Trigger for buffered events counting PCI 6602
Hello, I am using a NI-6602 card and I am using 2 counters input channels to perform buffered event counting on each counter. The signals are TTL pulses arising from photon detectors.Everything works...
View ArticleAdd date and time stamp to continuously streaming data
Hi all, I am new to the LabView Environment and I am trying to setup a program to perform the following:1. Prompt users to select an experiment 2. Display prompt messages to guide the users through an...
View ArticlePCI-6601 - Shows no options in NI MAX
I have a PCI-6601 card connected over PCI. I've been battling trying to get it to work with some C# code for days now. I know I have the DaqMx drivers installed, along with NI Max, Labview and what...
View ArticleClik here to view.
NI 9361 Pulse Width (FIFO Overflow)
Hello Everyone!So I am trying to to measure Duty cycle of an incoming pulse train! I do that in LabView FPGA module (cRIO 9045) and the indicators on the front panel seem to indicate that the code is...
View ArticleFrequency measurement
Hi all,For a PCBA test fixture, I 'm looking for a solution to measure a clock frequency (XX Mhz).I would like a standalone board connected to the PC via USB or ETH. Thanks in advance for your help
View ArticlePCI6034E with BNC-2110 trigger voltage
Hi, I am working on using the PCI-6034E with BNC-2110 to count the number of pulses within a given period of time. the input pulse has 5V amplitude and ~20ns width. However, for each pulse, there were...
View ArticleSound Input and Sound Output with cRIO-9076 modules NI9234 and NI9263
Hello Labview Community,i would like to make simple VI for the cRIO-9076 modules NI9234 and NI9263, which outputs an MLS signal, records the sound signal and then determines the impulse response using...
View Article