flowmeter on usb 6009 (connections)
Hello, I am using a flowmeter (attached) on a USB 6009. The wiring connections (3 wires from flowmeter) are:Sig ground to GRD of the module+Vdc to the +5V of moduleSignal output to the PFI0 of...
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DAQmx CreatePulseChannelTimeMethod
Dear all, I am trying to setup a digital counter using a NI-DAQmx card and using VS-C#. My question comes when I declare the GateTask. So, I do: GateTask.COChannels.CreatePulseChannelTime("Dev1/ctr0",...
View Articlecounter miss TELL pulses, NI DAQmx 9181 with NI 9402
Hi,I am trying to read TTL pulses from a function generator using a counter. I am applying a 1KHz signal to the counter. Every time counter reads the pulses correctly in first cycle of measurement, but...
View ArticleDrive CO Timing Off of Non-TTL Clock?
Hi, I'm using a PCIe-6321. I'm trying to send a counter output for specified numbers of ticks based on an external clock coming into a PFI input. The problem I'm having is that my external signal is...
View ArticleHow to I determine when my Two edge separation counter starts counting
I've been searching through a ton of Daqmx properties, the, web and the NI-forum to find the answers to the question "How do I determine when my Two-Edge Separation Counter actually starts counting. So...
View Articleusb 6341 counter number of buffer
HiI will use usb 6341 to measure digital pulse.What is maximum buffer when i use 25Mhz sample clock with buffered mode? (It shown error when i set 25Mhz clock, N sample mode, 1M sample)Is there any...
View ArticleUSING TWO COUNTERS TO COUNT INDEPENDAN EVENTS
Hi Group,Been searching an trying many things to find a solution. I know there is one but just can't seem to get it right. I have two devices which supply TTL pulses which I need to count. Ctr 1 will...
View ArticleDAQ timing
Hello, I'm trying to make a program that uses a switch to change between a low resistior and a high resistor. The object is to detect when a current has changed significantly to change to a different...
View ArticlecDAQ-9181 with NI 9402 : After first read cycle Counter is missing some...
Hi,I am trying to read TTL pulses from a function generator using a counter. I am applying a 1KHz signal to the counter. Every time counter reads the pulses correctly in first cycle of measurement, but...
View Articlesingle pulse width measurement
Hello, I am trying to measure the time of a single pulse using ctr0 on a PXIe-6361. The input signal seen in attachment Capture7.jpg, is going to PFI 9, the gate of ctr0. The problem is that the...
View ArticleProblem using single counter on NI9411
I'm trying desperaterly to get 3 Period measurements on a single 9411 module. I'm measuring ranges from 0 - 5000 hz, I'm able to do this accurately using the high frequency, two counter period...
View ArticleNI 6023E counter Trigger
Hi All, I am using NI 6023E DAQ. I am trying to start the analog measurement and the pulse count measurement (PFI8) after the triggering from PFI5. Counters can only be triggered with ARM triggers. But...
View ArticleHow can I increase sampling rate? Active Noise Cancellation
HelloI am an undergraduate working on building Active noise cancellation code. I could make good secondary path filter FPGA code (which could generate maximum 7k sampling rate). However, my second FPGA...
View Articlefpga
Hola amigos, por preguntales como puedo medir el tiempo entre flancos con una myRIO, o con la FPGA que esta en la myRIO, cualquier ayuda sera bien venida
View ArticleCO Pulse Ticks waveform
Hello, I am using an NI USB-6353 and Labview 2013. I would like to be able to use the CO Pulse Ticks along with the Start Digital Edge functions in order to create a digital waveform graph. My hope is...
View Articlecounter reseting after particular number is reached
Hi, I need a counter which will count from 1 to 20. It should reset at 20 and again start from 1 again. Can any one help me in this. Also I need how to interface the labview simulation with real time...
View ArticleProblème de pretrig Analogique
Bonjour, Voila mon problème : Je dispose actuellement d'une carte NI PCI 6254 mais je pense qu'elle n'est pas suffisante. En effet, je veux analyser (enfin du moins capter) 4 impulsion analogique en...
View ArticlePXI-6624 custom device
Hello, Sorry for my bad english. I start with the custom device. I want use two PXI-6624 with Veristand for counter I/O. So I try to creat two easy custom device, one for each card. The program is ok...
View ArticleFluctuation observed while measuring frequency through "NIDAQmx" library for...
We have tried all the APIs mentioned in the attachment for measuring frequency by using NI-6014.Significance difference was observed between the Set frequency and the measured frequency.Please provide...
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