FPGA onboard clock stability
Hi, I'm looking for details on onboard clock stability for cRIOs (mainly 9076). Datasheet does not tell much in this. So what kind of oscillator is used for the onboard (40MHz) clock generation, what...
View ArticleHow to initialize 6602 MITE in 64 bit Operating System using Register Level...
Hello, I was asked to port our existing 32 bit Windows kernel mode driver for the NI 6602 card to 64 bit Windows.While examining our driver code, I happened to see that our driver contains the...
View Articlehow to check digital sensor
Hi all I have a flowmeter sensor, i wired it to my daq correctly but i cannot receive any values.From examples of I used count digital events- pause trig.vi but i see no flow indication. Here is the...
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How to create a continuous pulse and count it
Hi I would like to create a continuous pulse with my Mio16E-4 DAQ board, and also keep track on how many pulses that are generated. I have a quite slow pace, about 1HzI have tried to use one counter to...
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route 6612
PCIe-6612, LabVIEW 2011.I want to directly route digital signal (up to 10 MHz) from one PFI (source PFI19) to another (PFI17). Routing table says it will be using counter 7, that is already used in my...
View ArticleAutocorrelation function using counting module PCI 6602
Hello everyone, Thanks to anyone who can give me help. I just starting with Counter/Timer applications and I am trying to set up new system for my lab. My hardware consist of a photon-counting APD...
View ArticleUSB 6003: how to drive the trigger and how to trigger AO, and AI after a delay.
Hello, I am quite new to the DAQ, so my question might sound very basic but I could not figure out the answer by myself. My main problem is related with how the trigger works because I could not...
View ArticleHow do I enable the counter debounce function on a USB-6229 device.
I'm using LabVIEW 8.2. Calling the property node CI.CountEdges.DigFltr.Enable generates an error that my hardware does not support this property. The hardware documentation lists 4 debounce...
View ArticlePulse Generation Duty cycle and frequency reset on stopping and starting the...
Hi, I have a task that contains a pulse generation counter output channel (Device: NI 9402 module on a NI cDAQ 9188 Chassis). I notice that if I change the frequency and duty cycle while the task is...
View Article2つの出力のタイミングを任意で決めたい NI USB-6361
いつもお世話になっております。件名の装置を使ってテスト装置を組もうと考えています。2つの出力ポートを用いて2つの電磁弁を制御します。 2つの電磁弁は同時にオンすることはなく相互に動作します。例としてあげると下記のようになります。0,1はオフ、オンを示します。1単位5msとします。つまり100msの例を示しています。 ch0 0000001110 0000001110ch1 0111000000...
View ArticleI want to create a countdown timer with a visual readout
I like to Create/buy a countdown "readout" timerThere are Manny out there with big led Screen, and with buzzers at run out time but I need a numbering readout
View ArticleMod 16 Counter how to stop counting at 1111.
Hi I have a mod 16 counter I am require to stop it from counting at 1111 with a 74LS151 multiplexer how am i suppose to do this ? Picture and file of my circuit is attach below need help asap thanks.
View Article[Help] Difference between Channel Length (.tdms save data) and samples...
Hi guys, im in trouble with my VI DAQ, i have a huge difference between Length data (.tdms files) and my samples calculated in the same loop, i dont know if im doing something wrong in my code or if...
View ArticlePCIe 6351 and quadrature encoder + voltage sensor.
Hi! All experts, I'm considering PCIe 6351 to use as a counter and taking data set.The question is how to use equipped quadrature encoder input channels in PCIe 6351 and correspond to voltage sensor...
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Frequency measurement clock teminology.
An NI document explains "high frequency" two counter measurement using this diagram: If I understand the Device Specifications correctly, my USB-6259 BNC has "Internal base clocks" with frequencies...
View ArticleError -200371 while starting a task containing counter output channels on the...
Hi, I have simulated a cDAQ-9178 chassis (cDAQ1) and 2 modules:1) NI 9402 - cDAQ1Mod12) NI 9481 - cDAQ1Mod2 I created a task and add 2 channels to it:1) ctr0 of cDAQ1Mod1 2) ctr0 of cDAQ1Mod2 If I...
View Articlestart a counter with digital trigger
I want to use a counter in my DAQ card to count TTL pulses and I want this counter is started by a external trigger.I run the example progrem 'counter-count edges.vi' provided by Labview and choose the...
View ArticleRemoving the analog signals changes my frequency measurement
I am trying to record signals from four sensors (analog output, differential, 0-10VDC) connected to the AI terminals of a NI-6215USB, simultaneously with the signal from an anemometer. The anemometer...
View ArticleGenerate a Continuous Digital Pulse Train With a Variable Duty Cycle
Hello guys I am currently trying to generate a continuous digital pulse with variable duty cycle. I have managed to do this thing on frequency but would like to do the same with the duty cycle. Any...
View Articletime sampling rate
I have a doubt about the recorded data by NI cDAQ 9234 (data obtained by accelerometer transducers). I am recording data with Rate (Hz) 2048 and samples to read 1024 and acquisition mode : continuous...
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