Use 2 frequency inputs with same counter?
Hello! How can I use 2 different PFI on the same counter with tasks? I have PFI0 and PFI1 in use. Many thanks!
View ArticleNI 9401 edge counter mulitple samples
Trying to use edge counters in the NI 9401 module in cDAQ9174 chassis, LabVIEW 2016. Want to read single channel, multiple samples from the module. I get error -200284, which is "Some or all of the...
View ArticleBasic Buffered Edge Counting
Dear all,I used to do a lot of LabView long time ago, and I am a bit rusty...I am trying to implement 'Buffered Edge Counting' as illustrated in the X-series manual, fig7.3 ( that I attached just in...
View ArticleRenishaw RGH24 compatibility
Hello, I have an LM10IC13BBB10F00 (datasheet attached) differental linear magnetic quadrature encoder which I'm using a NI USB 6211 to read the positive channel (A, B) with. It works well even though I...
View ArticleReset Counter: conditional action upon rising edge
Dear all, After my basic question (https://forums.ni.com/t5/Counter-Timer/Basic-Buffered-Edge-Counting/m-p/3941541#M14321) was solved (thanks again Kevin), I have another question (this time less...
View ArticleCO: Requested vs. actual frequency
Hi, I am using a PCIe-6353 DAQ card and try to figure out what the 'allowed' frequencies are. I found some threads about it but I am not sure I understood everything correctly. This article comes...
View ArticleUSB 6001 speed measure
Hello Everyone, This is my first experience with the USB 6001 and DAQExpress. After reading some other posts, I realize this device is not well suited for incremental encoder reading. Nonetheless, I...
View ArticleNI 9361 FPGA configuration
Hi, I am using a counter NI 9361 with a CRio 9040 and Labview 2017 SP1 f3 - NI RIO 17.6 - NI DAQmx 17.6. I configured the Module in FPGA mode. I based my FPGA code on the example provided with Labview...
View ArticleGenerate two CO from one counter?
Hello, I have a PCIe-6353 DAQ board, which has 4 clocks available. I am already using all four of them and am now looking for a way to make one of them available for another task. This is what I would...
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PCIe-6738
I recently bought PCIe 6738, which was supposed to have 4 counters.However, from the look at the device pinouts of the card, it seems that there are actually 2 counters that can be used...
View ArticleInterfacing Quadrature Encoder to uSB 6001/2/3
Can one use the PFI0 and PFI1 counter inputs pins of USB 6001/2/3 for measurement of quadrature encoder pulse inputs?The quadrature encoder under consideration is having following details :Type :...
View ArticleDAQmxCreateCIDutyCycleChan error when using C functions
Hello, I am new to the forum so I am not sure where to post my question, I hope someone can help me. I am trying to measure a PWM duty cycle using the C functions for DAQmx, but I am having trouble...
View Articlecreate a delay for a signal
I have two signals from two devices and I want to delay one of these signals for a time when the other signal is coming? how I can do that? I have tried counter and delay time but it is not working.
View ArticleNiDaqmx-python ci_two_edge_sep_chan times out
Two_Edge_Sep times out. Can anyone see why? I am baffled.Python version: 3.8.0 (tags/v3.8.0:fa919fd, Oct 14 2019, 19:37:50) [MSC v.1916 64 bit (AMD64)]Package Version---------- -------nidaqmx 0.5.7...
View ArticleCounting a pair of mutually gated pulses, while simultaneously counting all...
Hi all I hope you can help me (I've been struggling with this problem for about a week 😞). I wouldn't say I'm completely new to LabVIEW, but I am quite new to data acquisiton of the type to come. I...
View ArticlePCIe-6321 encoder maximum input frequency
Hi, everyone!I want to use PCIe-6321 to measure angular position with an incremental quadrature encoder. What is the maximum frequency coming from the quadrature encoder, which 6321 can measure...
View ArticleBuffered Edge Counting Error: "Multiple Sample Clock pulses"
Dear all, Some time ago, I asked regarding "Basic Buffered Edge Counting". Kevin_Price put me in the right path.To put it in context: I need to time tag the arrival of photons from an ion in an RF...
View ArticlePCI6602+Qt
I am using Qt and PCI6602 for edge count. I am using an external clock which is 4Mhz. The code is:step 1. DAQmxCreateTask("",&newtaskHandle);step 2....
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PCI-6221 is it possible to generate 2 channel pulse sequence at the same time?
PCI-6221 is it possible to generate 2 channel pulse sequence at the same time?why have error with my VI?
View ArticleSuitability of the PXIe 6612 Encoder Positioning Module
Hi,I'm trying to record encoder signals from a motor driver (Pansonic Minas A5) to determine the current position of the motor. My current hardware includes a PXI 8108 embedded controller. Is it...
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