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 ArticleGenerate a variable pulse train frequency or clock
I've been trying to raise this on the PXI board (https://forums.ni.com/t5/PXI/Generating-a-variable-clock-pulse-train/td-p/3959809) but realise this may have been the wrong place. I have a PXI 6683H...
View ArticleGetting start with PXIE 6674T
I read the manual for PXIE6674T but I still have no clue on getting start with this module. In my LABview, I cannot see any block for the PXIE6674T, but I do check the configuration on MAX that my...
View ArticleChange clock amptitute in PXIE-6674T
Right now I am seeing -2.5V ~ 2.5V in the oscilloscope. Is it possible to change the amp and offset of the clock signal? I what 0V~3.3V output 10MHz clock output. Thanks.
View ArticleTimed Acquisition using DAQ
Dear Sir/Madam,I am conducting a dynamic light scattering (DLS) type experiment. I am using a SPAD type detector and Xseries PCIe 6351 DAQ from National Instrument.The output of this detector is TTL...
View ArticleDigital filtering on Gate for Linear Encoder
Hi All Using the C API for DAQmx 19.1 on a PCI-6601 I am trying to apply a digital filter on the gate input for my X1 counter task. Linear encoder channel is created using...
View ArticlePolling counter value from a buffered counter
Hi Is it possible to poll the value of a counter that has a sample clock configured? I am still interested in getting the counter value both at the time of the sample clock (normal buffered counter...
View ArticlePXIe-6612 Counter Card Example Code
Hi All, I have just taken delivery of a couple of 6612 Counter Cards and am having some problems getting them to work from my C code. Has anybody got an example C code that covers setting up a task,...
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