PXI-6624 encoder count limits
Hi, I'm using a PXI-6624 card to read from a quad encoder with 1024ppr using Veristand configured to read in X4 mode. At approximately 11710RPM my signal saturates and doesn't increase anymore. For...
View ArticleHow to Capture/Log amount of Time a machine (plate saw) is running
I have 6 plate saws that cut titanium plate and bar.I have been asked to capture that amount of time each one is running (cutting)Ideally I want to capture this time (start and stop time) to an excel...
View ArticleTracking quadature phase shift between 2 encoders
Hi there!. I have a project where I use 2 quadature encoders. Im looking into building an solution, that tracks how much further one quadature encoder have driven than the other at a specific time. I...
View ArticleDAQ wierd behaviour measuring counter input
I've attached my current benchmarking code in snippetWhat I'm trying to do here is using PFI 10 (external TTL pulse from other device) as sample clock and PFI 11 is attached to a digital PMT so I can...
View ArticleExample VI for counting voltage pulses
I'm trying to figure out the best way to set up a FP-Quad-510 to count voltage pulses first in MAX so I can learn what the appropriate channels/axis are. Then in LV2014 i will impliment some code to...
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Buffered gated event counting PCI 6733
Hi! I am trying to do a buffered gated event counting, i.e. I'd like to count photon pulses arriving in the high time of a gate signal. I'm using a PCI-6733 card with NI DAQmx 14.2 and Labview. I'm...
View Articlepower spectrum
Hi, I have two questions, the first is that how to combine many power spectrum measurements in one graph and the second how to save the data it to a file. I am having problems saving the graph due to...
View ArticleNI-9361: "non-timed" output possible?
Hi, I ran into a problem using a NI-9361 counter in a cDAQ chassis.The hardware features timed output, so I can set the sample rate to lets say 10kHz and collect the data like analog data.Is there a...
View Articledata acquisition: data was overwritten.
Dear Labview helpers, I am searching through the discussion forum for a question/problem that I have. Although I read some suggestions, I would like to have something confirmed, since I also have read...
View ArticleMeasuring the time signal
Good day! My program reads the signal from the oscilloscope and displays it on the screen. I need to measure the time between two points. Tell me please, how can this be done and are there any similar...
View ArticleEXTCLOCK Connection with the 9401
I need to sample an angular encoder at 10KHz using the NI-DAQ Assistant. The assistant tool says I need to use an external clock. What do I need to connect on the 9401 to be able to sample the encoder...
View ArticleTwo pulse trains, one with delayed time
Hi, I am trying to get two pulse trains using VI I attached here. I am able two produce two pulse trains but the amplitude of one is very low (0.2V) than expected. Can you please help me how to get...
View Article1-D Boolean array to be used as a Pause Trigger input of a counter
Hello everyone, The issue that I have is I couldn't find an efficient way of creating a custom digital signal to feed the counter's gate input. I'll elaborate the problem later but first here are the...
View ArticleRESET ESCAPE TIME ON WHILE LOOP BY USB - 6525
Hello.I have problem with sequence loop. First start(USB-6525) while loop program run complete when I start(USB-6525) run again program start run normally but escape time is not reset. I need reset...
View ArticleData acquisition using FPGA in a while loop
I am currently trying to read from and encoder using a SEA 9521. The encoders datasheet states the kind of timing that needs to be done with variables iI am not quite sure how to figure out. Attached...
View ArticleNI9401 counter port is interferenced by NI9482
NI9401 is used for calculating encoder signal, but when NI9482 is activated to control 220Vsolenoid valve, there are a lot of noise are found in the NI9401 port while the encoder signal isn't...
View ArticleCounter/Timer device PCI-6602 output frequency.
Dear Community, I am in the process of building a HIL (Hardware in the Loop) setup to test Automotive ECU's. I am currently using Simulink Real Time R2016B to do this. I need to generate a crankshaft...
View ArticlePXI-6612 Max frequency counter
Hello everyone, I have a question about NI PXIe-6612 frequency counter card.I saw on datasheet that we can measure 80MHz frequency on one input but is it possible to push it further? I mean to measure...
View ArticleCounter Encoder Plotting
I have been trying to plot an encoder position over a counter channel and receive a fairly smooth plots. When executing my plotting VI all alone this is easily achieved, once added into my application...
View ArticlePXI 6238 Counter Output Frequency
Hi, I have a PXI 6238 and want to use the counter output application. I use ctr1, see also the attached image. However, i only get a constant HIGH signal at the port with the 24V level that I set at...
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