ysrevol
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Posts posted by ysrevol
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On 12/2/2023 at 9:11 AM, Fausto said:
Hello @ysrevol.
Add a While Loop before the F Dwf Device Close All.vi to manually control when to stop the output pulses.
Regards,
Fausto
Dear Fausto,
I run it as instructed and it worked well.
Thank you very much for your kind comment. ^^I have one more question.
Is there a way to adjust the number of pulses?
When I set it up as shown below to make only 3 pulses come out, the pulses come out continuously.
Thanks to the solution you provided, I can go further. Thank you again.
Regards,
YoungSik Kim.
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I found out today that there is a "labview" board.
I want to create a pulse with LabView using AD2 (Analog discovery2). Among the Python programs included in the Waveform SDK, "DigitalOut_Pulse.py" was translated into LabView.When I set the frequency and duty and run it, the result is in the attached picture. Only a single pulse comes out. . I thought the execution result would be pulse trains with the set frequency and duty that repeats infinitely. However, only a single pulse appears.
I would be very grateful if you could tell me what I have set up incorrectly.
fig. 1 (pulse.vi)
fig. 2
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I found a good site that generates PWM waveforms.
https://www.instructables.com/Analog-Discovery-PWM-and-Digital-IO-Control-though/Considering my level, I need a simple "getting start", but ^^ I think this site will help a lot.
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Thank you for your great information. I am a complete beginner in LV, and I have never imported WF (SDK) before. So, if possible, it would be of great help if you could give me just one related example that imports DigitalOut_Pulse.py.
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Thank you very much for the good information.
However, I am a beginner in labview, so it is difficult to apply it right away.
It would be very helpful if you could upload a simple labview example that includes the DigitalOut_Pulse.py Python file you mentioned.
Thank u~
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I am a beginner in labview and python.
I implemented a pulse on digital IO 0:1 using Labview using Analog discovery 2.
However, the change in pulse width was about +/-0.8msec. If there are any methods or related examples that can implement a precise pulse width (+/-0.1ms or less) with labview, please Let me know them.
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I would appreciate it if you could let me know if there is a way to collect data that averages the signal value for 100ms from the rising edge of each trigger signal in the "Logger" of waveforms.
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I want to control analog Discovery 2 using labview.
A program that reads a signal, wavegen(W1) with Channel 1(mso/1) of the MSO. However, if I insert [MSO Configure Analyst Edge trigger vi] (figure(a-2)), If I make a start, it won't work, so only "Ctrl+ALt+Del" can start labview anew.
If [MSO Configure Analyst Edge trigger vi] is not included (figure (a-1)) it works well (figure (a-1) result). What did I make a mistake? I'd be very grateful if you could tell me the bug I made.
Please understand that the Lab View program cannot be uploaded due to my company policy.
(a-1)
(a-2)
(a-1) results
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By connecting [Trigger 1] to [digital 0], it is triggered every time [digital 0] is pressed as shown in the picture, and I tested whether data is saved to a file each time it is triggered. But it still doesn't save. What have I set up wrong?
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I am using waveforms version 3.18.59 (64bit). I would like to know how to use "Each triggered acquisition" when saving data on an oscilloscope.
I set channel 1 as the trigger source and activated it, but the data is not saved.How do I use this function[Each triggered acquisition]?
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When installing waveforms new version (digilent.waveforms_v3.20.1_64bit.exe), the following error occurs. Is there any solution?
I am using window 10 (64bit).
There seems to be a problem with the install from the version that connects and uses two AD2 units.
digilent.waveforms_beta_v3.19.17_64bit installs without problems.
I am trying to connect and use two AD2 units. Please solve the problem.
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6 minutes ago, attila said:
Hi @ysrevol
The DIOs are multiplexed in the device StaticIO having priority over the Patterns.
A DIO output will be 0 or 1 if this is configured in StaticIO. If here it is set to Z then the Pattern Generator will control this DIO.Oh!! I followed what you said and it works fine. thank you ^^
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Thank you for your kind reply every time.
Can I use ROM Logic and StaticIO together?
If I run the "Patterns" window and the "StaticIO" window at the same time, the Patterns signal does not come out.The WaveForms version I am using now is "digilent.waveforms_beta_v3.18.59_64bit".
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Is it possible to implement interrupt function with Digital IO pin in AD2?
For example, if I want to disable all output signals to 0 when the DIO0 pin is "1" asap( by using the DIO0 pin as an interrupt input), can I implement it with sctript?
thanks in advance
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1. how to add channel2,3 to wavegen?
2. The latest version of downloadable waveforms is 3.18.1.
Where can I download 3.19.3 version?
Plz Help me, digital Pulse generation in LV (DigitalOut_Pulse.py)
in LabVIEW
Posted · Edited by ysrevol
I found the answer.
All you have to do is set the input "secRun" of "F Dwf Digital Out Run Set" to pulse period accurately and adjust the number of repeats!!
thank you,
I started to become interested in AD2 and labview. ^^
Regards
YoungSik Kim