Digital waveform editor somewhere bundled in full, proffesional or suite?

Hi,
I recently discovered the digital waveform editor which seems quite usable for a project I'm working on. I downloaded the demo version, but I cannot save the files (it's a demo right). My question is whether this product is available in one of the bundles. At the university we do have access to allmost every LabVIEW product but I cannot seem to find this one. And before I go installing all DVD's I can find, perhaps there someone who knows whether and where I could find it.
Thanks in advance,
Mark

Hi Mark,
See here for another DWE.
- Partha
LabVIEW - Wires that catch bugs!

Similar Messages

Digital waveform editor can not open hws file generated by niHWS store waveform

Hi,
I am using a simple VI to store the U32 array to a hws file in LabVIEW, however, the file generated can not be opened by Digital Waveform Editor. The VI used to be working well before I upgrade LabVIEW from V7 to V7.1.
Meanwhile I also found out that the hws file generated by DWE can not be read out by niHWS. retrieve waveform.vi if the number of channels is not 32.
I would be grateful if any one can give me some help. Please find the VIs and hws files as attached.
The software I am using is
Digital Waveform Editor 1.0
LabVIEW 7.1
Best Regards, YJ2003
Attachments:
question Get ArrayU32 from HWS Data.vi ‏108 KB

Dear Brian,
Thanks for your quick response.
I tried again but still failed to open the hws file with my DWE V1.0. Since the version is the only difference between our software, I suspect the problem is caused by my DWE of old version.
Would you please help me to check if the new attached questionretrievepattern.hws file can be opened by the HWS.VI? (Please change the extention from txt to hws as I can not attach file with hws format in this forum)This file is generated by DWE1.0 and contain only 16 channels. It can not be opened by the niHWS retrieve waveform.vi in my computer with erroe code "-21558", but if I added another 16 channels signals with DWE, the data can be read out properly.
If we can confirm the problem is caused by DWE1.0, would you please also let me know how to upgrade my DWE? Thanks.
Best Regards, YJ2003
Attachments:
questionretrievepattern.txt ‏35 KB

Digital waveform editor

If I use the Digital Waveform Editor to create a clock, can this clock signal be used as a my clock source? An example I am trying to reference for creation of my own VI is the Dynamic Generation and Acquisition - Demo.vi found in the Example Finder in LabVIEW 2012. In it the On Board Clock is used for both Generation and Acquisition. I would like to use a clock that I have already created in my waveform file because I know my other signal is working with it and the device under test when doing a signal generation and acquisition using a scope. Any advice on how to do this (if possible) would be appreciated.

tcarrico,
In terms of using the waveform file that you created directly as your clock source, this is not possible. However, if you wanted to output this waveform using a function generator and then use that signal as an external sample clock for your Digitizer, this would be more likely to work. Is this more along the lines of what you were thinking?
Robert B
Applications Engineer
National Instruments

Digital waveform editor & fichiers.hws

Bonjour,
J'utilise une carte PXI 6542 pour envoyer diverses sequences numériques à un système électronique, j'utilise le Digital WaveForm Editor qui est plutot pratique pour faire des modifications ponctuelles (à la sourie) sur des signaux (par exemple modifier le debut ou la fin). Je peux egalement créer des signaux directement avec labview, si ceux-ci sont repetitifs et pas trop complexes.
L'ideale, est de pouvoir utiliser les deux manières de dessiner les signaux numeriques. Mais je n'arrive pas à enregistrer à partir de labview un fichie.hws qui aurait des noms (voir même des couleurs) paramétrables.
Ma question : Comment enregistrer un fichier.hws avec des noms de signaux que l'on retrouverai lorsqu'on ouvre ce fichier.hws avec le Digital Waveform Editor ???
Merci.

Bonjour,
Pardonnez mon français, je n'ont pas parlé français depuis le lycée. Afin d'écrire un dossier et faire apparaître les noms de signal dans le DWE, vous devrez éditer le dossier utilisant une bibliothèque HDF5. On est disponible ici:
http://digital.ni.com/public.nsf/allkb/CB8A7F8090900F6C86256CC700033816
Les noms de signaux viennent du "name" corde dans le dossier HDF5. Si vous n'êtes pas très familiarisé avec HDF5, alors il peut être très difficile d'appeler les signaux. Vous pouvez également consulter le poteau suivant de forum de discussion:
http://forums.ni.com/ni/board/message?board.id=170&requireLogin=False&thread.id=155446
Brian Coalson
Software Engineer
National Instruments

Digital waveform editor sample size limit?

Hi,
Can anybody please tell me the sample size limit of the Digital Waveform Editor? Thanks!
Jing

Hello,
1) You can actually acquire as many points as you want. You may be worried about the throughput of all this data from the DAQ board into computer memory, but I don't think this will be much of a concern for your application. You're limited only by how much memory your computer has. Mainly, you should be concerned about what you are doing with all those samples after they are acquired. Are you just using them once then throwing them away? (Such as the "Cont Acq&Graph Voltage-Int Clk.vi" shipping example.) Or are you streaming them to disk? If you just keep them all in computer memory, then there would be some maximum number of samples you could hold but that number would be system dependant and you'd just have to experiment to find that number.
2
) That's a great idea to take those voltage signals and make them digital inputs. This way you'll also free up some more bandwidth giving you the option to increase the sample rate on your other channels. However, you won't be able to include any DIO channels in the same task with your other analog channels. You need to create a separate task for these digital input channels. Lines 0,1,2, and 4 will be reserved for communication with your SCXI chassis by the way. You also won't be able to do any buffered sampling like you can with the analog channels. The DIO for the PCI-6024E is only immediate and software-timed. (You must poll the status of the line with a software loop.)
Let me know if you have any other questions.
Russell
Applications Engineer
National Instruments
http://www.ni.com/support

Digital waveform editorで作成した波形をPXIe-6536で出力

Digital waveform editorで作成した波形をPXIe-6536で出力したいのですが、どのようにすればよいでしょうか．
対応が正しいかわかりませんが、現状では以下のようなアプローチをとっております．
①Digital waveform editorで波形を作成
.hws形式のファイルとして出力して、
「NI-HWS Express(load)」に読み込み
デジタル波形グラフVIで出力を確認しました．
②PXIe-6536用にDAQアシスタントを作成
PXIe-6536でのデジタル出力
DAQアシスタント作成時画面でテスト波形の出力
NI CB-2162上で波形が出力されていることを確認
DAQアシスタント作成完了
というところまでを行いましたが、いくつか気になる点があります．
DAQアシスタント単体で実行すると、エラーが出る
「エラーコード-200077がDAQmx Write (Digital 1D Wfm NChan NSamp).vi:3で発生
Measurements: 要求された値は、このプロパティでサポートされている値ではありません。
プロパティ: Output.BufSize
要求された値: 0
最小値: 2
最大値: 4294967295」
DAQアシスタントとHWS読み込み用VIの接続を添付ファイルのようにForループ内に入れなければ接続できない
以後、サンプルレートの設定などを行うにはどのようにすればよいか．
といった状況です．
当方、Labviewに関しては全くの初心者であるため、上記のような方法が適切であるかわかりません．
至らない点も多いかとは思いますが、お気づきの点がございましたらご意見いただけますようお願いいたします．
Attachments:
sample.jpg ‏654 KB

Try posting in english here
Translation
Digital waveform editor to create waveforms PXIe-6536 I want to output, what do I like?
I do not know the correct response is, at present we take the following approach.
① Digital waveform editor creates a waveform
   1.. Hws as the output file format
   2. "NI-HWS Express (load)" read
   3. VI confirmed the digital waveform graph output.
② PXIe-6536 for creating DAQ Assistant
   1. PXIe-6536 digital output in
   2. DAQ output waveform creation screen test assistant
   3. NI CB-2162 has been confirmed that the output waveform on
   4. DAQ Assistant SUCCESS
Is conducted to the point where there are some drawbacks, however.
    * DAQ Assistant, you run alone, I get an error
"-200,077 Error code is DAQmx Write (Digital 1D Wfm NChan NSamp). Vi: 3 occurred in
Measurements: Requested value is a value that is not supported at this property.
Property: Output.BufSize
Requested value: 0
Minimum: 2
Maximum: 4294967295 "
    HWS * DAQ Assistant VI to read the attached file for the connection can not connect For the loop to be taken into
    * Thereafter, the sample rate settings do and what do I like?
Such situation.
Us, Labview for complete beginners because it is, I do not know how you like the above is correct.
And I think there are many points, but fall short, you can ask that solved until you have any opinion you have any

Can labview digital waveform editor provide tri state option

hi
Could anybody who have used labview digital waveform editor
would let me know whether, the package supports the
tri state opertaion also.
rags

Currently the LabVIEW Digital Waveform Editor does not provide tri state functionality.
Minh Tran
Applications Engineer
National Instruments

Can digital waveform editor be launched from labview8.6

Hi,
Have anyone tried launching digital waveform editor from labview8.6? if so please let me know.Is there any connectivity VI that can be used for waveform editor.
Thanks,
Nandhini

Nandhini,
You have two different options for interacting between the Digital Waveform Editor and your hardware. You can either use the play button directly from the Digital Waveform Editor to launch Signal Express with a HSDIO Express Step configured to generate the waveform you are creating in the DWE, or you can edit and save a waveform to disk, and then configure a LabVIEW program to generate that saved waveform. It sounds like the second method is what you are looking for. Save the waveform you are editing in the DWE to disk at a specific location, then configure your LabVIEW VIs to generate the waveform, and use either the HWS read VIs, or you can use the write waveform VIs of the HSDIO and specify the location of the HWS file.
Brian Coalson
Software Engineer
National Instruments

Digital waveform frequency measurment

Hi,
i have Motor driver can give me the speed as feedback "digital waveform"
the frequency is proporational with the speed
i have Cdaq 9188
also i have ni9401
1. at which slot i have to connect the cmodule 9401 to be able to reach the counters ?
2. how i have to connect the speed feedback to module ?
3. can i have guide about this issue ?
thanks alot

Try posting in english here
Translation
Digital waveform editor to create waveforms PXIe-6536 I want to output, what do I like?
I do not know the correct response is, at present we take the following approach.
① Digital waveform editor creates a waveform
   1.. Hws as the output file format
   2. "NI-HWS Express (load)" read
   3. VI confirmed the digital waveform graph output.
② PXIe-6536 for creating DAQ Assistant
   1. PXIe-6536 digital output in
   2. DAQ output waveform creation screen test assistant
   3. NI CB-2162 has been confirmed that the output waveform on
   4. DAQ Assistant SUCCESS
Is conducted to the point where there are some drawbacks, however.
    * DAQ Assistant, you run alone, I get an error
"-200,077 Error code is DAQmx Write (Digital 1D Wfm NChan NSamp). Vi: 3 occurred in
Measurements: Requested value is a value that is not supported at this property.
Property: Output.BufSize
Requested value: 0
Minimum: 2
Maximum: 4294967295 "
    HWS * DAQ Assistant VI to read the attached file for the connection can not connect For the loop to be taken into
    * Thereafter, the sample rate settings do and what do I like?
Such situation.
Us, Labview for complete beginners because it is, I do not know how you like the above is correct.
And I think there are many points, but fall short, you can ask that solved until you have any opinion you have any

Bug in Digital Waveform Graph X-Axis

Hello,
I am making separate queried to a database to retrieve analog and digital data over the same time period. The data were logged at 2 second intervals. I have verified that both result sets return the same number of values with the same t0 and dt. I then plot the analog values on an XY Graph and the digital values on a Digital Waveform Graph. I then use property nodes to sync the two graphs (left and right plot bounds, XScale.Range, and Cursor Position.X). After doing this, I can see that the datasets do not line up between the two graphs. The data on the Digital Waveform graph ends several seconds sooner than the analog data. The x scales of the graphs appear to match but the plots don't align in time.
Has anyone else observed this behavior? Is there any work-around?
Thank you,
Peter

There is a much simpler way to synchronize these charts. Just use a stacked chart.
If you use a bundle function you can take two signals (almost data type) and wire them into a Waveform Chart together.
Then on the front panel right click on the chart and select Stack Plots
Since you only have 1 X axis now they are instrincly synched and will always write valules at the same time and update the UI together. You can skip all of the scale synching....
Since the data you are working with has lincked time stamps, the data will need to be matched, (make sure the samples are anyched and each itteration both would have the same number of samples.
The last allternative would be to strip the time stamp off of your data then build a new data structure, with the digital data, analog data and 1 set of matched time stamps. You can then plot this on an XY chart using the time stamp for the X axis for both of your other plots. Let me know if you have other questions.

JTAG Digital Waveform transfered using USB or parallel port ?

Hi all
I was wondering if there is a way to send JTAG Digital Waveforms generated by LabVIEW into a parallel port or USB port. I know that there is a way to use DAQmx devices with JTAG Digital Waveforms where DAQmx drivers take JTAG Digital Waveforms and transfer that into physical signals which is then send to UUT. I really am in a need to try to mimic whatever a DAQmx can do to make that happen with a parallel port or usb port. I would really appreciate if you can help me it is very urgent.
Thanks

Hi Cristopher
I do really appreciate for a quick response. I am full aware of the fact that NI products for digital waveform generation will do the job, plus it is easier to implement them. However my goal is to use an inexpensive device that can generate external timing and my JTAG library and make .exe files from my final code and distribute that setup for several computers in factory. So buying several digital waveform generators from NI for each PC in factory will be a very expensive option. I think now you have a better picture why I am trying to find another inexpensive way to implement these digital waveforms using JTAG library. It would be ideal if I can use parallel port with some external timing to do the trick but I am really not sure where to start. Cirstopher I would really appreciate if you can come up with any suggestions in regards to this problem that I am having.
Thanks again.

Normalise in waveform editor question

I may be really dumb here, but when I normalise to 0db in the waveform editor, and then check the levels in the meters tab, it tells me that I'm peaking by sometimes over 6db!
It's a stereo track, so what am I doing wrong?
Is 0db in the editor different to 0db on the meters?
I'm new to STP having previously used Sound Forge so I'm learning the differences.

Yes, you notice that digital audio is quite a bit more sensative than analog!
To get a real result @ 0db you'll want to start under 0 with normalize, try intervals -2.
Normalize however is a very harsh method and you may want to try something like Reduce Amplitude, or Peak Limiter. [easier reductions on your audio]
Good Luck

How do I graph more than 8 bits on the Digital Waveform Graph?

Greetings,
Does anyone know how have a Digital Waveform Graph that graphs Unsigned 16-bit numbers (rather than U8)?
Thanks

Just wire your array of U16 right to the bundler. The Digital Waveform Graph will just create 16 plots instead of 8.
Alliance Members are here to help. We do this stuff every day.
Daniel L. Press
PrimeTest Corp.
www.primetest.com

Simultaneous analog and digital waveform read with PXIe-6361 and BNC2120 ?

Hi there,
I am trying to collect both analog and digital signals from a PXIe-6361 linked to a BNC2120, using the attached VI. I am running Labview 2011 64bit. This is the first time I am working with digital input. On the 2120 board, I have the digital input BNC cable connected to User Input 1 and wire between the screw terminal of UserInput 1 and the P0.1 (Digtial I/O) screw terminal.
I have two questions related to this:
1) When I try to run the VI in its current state, I get the following error:
Error -89137 occurred at DAQmx Start Task.vi:3
Possible reason(s): Specified route cannot be satisfied, because it requires resources that are currently in use by another route.
Property: RefClk.Src
Source Device: PXI1Slot2
Source Terminal: PXIe_Clk100
Required Resources in Use by
Task Name: _unnamedTask<6>
Source Device: PXI1Slot2
Source Terminal: None
Destination Device: PXI1Slot2
Destination Terminal: RefClockInternal
Can anyone point me in the right direction for troubleshooting this?
2) I would like to combine my regular waveforms and the digital waveform into one array which would then be written to file. I can't figure out how to combine the two different waveform types...can anyone give me a hint on this?
Thanks for your help,
Claire.
Attachments:
Export Waveforms To Spreadsheet File (1D)_wo extra line.vi ‏33 KB
Multi-Device Synch-Analog Input-Finite Acq-Analog Start_Claire_wDigitalin.vi ‏105 KB

Hi ClaireJ,
Sounds like a reference clock conflict. This KnowledgeBase (KB) talks about this error when using simultaneous sampling. Also, might want to check the device routes in Measurement and Automation Explorer (MAX) as discussed here. Finally, if you are routing your PFI line over a RTSI connection, this error can occur. This KB discusses it.
As to your second question, this post should help.
Bill E. | Applications Engineer | National Instruments

How do I output three digital waveforms at once?

I posted this in Digital I/O, but now I think it's actually more appropriate here because it's not a hardware question. I need to output three digital waveforms at a relatively low frequency, 71.9 Hz. I have a PCI DAQ card, the 6024E and am using the NI-DAQmx functions to try to do this. My program basically generates the square wave that I want, and converts it into a digital wave. I do this 3 times for the three separate waves, and then I combine them into an array and send them to my DAQ functions, which are in a while loop so I can get continuous output. My problem is that the waveform that the DAQ is actually outputting is not what I want. It's outputting a wave that has the same duty cycle (approximately) but the frequency is over 2 kilohertz. It's not like this all the time; after it outputs about 7 cycles of this wave, it goes to logic low for a long time, and then repeats itself. When I probe the digital waveform right before it goes into the DAQ functions, it's running correctly at 71.9 Hertz. Am I doing anything wrong with the DAQ functions or the sampling information? Thanks in advance.
-- Josh Matloff

Hello Josh,
I'm pretty sure that the reason that your digital waveforms are not being produced at the correct frequency is because your digital output is not associated with any sort of timing. Unfortunately, with an E series board you can only do software timed digital operations. This means that the frequency at which the values on your digital lines will be updated depends on how fast/often your computer executes the DAQmx Write that is inside of your while loop. If you have an M series board, you can actually correlate the DIO operations with another subsytems clock (AI/AO sample clock, etc.) which means that you can acheive hardware-timed DIO. In the event that you do not have access to an M series board, I think that AnalogKid2DigitalMan was spot on that you would want to use counters to generate pulse trains (that is if your digital waveforms have a constant duty cycle and period). Depending on what the DAQ board is outputting to, you might also want to consider using the Analog Output channels to generate your digital waveform. As long as you continue to use the digital lines on the 6024E, there is not really a way to guarantee the timing of when the digital lines will be updated. You might be able to get close, but you will probably see some "hiccups", especially if your computer needs to service interrupts or give processing time to another application. And lastly, heed geckoee's advice and don't forget to properly close out your tasks! Putting in some error handling may also help in the debugging process.
Take care,
E.Lee
Eric
DE For Life!

Digital waveform editor somewhere bundled in full, proffesional or suite?

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