error-229771 DAQmx create channel (AO-tension-Basic) .vi:3 < append > < B > task name: _unnamedTask < /B > < 0 >

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• Error-200431, DAQmx create Channel .vi (I-voltage-Custom with excitement)

  Where is past ".vi DAQmx Create Channel (I-voltage-Custom with excitement)?

  I tried to use this VI of force measurement with an NI PXI-4472. He responds with the 200431 error... You asked: more: voltage: Custom with excitement, you can select: sound pressure, voltage: microphone,...

  It seems to me to be an internal error of the VI's Version of LabView 8.6.1

  Hi Suse,

  Thanks for your reply.

  It's the right device but the bad VI.

  PXI-4472 is an excellent camera for the dynamic force measurement using Quartz sensors. I was intending to use the .vi (I-voltage-custom with excitement) to configure entry and IEPE excitement, but I got the error code. I have now managed by using the pure (I-voltage) .vi entry configuration and IEPE using the DAQmx channel property node.

  However, I tried the .vi (I-voltage-Custom with excitement) with appropriate PXI-4220 simulated device, no error.

  Concerning

  T.Knox

• 88302 error occurred at .vi:1780001 DAQmx create channel (I-voltage-Basic)

  Hi all. I'm new to the Forum so if I leave aside any improtant info please forgive me. I try to enter a NOR-DAQ sensor voltages, but the 88302 error keeps popping up when I run the vi. I took screenshots and circled the blocks which throw errors. I have attached the screenshots and the vi. I tried restarting my computer and NEITHER-DQA. I should also mention that I am using LabVIEW 2013 Version 13.0f1 (32 bit). Any help would be greatly appreciated!

  It turns out that some drivers on the computer have been updated and the latest version did not support some of our old stuff. The old drivers have been resettled, and the error went away.

  -Chris

• Possible bug: DAQmx create channel w/o specified in task

  The VI DAQmx 'DAQmx create channel (I-voltage-Basic) .vi' requires no task should be connected, and claims his detailed help "" task in specifies the task to add virtual channels, this VI creates. "." If you do not specify a task, NOR-DAQmx creates a task for you and adds the virtual channels that this VI creates to this task. »

  My recent experience, I think that there is a problem with this feature. If no job is specified, sometimes this VI will create a new task without problems, but other times it will overwrite an existing task, causing errors later when you try to reference the crushed tasks.

  In my code, I have 7 tasks, two digital (DIO), an analog to (HAVE) and four analog out (AO). One of the AO and the tasks of the AI does not use a task VI before the channel VI create. I recently added this AO task without creating a new task manually, based on the reproduction of legacy code for the channel of AI that also not create a new task. With two spots missing the task of creating VI, I found it fairly common (20% of the tracks) a further task would be crushed, causing errors when the task has been used, either be the wrong type IO, a wrong number of channels, etc. I think I saw this error until I added the second task without creating a task, but it's so rare that he didn't pay much mind, and I would just restart my VI. Now that was occurring more often, I've been tracking it. Simply by adding 'DAQmx create Task.vi' before calling Create Channel and the new task of wiring in the task, the problem seems fixed.

  It is easy to add to create a task to avoid this problem, but it seems to me that the detailed help for Create Channel indicates that it is an unnecessary step. Thank you.

  Hi MDI - AJT.

  This looks like a problem with the code you posted, by suggestion of Norbert. When you create the task handles, you should do this only at the beginning of your code outside the loop, otherwise you will create errors that you overwrite memory locations at each iteration. If you move your virtual channel calls create outside of your loops, and does not call the handle of the task to be authorized beforehand (and implicitly create the task rather than explicitly), then this behavior must stop.

  I recommend to try this with a single line, and not 7 DAQmx calls and follow the DAQmx architecture as seen in the examples under 'Help' "'find examples' and see if this behavior persists. Later architecture, I was not able to re-create this behavior.

  BeenCoughin

• Error-200431 occurred at .vi DAQmx Create Channel (I-acceleration-accelerometer)

  Hello

  I tried to use DAQmx Create Channel to accelerometer and yet it responds with error (see below). When I use max OR to measure the accelerometer (I-acceleration-accelerometer), there is no error, and I see that acceloremeter works.

  OR PXI-1042 and I use OR-4462 card to measure vibration vith acceloremeter.
  

  Error-200431 occurred at DAQmx Virtual Channel Create

  Possible reasons:

  Physical channel selected does not support the type of measure required by the virtual channel you create.

  Create a channel to a type of measure that is supported by the physical channel, or select a physical channel that supports the type of measure.

  Property: I. MeasType
  Requested value:
  You can select: sound pressure, voltage: Microphone, accelerometer, Position: Eddy Current proximity probe, Force sensor: IEPE, speed sensor: IEPE

  Task name: _unnamedTask<104>

  Hi serdaryilmaz,

  I'm not sure why the accelerometer mode does not work, but it works very well in normal mode - it maybe has to do with the accelerometer, you?  Whatever it is, if it works with the voltage mode, I am happy that we found a way to make it work.  Is this an acceptable work around you?

• DAQmx - create channels to channel-not found

  Hello

  I'm new to labview. So maybe my question is simple...

  I want to generate a signal. That's why I use the DAQmx-create channel.vi. I have, I've created a control to selected the channel, where the signal is generated. But no channels are found.

  I use 5412 PXI and my camera is visible in MAX. So I don't know what the problem is. Can someone help me?

  Thank you

  Ratta

  The 5412 is an arbitrary signal generator. It does not use DAQmx. It uses NEITHER-FGEN.

• What channel DAQmx property corresponds to "name" entry "DAQmx create Channel.vi?

  Hello people,

  I am changing a program, I have inherited so that it uses DAQmx virtual tasks rather than have the task and the channels created by programming of in the code.

  In the existing code, the entry 'name' on the 'DAQmx create Channel.vi' is wired with a value.  When you use a virtual task DAQmx, I do not use the 'DAQmx create Channel.vi', but I still want to set the values of the "name" in the code with the help of a property DAQmx node.  However, I can't find a property called "name".  Such a property exists with a different name?

  Best regards

  Chris

  
  

• If I replace the control with another why DAQmx create channel once complain a false claim?

  I tried to replace the frequency by another control in the example found here complete PWM:

  http://www.NI.com/white-paper/2991/en

  However, I get the following error message:

  

  Possible reasons:

  Requested value is not supported for this property value. The value of the property may be invalid because it is in conflict with another property.

  Property: CO. Pulse.Freq
  Required value: 0.000000
  Valid values begin with: 22.300000e - 309
  Valid values ending with: 20.0e6

  Channel name: Dev1/ctr0

  Task name: _unnamedTask<10>

  My wiring diagram looks like this:

  

  If I cancel my change (i.e. I have remove the frequency control knob and turn it over to the control of the example, it works perfectly.)  I get the waveform is displayed in the oscilloscope.

  My goal is to simply use a frequency and duty cycle control knob.  How can I achieve this?

  There are two things to do.

  What I think you did now changes the scale of the handle.

  You will also need to change the values that are allowed to enter. You will do on the data entry tab in the dialog button properti.

  Uncheck the 'use default', the Minimum value limits and Maximum identical to your balance.

  Value "Response to value out of range" Coerce to both Minimum and Maximum.

  I hope this helps.
  Let me know if you have more problems.

• Error 200077 (frequency) and 200452 (task control loop) error occurred DAQmx create calendar Source.vi

  Hello

  I'm trying to control the timing of a timed loop. So far, I have tried several approaches via the software and which worked very well except the time loop in some missed cases 1-2 Ms I want to make sure the timing is right. I tried to provide an external clock through the acquisition of data I. The system I use is NI USB-6212. It has two counters and DIO and AIO, but I keep getting errors. I tried two different approaches. One was to use directly the game 'DAQmx create calendar Source.vi' in frequency mode, and when I did, I got error 200077. Then I found a post of somone saying that sometimes it is not possible and an alternative method is to use the same vi but set task of loop control mode. This one gave me Error200452. For this one you will see in my attachment the suggestion was to use an AI then the moment of him and then use this task for Creat DAQmx synchronization Source.

  I don't know what the problem is or if I need to put something differently.

  Please let me know if you can help me with this.

  I'll try to continue to work on that, but if anyone of you a suggestion I'll be very happy to consider the issue.

  Thank you in advance,

  Best, Massimo.

  Massimo,

  In my view, the errors that you see are the result of your hardware USB-6212 is supporting the functionality of the task control loop.  I have a M Series PCI card that is capable of operating both of your screws attached without problem (although they still +/-1ms variation on occaision).  When I try to use a USB-6212 simulation, I get the same error codes that you do.  Unfortunately, it's just a case of a lack of equipment.

  Kind regards

• DAQmx create track (I-current-Basic) 8 channels with different values of Shunt resistance

  Hello

  I want to measure 8 current channels with different values of Shunt resistance.

  Problem: The channel create DAQmx (HAVE current Basic) specifies that a value of Shunt resistance.

  How can I set the value of Shunt resistance for each channel individually?

  Concerning

  Marcel

  Hi Marcel_C,

  Take a look to get attached.

  Best regards

  Mencef

• Sequence special error in DAQmx create raster scan with 2 Motors of stepper motors: Error Code 200088

  Hello

  I am trying to create a LabVIEW program that controls two bipolar motors to create a raster scan. I use DAQmx and Labview 2012 SP1 with a usb 6008. I got the engines to move in one direction, but when I try and get them to move in another direction in a separate task, I get an error-200088 code indicating that my task is not valid. This happens at the beginning vi to move the motor x in the opposite direction of the task.

  The logic underlying the program is as follows:

  1. move the engine x a certain number of steps to the right

  2. move the engine are a number of steps down

  3. move the engine x the same number of steps as 1 to the left

  4. get off the engine is the same number of steps 2

  5. repeat

  I can get the steps 1 and 2 work but I have problems with step 3. I use a stacked sequence to show the task for each step.

  I appricate all the advice on this topic as part of a final year project

  Thank you

  Aoife

  You can solve this problem very simply.  Move all DAQmx departure calls happen * before * the structure of sequence rather than inside.  Similarly,.

  move all calls to DAQmx Stop and DAQmx Clear happen * after * the structure of sequence rather than inside.

  I would sequence the DAQmx Write calls to write the bit of direction * before * writing the bit clock.   And I highly recommend that wire you

  to the top of your tenants error and outs so you can be informed of any errors in the DAQmx tasks.

  -Kevin P

• Synchronization of HAVE several devices in the PXI by the Sub - VI of DAQmx create channel

  Hello

  There are two PXI-6123 cards in the slots of the PXI-8109, and then I would acquire the simultaneous analog input signals.
  The manual of the PXI-6123 recommended with a common time as a master Timebase and base to the slave devices.

  However, I wonder if I can take advantage of the method as the accessory, including all channels to HAVE the devices in the physical channels to create.

  Does it work? How can I know what are the "some data acquisition hardware OR" in the passage of the attachment?

  Hello

  Please refer to this KB: http://digital.ni.com/public.nsf/allkb/78E44565FD87E7D686257108007F94F8. I think that you are good with your two PXI-6123 devices, if only you DAQmx 8.1 or later installed. If please come back and let us know your test result.

  Thank you

  Phil

• DAQmx create virtual channel (VI) error-229771 reports

  Hello

  When in a project that I am working to get error-229771 code whenever I try to run 'DAQmx create Virtual Channel (VI)' this does not happen when I create a vi not in a project.  The problem is that this project is very large and it if poster impossible to recreate. It's several hundred vi. Y at - it something that I missed in the forums and support that could explain this. I created the VI below in the project and outside the project. In the project, the error occurs outside the project, it runs without any problems.

  Message:

  229771 error occurred at .vi:1780003 DAQmx create channel (I-voltage-Basic)

  Possible reasons:

  Internal software error has occurred in the MIG software. Please contact the support of National Instruments.

  Task name: _unnamedTask

  Any help would be appreciated.  Thank you, Matt.

  LabVIEW version: 15.052(32bit)

  OR Max Version: 15.0.f0

  NEITHER DAQmx Verson: 15

  OS: windows 7 service pack 1

  PC: Intel Core i7-2600, 8 GB of ram

  Data Aquistion: NEITHER DAQ USB-6289 calibrated June 2015

  This code snippet returns the name of the first channel of analog input on the device first, and then tries to create a task for her. The bed of the canal, then close the task.

  

  Error message

  

  Hi Matthew,

  Thank you for following up after you fix your problem.  I'm glad to hear that you do not encounter this problem more.

  Here is an article that lists the reasons for this error (although unfortunately, I cannot pin down which is the exact cause in this case).

  http://digital.NI.com/public.nsf/allkb/03123D0E8A36C48E862577A4005B6BAA

  NOTE: This article specifies that the error occurs at startup task VI DAQmx.  You do not use the start task VI, so the task starts automatically in the DAQmx Read function.  The error will occur instead in the DAQmx virtual channel create, that you encounter in your error.

  I hope this gives you an idea about what could have gone wrong, and I'm sorry he is no more details.

  Good programming!

• Code error-229771

  Hello

  I've dealt with this problem with Technical Support, but I'm not getting anywhere.

  I searched and tried all the recommendations in the search results.  Here is my original question at the OR...

  ------------------------------------------------------------------------------------------------------------------------------------------------

  I encounter the error discussed here...

  http://forums.ni.com/T5/Multifunction-DAQ/MIG-Software/m-p/1046312?requireLogin=

  -229771-DAQmx create software (I-voltage-Basic) channel internal error in the MIG software.

  It is a runtime error, of course.  But the next symptom is present even before the race.  If trying to open any VI DAQmx or any VI containing a DAQmx VI, the façade opens as a blank white plate.  In this State, it can be closed, if the VI is manipulated somehow, all or part of the façade will appear, but cannot then close the VI.  VI (no answer) and LabVIEW is suspended and should be stopped. I made the investigations mentioned in the above discussion...

  Mxssvr service is running

  Process nixms.exe is not running

  NOTE: This error occurs only during execution of the Project Explorer.  I have
  can run the same main VI outside the Project Explorer and no symptoms
  are present and no error occurs.

  I use Windows Vista, LabVIEW 2009 SP1, OR-DAQmx 9.0.2 computer laptop HP with
  MXI - 4 SMU-1073 chassis interface, hardware DAQ NI SMU-6366.

  Before you uninstall and reinstall the driver OR DAQmx last resort, I hope it's something someone has encountered before.
  Also note that it seemed no apparent reason.  Last night, I was testing (development mode, not an executable) application without any problem; Today, I picked up the tests and had this error on the first run.  No activity LabVIEW or data acquisition between the two events.

  Thank you

  ROSC

  Software of OR:

  LabVIEW 2009 SP1 version

  Material of OR: Data Acquisition (and NI ELVIS) SMU-6366 multifunction device
  Driver version: NOR-DAQmx 9.0.2
  OS: Windows Vista

  -------------------------------------------------------------------------------------------------------------

  The first answer has recommended an upgrade to NI DAQmx 9.2, which I did - it did not help.

  The following recommended response that I did a clean uninstall/reinstall procedure (obsolete), I have tried. I was left with a non-working system, so I manually removed all (cleaning registry and files) to the best of my ability and re-installed LV 2009.  Despite removing the "thought" Installer LV was already installed and ignored the facility.  Windows displays not only any software from National Instruments in the programs and features (Add/Reomev programs), so I (several times now) used the Setup program to remove the installation, then re-install.

  When I do this, LV think he is corrupt and does not load.  But it cannot be deleted either (does not appear in the Add/Remove list).  In addition, there is no directory NIUninstall in the \Shared\ folder.

  Now, I have two problems.   The original one (maybe) and a corrupted installation.

  Please help me - I'm waiting for their further transmission of Technical Support of LV, but it is slow in coming.

  Thank you

  ROSC

  Hi Ron, I had the same "error 229771 - error occurred in the software MIG" what support 9.0.2 DAQmx and LabView 2009. Technical support NOR has accompanied me through all the procedures of Correction of the DAQmx Corruption and we reloaded LabView 2009 and all drivers DAQmx. None of this fixes the problem. One of the guys in R & D OR suggested that antivirus software may be the problem. I removed all of my McAfee Security Center software and the error message 229771 DAQmx stopped and my application of LV 2009 resumed normal operation.

  If you go to Microsoft.com, you can download Microsoft Security Essentials for free. This antivirus software is compatible with LabView DAQmx.

  http://www.Microsoft.com/security_essentials/default.aspx

• DAQmx (Version 9.1) Create Channel for accelerometer will NOT convert m/s ^ 2

  I use DAQmx create channels for accelerometer to get results in the unit (m/s ^ 2)

  It worked until DAQmx Version 8.9.

  Now, I tested it with DAQmxVersion 9.1 and the results are in g (not converted to m/s ^ 2!)

  I use wth .vi DAQmx Create Channel (I-acceleration-accelerometer) entries

  units = m/s ^ 2

  sensitivity units = V/g (there is no sensitivity unit V /(m/s^2) available)

  sensitivity sensitivity value in V/g =

  I have read the data with

  . VI DAQmx reading (analog 2D DBL NChan NSamp)

  In DAQmx<= 8.9="" the="" double="" numbers="" are ="" correct="" converted="" to="">

  but in DAQmx 9.1 not (values are in g and low by 9.81)

  My solution is the following change

  units = g

  sensitivity units = V/g

  sensitivity = sensitivity value in V /(m/s^2)

  Then the double numbers are not converted, but m/s ^ 2.

  And this work in all versions of DAQmx.

  The problem is:

  An older program that uses the settings of the first and tested with DAQmx<=8.9 will="" get="" wrong="" measurement="" result="" with="" daqmx="" 9.1="" and="" no="" error="">

  Peter

  Hi Peter,.

  I'm not in my office at the moment and I can't try it by myself, I have forwarded your request to one of my colleagues, I hope he will contact you soon.

  Sorry for the delay,

  Tobias

  The language of MAX settings depend on the regional settings of your Windows operating system. See the following page:

  http://digital.NI.com/public.nsf/allkb/9893C1767C93D20E86256F49001CDA92

  Kind regards

  Tobias