cDAQ-9174 with modules 9225 and 9239 for issue of power measurements...

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• How to speed up loop DAQ triggered using NOR cDAQ-9174 with NOR-9215 and NOR-9402

  Hello

  I use LV2010 and NOR-DAQmx 9.2.2. I have a NOR cDAQ-9174 with a NEITHER-9215 4 channel 100 k simultaneous ADC and NOR-9402 4 channel DIO module trigger and reset.

  We run WinXP sp3 on a Dell M4400 core 2 duo @2. 26 Ghz.

  I used the code example NI DAQmx for acquisition of tension with trigger HW. My goal is to try all 4 channels on the 9215 simultaneously when a trigger is received on channel 0 of the 9402, after data is read, I use channel 1 on the 9402 to reset the trigger of the target material.  I have a version of this work, however the maximum event rate is ~ 16/second. I have the Setup 9215 for finite samples / 10 samples per channel which is ~ 400uSec of conversion time and I realize he is above in the appeal of vi, but ~ 50mSeconds worth?

  The target detector can put out up to 1 k / event triggers / seconds.  Only, I received a rate of 8 per second and I added the NOR-DAQmx control vi driver and chose "commit" this did double the rate.

  My question is what is the maximum rate of loop for these devices (trigger/conversion/reading device / reset) and start over? I noticed that just let free the 9215, carried out using the 'Acq & chart internal strain Clk' raised only the rate of events up to 20 Hz.

  Thank you

  normbo663

  Hi normbo663,

  You can get this works far better assuming you have an available counter (there are 4 on the backplane of the 9174).

  DAQ Compact supports the tasks of meter output "redeclenchables" that can be used to generate a finite pulse train.  You can set a task of finished meter redeclenchables output to be used as sample for your task of analog clock.  The task of the meter output will be re-Army (less than 12, 5-25 ns) as soon as it's finished out the last pulse.  The task of analog input would be configured to run continuously, but it would only sample based on the output of the meter triggered.  For an example, see here.

  You can reference the internal counters on the cDAQ without signals through a routing module using: cDAQ1/_ctr0 (right click on the chain counter control, then select i/o name of filtering and check channels internal to add these options to the drop down).

  Thus, with the tips above, you should be able to immediately re - arming your analog acquisition on the 9215 using one background basket counters.  It seems that the second half of the application is to use a second channel on the 9402 to reset the trigger of your DUT.  You can deterministically generate this signal so by configuring a 2nd redeclenchables meter out task (single pulse, but this time).  All you need to do is the initial delay on the appropriate value for your analog acquisition.  Trigger this counter on the same PFI line that trigger you your analog task from.

  Using counters to generate the signals you need in a deterministic way, the loop becomes is no longer a problem (as long as your input buffer does not overflow).  You may need to re-read several triggers at the same time for the loop to keep (for example to read 1000 samples each, which would correspond to 100 triggers 10 samples).

  Best regards

• I have copy of old tbird and seamonkey e-mail files with the files and emails for each. I need to add to new tbird install. can not find a way to do it. Help

  I have copy of old tbird and seamonkey e-mail files with the files and emails for each. I need to add to new tbird install. can not find a way to do it. HELP PLEASE. previous e-mail files are under mail then mail.earthlink* .net and each of the five mail .net is an email address I have. I can't find a way to identify each file by email to the specific email address (IE mail.my E-mail name.net) so I can copy the files and emails from the past to the email addresses now under tbird. previous installed e-mail identities may not be the current configuration of e-mail files in tbird. I think that I must be sure that mail.name.net matches the previous mail.name.net to be able to copy and paste the old to the new. is there a way to find the file name correct the old email and correspond to the new? all my emails very important information are mostly in the old mail electronic id and must be available in the identification of email again (but same) how can I do this?

  http://KB.mozillazine.org/Importing_folders

  Use this module.

  https://addons.Mozilla.org/en-us/Thunderbird/addon/ImportExportTools/

• I have the creative cloud installed on my computer with Photoshop, Illustrator and InDesign for when I used my free trials. I now have a job that allows me to have on my computer for free, however, I have a problem switching to work one

  I have the creative cloud installed on my computer with Photoshop, Illustrator and InDesign for when I used my free trials. I now have a job that allows me to have on my computer for free, however, I have a problem switching on behalf of employment. I've switched to creative cloud and now it of installation and update but due to lack of care and allow me to do something else. Help, please.

  log out and then back to your client application using the adobe for your subscription in cc id: http://helpx.adobe.com/creative-cloud/kb/sign-in-out-creative-cloud-desktop-app.html

• cDAQ 9184 with module NI9232 for sensor accelerometer and pressure

  I'm currently building a CompactDAQ system for measuring two signals: vibration and pressure in the duct system. The system will consist of the following elements: chassis, NI 9232 Module cDAQ9184. Accelerometer IEPE to measure acceleration (vibration) and pressure for the measurement of the pressure sensor. My question is: can I connect the pressure sensor in the NI 9232 module? I have found on the site OR that this module is designed for acceleration and offers a conditioning of signals and excitation for accelerometers but nothing mentioned about pressure sensors. On the other hand the site mentions NI9237 module as the best choice for pressure sensors. So can I just use 9232 OR both sensors or not.  Thank you

  Here's an IEPE (source of ICP (r)) of transducors pressure: http://www.pcb.com/products/browse_productlist.asp

  Kistler is another provider.

  To help choose - can you tell us more about what you are going to connect the sensors - what is the unit under test?

  What do you do in the hope of discovering or surveillance of the unit?

• Simultaneous release of digital waveform at different frequencies - cDAQ-9174 with two 9477 maps error-50103

  Hello

  I'm working on a project that requires two outputs digital signals at different frequencies. Frequency of the phase 1 is about 1 kHz and is modulated on and off to a pace that will change during the execution of the program. Wave 2 passes from 1 kHz to about 6 kHz while needing to be pretty accurate to the tenth of a Hertz.

  Initially, I tried to manage the simultaneous output of signals at different frequencies using a single task on a single 9477 daqmx in a cdaq-9174 chassis. As far as I know, the best way to get a specific frequency in a waveform output is to set the sampling frequency up to 2 times the frequency of the wave that is generated and generate a waveform that is given to each clock cycle. This works very well when it comes to a gesture, but I was unable to get the frequency of the modulated wave (wave 1) remains constant when the frequency of wave 2 modified or vice versa.

  I have a few other modules lying around (another 9477, 9403 and 9476) and I thought I would try another task running on a separate module. I find myself receive error-50103 message if I add these modules to my cdaq chassis and run one of the waveforms of a task set to run on the add-on. Is there a way to bypass this error? I guess it would cause by running two digital output on the cdaq-9174 tasks at the same time, but it seems to me that this wouldn't be a problem with an additional module.

  How can I have two outputs digital signals, running at the same time, maintaining their independent frequency frequency of the clock of the other sampling rate changes. In addition, because the wave 1 is enabled and disabled at a defined frequency, I use it to set the number of samples to write when you write a range of waveforms in the module (when generating these two waveforms on the same module).

  I'm sorry if the explanation was difficult to understand. I've attached an example of error 50103 lifting. This isn't really a part of my project as a whole, but it is the easiest way to reproduce the error.

  Thank you

  Hi awol.

  I have a follow up for you. You encounter the error because the cDAQ chassis has only a timing engine of. You will not be able to perform simultaneous tasks of the call by the hardware. Please see the following knowledge base: http://digital.ni.com/public.nsf/allkb/5E0B829E50ADE1BC86257AC50062B2D2

  Mike

• Increase the frequency of sampling on the cdaq 9174 with neither 9212

  Hi all!

  I am trying to increase my sampling rate on my nor 9212, that I use with a cdaq 9174 and LV 2015. Apparently, the sampling frequency depends on the time of conversion and can be changed between the high speed, the Best 60 Hz rejection, best 50 Hz rejection, and high resolution. (see http://www.ni.com/pdf/manuals/374358a_02.pdf, page 6). My maximum sampling frequency is 1.8 Hz, which indicates the use of the mode of synchronization of high resolution

  I found this documentation explaining how to change with a crio:

  http://zone.NI.com/reference/en-XX/help/373197D-01/criodevicehelp/cRIO-9212_rt/

  However, I can't change it when the module is not in my project with my cdaq. My question is: How can I change the conversion without a crio time?

  Thank you very much!

  X0N0

  Hi X0N0,

  There is a DAQmx property for this:

  

  You are welcome!

• First it is possible to connect a cDAQ-9174 with a NI TPC-2206 or the NI TPC-2212?

  Hello

  First it is possible to connect a USB CompactDAQ (cDAQ-9174) in a port USB of the TPC-2206 or TPC-2212? ¿Did you try someone before?

  Thank you.

  Hello

  It is possible, Windows XP Embedded provides users the ability to develop on a desktop PC and quickly deploy to an embedded target. With NEITHER-DAQmx on Windows XP Embedded, developers will have access to common programming languages such as C++ and .NET.

  follow the link corresponding to your request: http://www.ni.com/white-paper/7757/en

  Best regards

• Satellite P300 - stuttering with new BIOS and drivers for sound card

  I have Toshiba laptop Satellite P300 (PSPCCE) with Vista and the latest patches installed.
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  > btw. There are 2 audio drivers to download site, 4.36.10.0 the 25.05.2009. but the file is named 20081201122001 sounds. ZIP and 4.83.1.0 as of the 07.05.2009. named sound - 20090507143928.zip but with a date more recent AI apparently from 2008.
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  With regard to the system of freezing for a second or two:
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• Facing problems with Windows Update and other performance issues.

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• Windows 7 starts problems with black screen and the cursor because of power failure

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  When starting my laptop Asus N81VP, he'll go as far as the 'Starting Windows' logo, then I meet a black screen with a mobile cursor. I don't then right click, CTRL + ALT + DELETE.

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  You seem to have exhausted most of the options available in such cases, except two:
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  Best,

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  Fixed a problem!

  The BIOS update was necessary. Now I got it all work! I was wondering if it might affect when I saw earlier. I got it. Thanks for all the help.

  Now, I'm trying to solve the problem of Win 7 explorer.exe suspended due to a 3.9 GB tif file...

  Thanks to you all.

  Best,

  Max