How to give input to the DAQ card three times

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• Acquisition of data using the DAQ card

  Hello everyone

  I need assistance with the acquisition of data of the generator of signals through DAQ cards. I plugged the signal to the SCB-68 generator where the analog inputs of the generator are connected to AI CH5 and AIGRND of the Terminal Board. Then the output of the block is connected to the DAQ card. The maximum sampling frequency of the card is of 250 kech. / s. The problem is for reason that I am not able to see the waveform on the labview. I looked at other examples to find the problem, I am, but I am not able to understand this. I want to be able to choose the sampling frequency. I attatched my code as an attatchment for you all to help me know what the problem is. Any suggestions will be appreciated.

  There is no task!  You have not specified any hardware (i.e. your data acquisition card) anywhere.

  Here's a suggestion.  MAX aperture.  Find your DAQ hardware.  Open a Test Panel.  Implement a continuous sample of N Points to some sampling rate.  Press Run and convince yourself that you get the data.

  Now, while remaining in MAX, to create a task, using the same settings.  Call for example something sensible ("MyFirstDAQTask" is not a good reputation).

  Now, go back to your code.  Eliminate the first two functions DAQmx.  Wire a constant task to the DAQmx Start feature.  See the little triangle down?  Click it, and it should show you the tasks he 'sees', the only one should be the task that you created in MAX.

  Note that 'Samples Visible' is now 'hard coded' in the task.  To get its value back out, you need to put a property node Timing DAQmx after the task start and pull on the quantity of the sample, samples per channel (which, for reasons that escape me, is a Dbl, you need to convert to an I32 before importing it into the while loop).

  Bob Schor

  P.S. Thank you to join your code.

• How to put photos on the sd card and place it on a slide photo?

  * Original title: photo sharing

  How to put photos on the sd card and then place it on a photo slide7D

  Hello

  Please contact Microsoft Community.

  Insert the SD Card/Memory Stick in your reader of media and go... Start / computer.

  The drive should be recognized as one or more removable disks and
  each will have a drive letter.

  Example:
  Removable disk (e :))
  Removable drive (g)
  Removable disk (h :))

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  Card/Memory Stick.

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• Recommendation for the DAQ card

  Hi guys, =)

  I m currently developing a project in a gas control, where I need Messure tempertures and be able to open and close a valve.

  My implementation are 4 termocouples and 4 relays to turn off the valves and...

  I was hoping if someone could help me choose a card of data acquisition for two things. where she has 4 analog for

  thermocouples and 4 digital (5v) output 4 relay. and be able to use them on the same card DAQ, USB PCI o preferably. or

  use a map of data acquisition for entry and one for exit.

  Thermocouples type K are...

  TNX in advance...

  Sincerely

  Luis Alonso

  Hi Luis,.

  How current are required by the relay? Is the combination of a cDAQ-9174and NI 9211 , NI 9401 sound like it might meet your needs? You can also focus on devices that have integrated relays, such as the NI 9481 or PCI-652 x.

  Brad

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  This setting is controlled by the driver of the software or the hardware itself and it cannot be changed. However, you really don't need to worry; If more RAM is required (almost always because of the game) it it will get to the need.

• selection of the daq card to get the angular position of 6 motors with encoder

  can you suggest me best daq card to use 6 positions of engines as outputs using encoders attached to the engines. I'll use single window for each engine. Or what can I use a single window for all the coders of engines?

  Hello Prabhakar7117,

  You need a counter for each encoder. Because you are going to use 6 encoders, you should get a DAQ hardware with 6 or more counters. Take a look at the PCI-6624 or PCI-6602. Another option would be a CompactDAQ chassis with modules that are able to access counters. Take a look at them.

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  PCI-6602

  KB which cDAQ Modules can be used to access the counters of the shipped?

  Best regards

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• Average value in a second a series of signals from the DAQ card

  Hello

  I'm trying to average signals in one second of my DAQAssistant.I am using a shift register to add all signals in a second interval and then dive out of the turn register by the number of iterations of my time loop (which I think should be the total number of samples per second-1). But when I studied the value of i from inside while loop by placing an indicator it always returns a value that is equal to my (sampling rate of DAQAssistant) / Samples as follows. This means that the average value I get something wrong, it is the average value seems within the reach of the signal I get.

  I wanted to use an array to store all the signals in a second, but I might have to increase the samples up to read the value in this case it will not be a very efficient way to store 500 data in a table.

  Any reclassification help how to get mean value over a cycle would be greatly appreciated.

  Thank you

  This is because an iteration of the loop returns a type of dynamic data that is under the hood an array of 100 samples.  The loop runs 10 times because you stop the loop after 1 second, only lasts only 1/10 of a second because she the 1000 Hz divided by 100 samples.  That's why I + 1 is equal to 10.

  Now you have 10 bays (buried in the dynamic data type) added.  Divided by 10 gets you the average of these 10 tables.  But this average is always an array (buried in DDT), but when connect you up to the average indicator, is to return only the first sample of average average array which is why your average seems essentially functional.  However, the averages of the other 99 data points (x iterations of the loop 10) are lost.

  You would be better off away from the DDT.  Just work with arrays.  Add the 10 tables to each other.  Now, you'll have an array of elements of a thousand that you can all wire to the average function in the range of statistics.  You won't have to worry about count the iterations of the loop, in summary and dividing.

  

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  All I have to do now is read the entry about the event draw arbitrary data. But there is not the input on the draw event pointer. So I called the PF_CHECKOUT_PARAM() function to get the input data, and it works!

  When I test in AE, I created a layer A, and added some color correction effects to the layer before my effect added A layer. The problem is the input layer that read my effect is not the result of the previous effects that I applied before.

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  Hello
  
  Could you help me by giving subsidies on the packages belonged to another apps schema.
  
  to give the grant that we can use to either run or debug, but I'm not sure that him on the behaviour of this donation.
  
  (1) if I give subsidies to the parcel if it may harm data or objects associated with this object IE apps.
  
  The user who got grants on these packages if it executes this package - make changes in the environment.
  
  with respect,
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  Published by: SuryaSrinivas on June 30, 2009 02:31

  Hello

  I think that it should run no problem granting privilege on the packaging of custom schemas apps. However, you must give approval with cautious execute as account APPS is a powerful user and you need to know the implication to give privileges to other diagrams.

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• How to change and synchronize the capture of three cameras in LR5 time?

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