Output of PID VI looks to On / Off signal

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  Refer to the following articles. The steps of troubleshooting in these articles may help you resolve this problem.
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  Arctic_Fox wrote:

  So PID vi:s remove from the state machine, placing them inside the while loop that surrounds the state machine and leaving all necessary writing DAQmx-functions inside the race and the States Acquire would make corrections on the positions of the valve only on those two States. Right?

  It is a good idea.  I leave the DAQmx functions outside the state machine as well.  If you need to write a fixed value for the outputs when the PID is not running, use the PID that you already have to determine the value to write (output PID or anything else) on/off switch.  In addition, I would make sure the reset of PID entry is true whenever the PID is not running.

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  I try to use USB 6501 or USB-6525 out of step motor signals which command the stepper motor. My questions are

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  Ed. One thing that happens, there is no noise at all and clicking on the loudspeaker in the toolbar Gets a message saying that no audio output device installed... However every now and then it turns off a very high-pitched...

  Hi Bravoman352,

  I suggest you try the following steps:

  Step 1: System Restore: System Restore to put the computer's system files to an earlier point in time.

  Look for the steps mentioned in the link below.
  http://Windows.Microsoft.com/en-us/Windows-Vista/what-is-system-restore

  Step 2: You can follow the steps in the link below by HP

  http://h10025.www1.HP.com/ewfrf/wc/document?LC=en&DLC=en&cc=us&DocName=c00817052

  Step 3: Check in the BIOS (basic input-output system), if the devices are turned off.

  You can restore the default settings of the BIOS, please check with the manufacturer of the computer before trying this step.

   

  Important: Change (CMOS) BIOS/complementary metal oxide semiconductor settings can cause serious problems that may prevent your computer from starting properly. Microsoft cannot guarantee that problems resulting from the configuration of the BIOS/CMOS settings can be solved. Changes to settings are at your own risk.

  If the problem persists, contact HP for assistance

  http://welcome.HP.com/country/us/en/contact_us.html

   

  Thank you, and in what concerns:

  Ajay K

  Microsoft Answers Support Engineer

  Visit our Microsoft answers feedback Forum and let us know what you think.

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  Hello
   
   
   
  Method 1.
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  Update your sound driver in Device Manager:
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  e. right click on your Audio Controller, and then click Properties
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  For more information see the links below:
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  Automatically get recommended drivers and updates for your hardware
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  Method 2.

  For more information see the articles below:

  Connect your computer to a TV
  http://Windows.Microsoft.com/en-us/Windows7/connect-your-computer-to-a-TV

   

  No sound in Windows
  http://Windows.Microsoft.com/en-us/Windows/help/no-sound-in-Windows?T1=tab02

  I hope this helps.

  Thank you, and in what concerns:
  Shekhar S - Microsoft technical support.

  Visit our Microsoft answers feedback Forum and let us know what you think.
  If this post can help solve your problem, please click the 'Mark as answer' or 'Useful' at the top of this message. Marking a post as answer, or relatively useful, you help others find the answer more quickly.

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