Primary control loop and loop DIO

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• 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

• external control loop

  Hello

  is there an effective way to control loop externally?

  If I try to control a while loop and my stop button is outside the loop it does not work.

  If I use the local variable inside the while loop, it works, but the execution of the loop is not fluid.

  is there a good way to control the loop from the outside?

  You can send an event of many different loops. You need to register in each loop. Once understand you how to use events, they are a very useful tool. There are examples here in the forum. If you need help to find let them us know and someone will help you find the refrerences.

• Closing state space control loop

  Hello

  I am a student MYSELF and has been assigned to a project closing a loop of a rotary inverted pendulum control.

  I have all the mathematical equations and state space design.

  I don't have any idea on how to apply the system in closed loop state space in Labview (10)

  any suggestion where start/examples?

  Thank you very much

  Gil,

  Hello Gil,.

  A great way to implement and simulate your SS system is to use the Module LabVIEW Control Design and Simulation.

  Here is a short list of references on modeling in LabVIEW

  Basics of Control Design and Simulation in LabVIEW
  http://zone.NI.com/DevZone/CDA/tut/p/ID/10685

  Tutorials for LabVIEW controls

  http://zone.NI.com/DevZone/CDA/tut/p/ID/6368

  Once you have installed module, it is an example of navigation in LabVIEW on the inverted pendulum.

  I hope this helps!

• How to properly temporarily disable all channels except one in the multichannel PID control loop?

  Hi all

  Help me please to solve the problem. How to correctly temporarily disable/enable all channels except one in the multichannel PID control loop?

  Thanks in advance,

  Oleg

  Hi Oleg,

  the entry "Car?" of the AdvancedPID is a table – as well as MS and pv entries.

  So what's the problem say - / allowing for a control (aka of entry) instead of all loop?

• Is there an easy way to add text to a chain control / indicator and keep the colors

  Hello

  Bassically I want to add text to a chain control / indicator without losing the formatting of the previous text.

  For a part of a program that I create, data will be transmitted to and from a serial device. I want to display this data in a chain control / indicator and change the color of the text of certain strings depending on data type (sent, received). Basically as a nice log window.

  

  At the moment, I update the chain control / indicator by reading the text and concatenated with the new string. However, this method removes the colors of previous text :-(

  Is it possible to add data to the control of the chain / indicator without losing the text previous formatting?

  I started to create a sub vi who reads a text both character and adds a new element in an array (offset color and text), if the color is distinguished by the previous character. Only problem is it seems to be quite time CPU.

  Thanks in advance,

  Matt

  MattB-5906 wrote:

  Is it possible to add data to the control of the chain / indicator without losing the text previous formatting?

  Actually, no. This means that you will have to use workarounds. Your workaround solution seems a bit involved. Basically, all you need to do is just to keep track of the pairs of end start/selection selection that must be colored in a table. Then just you loop in this table to color the text marked by the power positions.

  An alternative is to use a different indicator. Rather than an indicator of the string, you can use a table with a column. You can then set the foreground color on a cell by cell basis, and add a new line (row) will not affect the coloration of the previous lines.

• Control voltage and time

  Hello all ~

  I use the labview and NI GPIB-USB-HS card to control the Agilent N8736 DC supply.

  The goal: I want the output voltage 24V, then unmold to 9V, then mounted to 24V, the rise time and the fall time must be less than 10 ms.

  The issue: how to ensure the time of 10ms?

  I have download the Agilent N8736 GPIB driver on the web OR, and based on the model, I write the following program listed to fix, and the test result is also displayed.

  I can't ensure time of 10 ms, the time of the trial itself was more than 300 ms.

  Thank you very much ~ ~

  You may be able to get what you want with an additional power supply, a solid state relay and a DIO is timed material.

• Control SMART and short CIOS not installed? New notebook

  Hello

  My parents sent me the 4440 s of HP Probook. I turned it on and it was working fine. No problem at all, but the hard drive was very small. Only 59 concerts. So, I took the hard drive from my old laptop (which still works. 300 concerts) and put it in the new laptop. When I turned it on this pop up.

  HP PC Hardware Diagnostics UEFI

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

  Version 1.6.0.0 - BIOS

  then it gives me the opportunity to perform a verification of memory, hard disk check, language and output. Memory passes test, but when I do the hard disk (quick audit and comprehensive check) check it says controls SMART and short CIOS not installed.

  When I click on leave peripheral saus to boot not found, please install system of operating on hard drive.

  Here is some of the best. I took the hard drive out and put the new hard drive and little return in the new probook, and the same message appears. I don't know why. I can't figure out what it could be. My father-in-law has a good knowledge of computers, but unfortunately, on the phone it cannot be a great help.

  Someone save my new laptop beautiful!

  The diagnostic program has done a small partition on the hard drive to it. When you have removed it, so that has UEFI. You need to reinstall as the only one available is the one stored in the BIOS.

  Here's that and your BIOS update.

  This is for Windows 8.1 as you say this is a brand new, that is my logical guess.

  http://h20565.www2.HP.com/portal/site/hpsc/template.page/public/PSI/swdDetails/?sp4ts.Oid=5269090 & spf_p.tpst = swdMain & spf_p.prp_swdMain=wsrp-navigationalState%3Didx%253D%257CswItem%253Dob_125646_1%257CswEnvOID%253D4158%257CitemLocale%253D%257CswLang%253D%257Cmode%253D%257Caction%253DdriverDocument & javax.portlet.begCacheTok = com.vignette.cachetoken & javax.portlet.endCacheTok = com.vignette.cachetoken

  UEFI: http://h20565.www2.hp.com/portal/site/hpsc/template.PAGE/public/psi/swdDetails/?sp4ts.oid=5269090 & spf_p.tpst = swdMain & spf_p.prp_swdMain=wsrp-navigationalState%3Didx%253D%257CswItem%253Dob_125304_1%257CswEnvOID%253D4158%257CitemLocale%253D%257CswLang%253D%257Cmode%253D%257Caction%253DdriverDocument & javax.portlet.begCacheTok = com.vignette.cachetoken & javax.portlet.endCacheTok = com.vignette.cachetoken

  I hope this helps. I used the basic model for it, and it should work. If you have any problems, send the product so that we can check the cross. However, there should not be a problem.

  JHS

• How to: open the control panel and check if Windows Update settings in Windows 8

  If you're running Windows 8 and you are not sure if you get the latest updates and patches Windows updates then the following video should help. It guides you through opening the control panel and how to check your Windows Update settings.

  Remember, make sure that Windows 8 is up-to-date on your computer, you must have the latest updates of Windows installed.

  You may also need to make sure that your computer is updated the software and drivers for your hardware or to trobleshooting purposes make sure it isn't updated drivers for your hardware. Here is a video that will show you how.

  I hope everyone finds these helpful videos. If you have any questions leave a message below. Remember, it is advisable to have the active Windows updates, however, there are certain circumstances (for example, troubleshooting) disable it temporarily is a good idea.

• Space required on target RT for LabVIEW Control design and Simulation

  Hello

  I want to run a DLL file on an RT target using LabVIEW Control design and Simulation, but I'm not sure of the required amount of RAM on the RT-target. My RT-target options are respectively cRIO 9002 and cRIO-9004 with 32 and 64 MB of RAM. Is this a sufficient amount of RAM to run the simulation? ¨¨

  Thanks in advance

  This will depend on the size of your dll, the size of the rest of the code, you can create other necessary drivers/modules, memory use when your application runs, etc.

  9002 and 9004 have not a lot of RAM on them and the minimum software installation to run a control application Design & Simulation (CD & Sim) will take around 22Mo of it (the majority of RAM available to the 9002). It would be possible to run your application on these two controllers if you keep it small but it will depend on what you want to do.

• Live PID missing under Header Control Design and Simulation

  Hello

  I have currently the full version of the University of Labview 2009, but the PID screws are missing. I understand that they are under Control Design and Simulation, but there is nothing in this topic.   In addition, an image of my license manager OR is attached to show which is enabled.  Any ideas?

  Thank you

  The PID toolkit is part of the Developer Suite DVD.

  You have the following Professional Developer?

• There is no tools in the control design and simulation its Blanck

  There are no tools in control design and simulation its Blanck. I saw the same question asked before and found a solution that, if we install 32-bit labview then all options will be available. I installed labview of 32 bits, but the result is the same. Please help me thanks in advance...

  So yes, I think that it is possible to use this tool as a trial.

  but you have to install after installing LabVIEW.

• Control Design and Simulation Tutorial

  Hello

  I begin with a course that requires the use of the Control Design and Simulation functions. Before asking stupid questions, I want to see the hand on the tutorial, it is referenced in this white paper.

  http://www.NI.com/white-paper/5855/en/

  However the link to the tutorial ftp does not work, someone else has an alternative link, or could buy the tutorial directly.

  I appreciate any assistance.

  Kind regards

  Danny

  Try again... Earlier, I was able to download the zipped file

• Control design and Simulation palette is not displayed

  I'm using LabVIEW 2009 professional degree. I installed the Control Design and Simulation Module with its other tools required. The problem is that Control Design and Simulation palette does not appear in the Palette of functions in any VI. Please help me with this.

  Adeel Amin

  NED Université engineering & technology

  If you run the License Manager, expand LabVIEW2009 > Modules > Control Design and Simulation.Can you make sure you have this directory and what is the color of the cube just next door?

• My speakers on my Dell Latitude D820 suddenly emit only a low sound. I adjusted all the volume controls in the menu sounds from the Control Panel, and there is no change in volume.

  Low sound volume

  My speakers on my Dell Latitude D820 suddenly emit only a low sound. I adjusted all the volume controls in the menu sounds from the Control Panel, and there is no change in volume. It's real power radio on the internet and play music from a CD inserted into my machine. The sound icon does not appear in the toolbar.  I tried the fixit of automatic Wndows and it ran and said low volume has been set. Not the case.

  Hello

  1. what operating system do you use?

  2 did you change on your computer?

  Method 1:

  I suggest you follow the link and check.

  No sound in Windows

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

  Method 2:

  I suggest to follow the link and search for the volume in the taskbar.

  (a) right click on an empty area of the taskbar and then click Properties.

  (b) in the Notification area, click Customize.

  (c) select the volume see the icons and taskbar notifications check box, and then click OK.

  I also suggest you to follow the link and check.

  Change icons appear in the notification area

  http://Windows.Microsoft.com/en-us/Windows7/change-how-icons-appear-in-the-notification-area