Measured by two unique settings complete with USB-6211?

Similar Questions

• Try to use the same pattern for more than two channels (CSR configuration) with usb 6000

  Hello

  I am currently trying to implement a LabView code to get readings of voltage using 5 different places at the same time. I want to only use the first location in the ground and get 4 measurements of voltage between the ground and each of the other 4 channels. I use a USB 6000 which, for now, allows me to use the same pattern for only two channels. Is it possible to use the same pattern for 4 channels?

  Thank you

  Maria

  The images do not explain everything. You must explain what are the sensors. I think you totally wrong on how they should be linked. CSR, all sensors must be a common understanding and the outputs not individual channels as I have already explained. If you are unable to do this, you should probably not use CSR and you have the wrong data acquisition device. If you want a side of a sensor as a reference, you need differential connections.

• measurement of current with usb-6009

  Hi, my name is hung and I am a student in electrical engineering... I'm doing a thesis that the project using Labview and acquisition of data NOR UBS-6009 to simulate the function generator, Oscilloscope, Digital Microsoft (DMM)... and now I'm simulating DMM. I managed to measure the voltage and resistance which i use voltage divider method, but I encountered a problem with the current measurement. The problem is the USB-6009 to measure use the current, it measures an incorrect value. I tried to use the current CQI 0-20mA Sample.vi example but it always measures an incorrect value. If NI USB-6009 supports for the measuring current? Is there a way to measure the currents using USB-6009? Please, help me. This thesis project is so important for me. Thank you.

  Hung,

  Since you are a student in electrical engineering, I'll show you how to know the answers to your questions.

  1. review the specifications for the USB-6009 case.  In particular look at the specifications of analog input.

  2. How would you measure current if you had only a voltmeter?  Use the same method with the USB-6009 case.  (Tip: apply the Ohm's law).

  General comment: when using any measuring instrument, always consider maximum permitted values at the entrances so that the instrument is not damaged

  and the measure is accurate.

  Let us know how you do.

  Lynn

• How to create a table with two unique columns

  How to create a table with two unique columns. I use the following syntax below and I get the error message such unique or primary key already exists.
  
  create the table COPQ_WORKCELL_GOAL
  (
  Type_id varchar2 (4) NOT NULL UNIQUE,
  Tyle_Location varchar2 (30) NOT NULL UNIQUE,
  Type_Description varchar2 (20).
  KEY elementary SCHOOL (Type_id)
  );

  Use 1 or the other column type_id;

  create table COPQ_WORKCELL_GOAL
  (
    Type_id varchar2(4),
    Tyle_Location varchar2(30) NOT NULL UNIQUE,
    Type_Description varchar2(20),
    PRIMARY KEY (Type_id)
  );
  
  Table created
  drop table COPQ_WORKCELL_GOAL;
  
  Table dropped
  create table COPQ_WORKCELL_GOAL
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    Type_id varchar2(4) primary key,
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• Data acquisition high speed (200 ksps / s) with pci-6224 or usb-6211 is possible?

  Hello

  I need assistance to complete a task.

  The task:

  Record a switch contacts twists every 5 microseconds (200 ksps / s).  DAQ cards I have at my disposal at the present time are PCI-6224 and the USB-6211. The two cards are rated up to 250 kech. / s. I only watch 1 channel that will monitor the voltage.

  Here are the settings I use:

  CSR

  Continuous samples

  Sampling rate of 200 kech. / s

  Analog DBL1 1 sam chan

  timeout of 10 seconds (Read DAQmx)

  The problem:

  (1) every time I try to taste 200 kech. / s I get an error that reads

  Measurements: Tried to read samples that are no longer available. The requested sample was already available, but has since been replaced.

  Increase in the size of buffer, most frequently the reading of data or by specifying a fixed number of samples to read instead of reading all available samples would correct the problem.

  (2) when you try to taste at a much slower pace of 50 kech. / s, the speed of the loop iteration is not realizing this speed setting.

  My question is this: are these 2 cards (PCI-6224 or USB-6211) DAQ fast enough at my request and I do something wrong? OR

  I use the wrong hardware to accomplish my task?

  Thank you in advance,

  Gerardo

  The number of iterations has nothing to do with the number of samples if you do it right. You specify the rate and the number of samples you want and number of samples returned. You DO NOT loop 200,000 times. If you ask for 200 000 s/s and 200,000 samples, you will get this number of samples every second. It's really as simple as that.

• Lack of charges, USB-6211 with linear gauge Mitutoyo (542 series)

  I use a USB-6211 box with a race of 10mm Mitutoyo Linear Gage (542 series, model LGA-110). The Mitutoyo has output similar to an encoder without the time by rev signal quadrature. (B has a phase shift of 90 degrees of A). Signals A and B are airline pilots. I have a k 2 5V to A resistance and another 2K to 5V to B, gives me a minimum of 0.05v and a maximum of 4.75V.

  The problem I encounter is that I seem to be missing certain counts that I can't always zero.

  I found that if I caress the complete range of meter and the return to zero in 20 seconds, I get a value close to 180 meter microphone. If I press the complete range of meter and the return to zero quickly in a second, I get a value close to 800 micrometer.

  If I caress the quick pledge on the compression and rebound more slowly, I find myself with a positive value. I caress the slow pledge on compression and quick on the rebound, I find myself with a negative value.

  As I said before, it seems miss me certain counts. With a pulse of each mic of 4 meters, it means I get only 2500 pulses per 10mm. This means that 10mm per second is only 2500 pulses per second. It seems slow for me, so I don't know what would be the problem.

  Does anyone have ideas for me to try?

  With this type of signal you should not missing any counts.  The time base on the box USB-6211 is 80 Mhz and therefore should have no problem to solve your two pulses per train.  I have a couple of steps that I would like you to try troubleshooting.

  1 to ensure that we plugged the inputs correctly to our DAQ hardware.

  2 ensures that we use both the non-reversed or two signals reversed.  Do NOT mix or 'type' of the signal.

  3 allows you to wire signals A and B in two inputs analog and we will try to read signals to ensure that the sensor is actually be set correctly by the sensor.  Be sure to taste pretty quickly--> 10 the frequency of the pulse train.  If you race through 10 mm in 1 sec--> 2500 pulses per second--> 25 kHz sampling rate.   Allows to check two things.  First we have a good TTL signals, and that we get the right number of charges.  If you reply to this thread plaese attach a screenshot of the present.

  4. we will try different encoder types x 1, x 2, x 4 in the DAQ assistant.  The x 2 and x 4 encoder allows the best sensitivity for small movements (which I'm not sure that it is the source of your proplem but it will be a good thing to check).  Types of encoder are discussed in more detail in the following developer area: quadrature encoder measures: How To?

  Let us know how it shapes to the top.

• Control with USB-6212

  Hello everyone once again.

  With USB-6212, the current maximum disk said is 2mA. Let's say I connect two resistors 10kOhms and 1MOhms top. That means an average of principle?

  This means that data acquisition does not have any potential to the terminals generate 1MOhms resistance?

  Am a bit confused.

  Will be grateful for your response.

  see you soon,

  Hi Navneet,

  The only improvement to the SNR you could really make once inside LabVIEW is to apply a low pass filter to eliminate noise unwanted high-frequency. Digital filtering however within the software always induces some delay of constant phase between the response of entry and exit due to the transformation. The entry may be delayed, while the treatment occurs and then superimposed on a graph with the signal for the purposes of the analysis, but this is obviously not in real time. Is that what you mean by a change to the phase of the signal measured?

  I've attached an example vi for you that shows how to use two different digital filtering of vi. Who is likely to be of interest is the zero-phase vi, which, as you should see overlays in phase with the original signal from the filter.

  I would like to know if it was the kind of answer you were after that, I hope it helps.

• Problems with audio/video streaming with USB devices on zero clients

  Hello:
  We are using view 6.1.1 in our environment and problems getting audio/video streaming to work well with the USB headsets, with zero customers.  Helmets are Jabra Link 360 and customers zero Samsung NC241.  Helmets are used as well for the phones to Jabber and also as audio device by default.   We started with the audio driver Teradici and everything seemed to work well, except that users could not answer calls on the headset itself with the button on the headset.  They were able to answer the calls of Windows though and the part worked fine.  In order to get the physical button to work, we had to first fill the USB receiver they use on the zero clients so that Windows will see as the device Jabra 360 and not the audio device Teradici.  Then we had the EHCI USB mode on them as well, and after that he started to work very well.  However, the helmets also serve as the audio device main as well as the communication (phone) device, with audio streaming continuously throughout the day.  With the current configuration, audio streaming will cut in and out during the day, and audio/video is not always to stay in either phase.

  I also applied the registry in this KB hack, VMware KB: improvement in audio quality when you use speakers or USB headsets with a desktop VMware view Horizon 5.2 , which helped clear up Crackle that we originally with the part phone headsets.  But there is still the issue of streaming audio.

  I wonder if the effectiveness of the bridging USB is not as effective and also is there a way to make this work better?  I read that the use of the pilot Teradici is supposed to help with audio/video problems, but do not know how that can be applied to USB devices as we use.  I've been reading upward on Teradici audio/video settings, but do not know where to go from there.  I was hoping that there are some best practices to use USB headsets with a view, but so far I'm not finding anything useful.

  For any help or suggestion would be greatly appreciated.  Thanks in advance.

  We were finally getting help by the people of Cisco after validation in the here and even open a support ticket with VMware, which was open for more than a month without will.  Where others try to implement similar, here are our findings:

  • Zero clients combine traffic USB and PCoIP.  It is not good when there is a lot of audio/video/USB traffic, especially the USB headsets that also carry audio softphone.  In our case, the USB traffic was so dense that it was causing audio and video become troubled and freeze and eventually cause the pcoip_server service to break in the virtual machine itself and cause the client disconnect.  The fix?  Don't use customers zero with USB phones software, they are not just designed for this type of solution.
  • Thin clients are much better designed for USB softphones.  In our case, we used the Cisco VXME client, which is the method of support for the use of Windows thin clients with the client of the Horizon.  There is integration between the two products that isolates the VOIP traffic out of the virtual machine and keeps it local on the client itself.  Regular audio and video traffic still go through the virtual machine using Teradici or VMware RTAV driver.

  Hope this helps others who may run this question.  One thing we did not try was a wired headset using the AV sockets on the zero client and Teradici audio driver.  This can work, but our needs here were the headphones must be bluetooth, so we were forced to stick with USB.

• OfficeJet 4500 Wireless - MacBook it installs with USB, but can't find it on the network

  Help! I just bought a new MacBook (OS 10.6.4) and try to use the HP Officejet 4500 Wireless with it. I bought the printer a month or two ago and it has been implemented on my wireless (a Netgear - WNR2000 router) and works very well with my old iBook G4 and the Windows PC at home. My new MacBook is connected to the fine of the Internet, but when I went to use the printer, it seems to install ok, make settings IP etc. of the printer on the network, but it's not far past. He says that the printer is "unreachable" or some such nonsense and refuses to see it on the network. I tried both with and without the CD installation, and after you have uninstalled the software HP to uninstall and reinstall in the system of preferences--> Print and Fax settings. But he only sees the printer if I connect it with USB, which goes against the reason for which I bought it.

  I ran the software update and it has found a new version of the software to download to the printer when connected via USB. But there seems to be no way to convince him to find the printer on our network wireless

  Any ideas?

  -Mary

  Wow - I solved the problem. How ridiculous of a solution is that?

  I saw a mention on another Board need to have a SSID for the network of less than 6 characters/letters to get the Mac to work with some other printer/router configuration.

  So I tried here - since I had a network SSID of 7 letters.

  (1) I went in my screen to config the router and changed my SSID to one that was only four letters. I also took the static IP address for the printer, I had just set up (so for those of you watching at home, ignore my comment on this tactic, it was a herring!) leave the settings as they were before I ate with it.

  (2) I then restarted the router, the computer and the printer.

  (3) I first put in place the new SSID on Mac (change the SSID of the router to the old password only left, so it was just a matter of returning the password on Mac, when it entered into the 'new' network). I checked this by seeing in screen config the router if the Netgear now he showed in his list of connected devices (it wasn't before, and I was suspicious that he was some other weird problem, if the Mac has used the Internet very well). He did it!

  (4) then I used the front panel of the printer to go into Options--> Menu Wireless--> Setup Wizard and configure the printer again on the new name of the network SSID. Then I went to the Options--> Print the report--> Config network. It would therefore be to print a page giving the State of the connection confirming that it was the network.

  (5) then I went back for the Mac and use it again the screen of the router config I confirmed that now the printer was also showing up on top of the screen of connected devices (it wasn't before, now she and Mac have been listed!). Then I opened system--> print and fax preferences and tried to add the printer again. This time he finds immediately on the network (using the so-called Hello?), and since I already had the software update (using the steps suggested above) that she already had the correct printer software to use. Wireless printing fine now... After all this noise.

  So, apparently, PrintDoc, you need to add a small little by this spiel you gave me above - to install a printer wireless on a new Mac with a working wireless network (at least one with a Netgear WNR2000 router), the SSID of the network should really be only a couple of long letters (4A worked in this case but not 7). Why, I have no idea. Ridiculous, like I said.

  Thanks anyway.

  I hope this discovery helps someone else too!

  -Mary

• Copy of complete site. I have a Web site. I would copy the entire site (complete with images) to another directory with a different name. Then, transfer to another hosting server. All ideas

  Copy of complete site. I have a Web site. I would copy the entire site (complete with images) to another directory with a different name. Then, transfer to another hosting server. Any ideas?

  Not sure that you need a different directory.

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  The first thing we often do when we * password lost Windows 7 * is to ask an it expert for help. However, it is only a moment for you * forget password Windows 7 * and it may take you several days to regain access to your system. Later, don't worry about anything when you forgot the password for windows 7. The article will give you some ideas for * reset password Windows 7 * with USB drive.

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  Step 2: Download Windows password of lifeguard and install it on a computer on which you have access.

  Step 3: Run the program and burn the ISO image to the USB Flash drive.
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  Posting of interest. Thanks for this detailed description and useful links.
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• STOR. E partner HARD drive does not work with USB 2.0

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  I tested it with two other PCs (NEC e DELL) and I didn't have any problem.

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• When connecting on MacMini, password is auto-complete with a myriad of points and is not the right password

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  I use this computer without problem for a few years.

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• T420s + Mini Dock Plus Series 3 with USB 3.0 90W - USB 3.0 works as USB 2.0

  Greetings!

  I'm probably not the first person who cares, but I did not find the same topic in the forum.

  I have T420s Lenovo ThinkPad Mini Dock Plus Series 3 with USB 3.0 plugged 90W. The problem, I USB 3.0 port on the dock (blue) work in USB 2.0. The port of the laptop works very well. I check it by plugging Seagate drive HARD mobile - when the HARD drive is plugged into the port blue station dock Windows (7, 64-bit) complains "device can run faster", using the port laptop does not trigger the message.

  USB 3.0 is installed.

  BIOS version is 1.37.

  Drivers Intel Chipset are updated.

  Device Manager displays the connection as a chain of two "Generic USB Hub, if the HARD drive is connected to the laptop port its chain of" Renesas Electronics USB 3.0 blah - blah ".»

  Help, please! If this combination is not supported, please point to the corresponding link.

  Thank you!

  USB 3.0 port on the dock is not supported on the T420s, it is supported only on T430s and later versions.

  http://support.Lenovo.com/en_US/detail.page?LegacyDocID=ACCS-Guide

  It allows to find the document listed in the link.

  I have the T420s and T430s with this docking station.