USB-6008 turning outputs ON and OFF

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• USB 6008 digital output signal

  I am VERY new to LabView and have been racking my brain trying to get digital output of my USB-6008.  All I want is to be able to get a signal of + 5 V of my digital output when I click on a button.  This signal opens a valve on a system I see so when it is pressed, it must stay open until I press the new button.  It seems simple enough to me, but I'm not too familiar with LabView.  Help, please!

  Stripling07

  You must first take the LabVIEW tutorials and then look at the links to get started with DAQmx .

  The simplest program would be with the DAQ Assistant. Drop it on your schema, and then select digital output > digital line. Select the line when the wizard has completed, click OK. Wire a Boolean value in a table to build and the output of which is connected to the data entry. That's all. You can test the output of MAX (Measurement & Automation Explorer) with the test Panel. Do NOT test with your connected tap. Your valve may require more current that can provide the 6008.

  

• NEITHER USB-6008 connect to thermocuples and pressure sensors, control valve

  I am endevoring to build a gasification plant biomass for bench scale test process control plans. NEITHER USB-6008/6009 will be adapted for use as a data acquisition. I'll take RTDS, thermocouples and pressure sensors. I don't want to use industrial automation controllers.  It is also possible to use the channel of analog output for sending signals to a control valve position (using sufficient current/voltage between the two drivers).

  (1) OK.  I just wanted to be sure that you were aware of the potential dangers.

  (2) an RTD is a resistance that has small changes in resistance per degree of temperature change. To measure that you have need of a current source and a sufficient resolution in order to detect small changes.  At 25 degrees C a typical RTD is 109,73 ohms and resistance ohms 0.38 per degree changes.  If you had 1 my crossing this RTD voltage through it would be 109,7 mV and the voltage change of 0.38 mV by degree.

  The resolution of the 6008 on the most sensitive range is 0.49 mV > 1 degree.  The accuracy of the 6008 is 1.5 mV typical.

  For a Type K thermocouple, voltage at 25 degrees is 1.407 mV and change by degree is 39 µV.  Millivolt solving half of the 6008 translates into about 12 degrees.

  If you need a source of excitement for RTD and a kind of amplification for thermocouples and RTD before she would make any sense to try to use USB-6008.

  (3) I have not used anything except LabVIEW with DAQ devices and drivers.  I think DAQmx can be used with MATLAB and other languages.

  (4) the 6008 is the low range made by NOR. You will need to go to a more expensive camera or add signals conditioning circuits.  Talk to your representative OR assistance in the choice of a suitable device.

  Lynn

• How to turn power on and off with the mouse 6000

  I accidentally turn on the Magnifier and don't know how to get out...

  Hello

  Click on start - go to the ease of Panel - easy access - from the center of control - make the computer easier to see - now uncheck turn on Magnifier - to finish click on apply.

  http://www.Vistax64.com/tutorials/125037-Magnifier-turn-off.html

  also read the tutorial above while turning the magnifying power.

• HP LJ 200 noisy m251nw the turning power on and off

  I have two printers laserjet and old and new.  The new one seems to work fine for printing, except that it's much noisier than the old for a few seconds during start-up and shut down.  The old man is a laserjet 6 p, and he never makes almost no noise, so I was just wondering if the series of POP or click I hear is normal, whenever the m251nw laserjet 200 turns or off.  I think it's maybe normal is always the same noise, but I've always wanted to post on this topic to be sure.

  Thanks for providing the mp3 of the printer in the market, Hythloday.

  I found the Laserjet 200 M251nw in one of our labs and it is that same exact sound turning on the printer and turn it back on. If I like it's a normal noise since both units are the same.

  Thanks again.

• U2414H randomly turning power on and off

  Hello

  I bought my U2414H (Rev.) A00) in March 2014 and after a few days he began to morph randomly, sometimes for a few hours. Sometimes days would pass without it switched off voltage, but most of the time the screen turns off during the night, while in stand by. I know that it is a common problem with the U2414H and I want to know if Dell has found a solution to this problem other than the monitor. I love the photo of this unit and I would not return, especially knowing that I get a refurbished.

  Thank you!

  I can't speak for the other actions of countries. I know that in the USA, all stock A01 (cut into date 18/03/2014) should be fixed for that matter. You will need to contact Dell Customer Service to your country to organize an exchange of monitor. Provide the following data =.
  E-mail address:
  Name:
  Shipping address:
  Phone number:
  Monitor order number:
  Monitor 20 serial alphanumeric digits:
  Problem: Hardware failure causes a power/Black screen/switching off questions
  Policy: A new scholarship will be issued for users still inside the first 30 days following the date of the invoice. An Exchange used/refurbished will be issued for users outside the first 30 days of the invoice date

• How to connect my potentiometer (3 connections: wine, Vout & amp; common) to USB-6008

  Hi looking for help connect my knobs to my DAQ USB-6008. Essentially got some linear and chain of pots that will be connected to the fitting of the parts to give a linear movement of DC output voltage. Got DAQ USB-6008 DC output read and display in LABview.

  The pots have 3 electrical connections:

  1 input voltage

  2. output voltage

  3 common

  Entry and common connections are connected to my power supply DC leaving a single output voltage wire.

  1 should I connect DAQ in premium or CSR mode?

  2. as I have only a single output connection (as input and common are atttached to food) what can I connect to GND mode CSR (or the terminal for the differential mode - ve)? Can he remain unconnected?

  3. do I need to connect anything to the output of data acquisition channels? or data acquisition will read my entries and display them in LABVIEW?

  Excellent. Thanks for your reply. Think about it, as I have many pots to connect up to this unique DAQ so if I use the DAQ outputs to power pots, then I would be limited to two pots on the DAQ specification?

  If I use the other method and hang the pot common and input for external power supply-/ + terminal and the hook to the top of the pot then you suggest also, I need to pin 1 ground output to the AI1 on data acquisition. What is all the Earth? What do you suggest as a land? If I go down this road then allow me up to 8 pots on this data acquisition? (And I guess each other the GNDs would also need to be connected to each other input used?)

• Re: Satellite L750D - touchpad turns on and off by itself

  Hello

  I have two cell phones L750d one of them works fine but the other is the touchpad with disable and enable himself every second or so, tried touchpad update drivers, tried to take out the battery and pressing the power on button for 30 seconds and a few other options that people talk in the forums. So far, nothing has worked and the touchpad can still turn itself on and off itself.

  Any help at all will be greatly appreciated as it is driving my crazy wife and she is constantly using my laptop which is driving me crazy.

  You can completely disable using FN + F8 key combination?
  Are you using the original pre-installed OS that you got with your laptop?

• fiber optical sensor su19 110 115 a 126 vs nor usb 6008

  Hi expert... I am looking for idea or help on my project. I try to get the measure of mention nor USB 6008 sensor output. In fact, I'm new with nor peripheral usb n still study n the search on internet or n. forums I found an idea to connect the sensor by aoi, but I can't seem to get a measurement any. Is the sensor can connect directly to the device usb or need some custom wire diagram between them. Thanks in advance

  First of all, it is useful if you name the manufacturer of the sensor. A single part number means nothing to most of us.  You use the sensor fiber-optic Pepperl + Fuchs? Even better is to display the technical/manual plug of the sensor or links to them.

  The data sheet that I found for the sensor to Pepperl + Fuchs is not very well written, in my opinion. It seems that the outputs are impulses with dependent amplitudes of the voltage and the frequency or the timetable set by the mode of operation.

  If it's the device you use, the only way you have any possibility to decode the outputs with the USB-6008 box is to measure with an analog input and then process the data in the software. According to the supply voltage, you will probably need a voltage divider to reduce the output voltage of the sensor to a level compatible with the DAQ hardware.  You also won't be able to use the high speed of the probe because the heart rate exceeds the Nyquist limit. In standard mode, you mighte be OK, but you can use a single channel of the USB-6008 to stay in the Nyquist limit.

  Lynn

• Can I use five differential signals analog usb 6008?

  Hello!

  I have the USB-6008 housing with one and two potentiometers temperature sensor (and one meter and digital input is also beign used).

  I've only got analog +-left slot but I still need to connect the voltage and current signals of a diet. Is it possible to have both connected somehow to the last + slot?

  If it is not possible what harware would you recommend instead of the 6008?

  6211 next best step up that gets you more AI.

  Alternately, you could just put a 2nd 6008 in the system... certainly cheaper than a 621 x.

• Want a ramp of output voltage over time and measure input 2 analog USB-6008

  Hello

  I want to produce an analog voltage output signal that increases over time with a certain slope, which I'll send in a potentiostat and at the same time I want to read voltage and current (both are represented by a voltage signal) that I want to open a session and ultimately draw from each other. To do this, I have a DAQ USB-6008 system at my disposal.

  Creation of the analogue output with a linear ramp signal I was possible using a while loop and a delay time (see attachment). Important here is that I can put the slope of the linear ramp (for example, 10mV/s) and size level to make a smooth inclement. However when I want to measure an analog input signal he's going poorly.

  To reduce noise from the influences I want for example to measure 10 values for example within 0.1 second and he averaged (this gives reading should be equal or faster then the wrong caused by the slope and the linear ramp step size.) Example: a slope of 10 mV/s is set with a 10 step size. Each 0.1 s analog output signal amounts to 1 mV. Then I want to read the analog input in this 0.1 s 10 values)

  Because I use a timer to create the linear ramp and the analog input is in the same loop, the delay time also affects the analog input and I get an error every time. Separately, in different VI-programs (analog input and output) they work fine but not combined. I searched this forum to find a way to create the ramp in a different way, but because I'm not an experienced labview user I can't find another way.

  To book it now a bit more complicated I said I want to measure 2 input analog (one for the voltage of the potentiostat) signals and one for the current (also represented by a voltage signal) and they should be measured more quickly then the bad of the analog signal. I have not yet started with because I couldn't read on channel work.

  I hope someone can help me with this problem

  An array of index. You want to index the columns for a single channel.

• How can I turn the power on and off NI 9263 voltage output using a distribution channel?

  LabView 8.6

  cDAQ-9172

  NOR-9263

  I used the simple fan control - but can it be modified to turn on and off via a channel instead of a button.

  In other words for example 5 seconds now and 10 seconds off the coast.

  I would also be adjustable.

  Hi Helpme9211,

  Try it please change as my attached screenshot.

  Sincerely, Kate

• USB 6008 - how to display the two position linear pot (mm) and output (volts) in LabVIEW?

  I have a USB-6008. I have a linear potentiometer attached to the USB DAQ. Now I can view the output voltage of pot in LabVIEW through the AI0 on USB DAQ channel. However, I would also like to be able to show the position of the stem of the linear potentiometer (mm) that generates this tension. can anyone tell how to proceed?

  Since there is no lag, just use wired the primitive multiply with a constant of 20 to one of its entries, thread the other entry to your reading the voltage. Wiring of multiply it to a digital display to show location output.

  -AK2DM

• DAQ USB-6008 will be able to power and record voltage for UMS T5 blood pressure at the same time?

  I would use my NI USB-6008 to power my blood pressure monitor UMS T5 (http://www.ums-muc.de/en/products/tensiometer/t5.html) but also to take readings of it, but I don't know if it's possible to do it properly. The power supply for the instrument can be as low as 5V, I can easily get the dedicated + 5V channel. I'm able to feed the instrument and connect it to an analog input on the 6008 and measure a voltage in differential mode. However, when you read the documentation of support for the instrument, I find the following:

  "Potential pitfalls of data acquisition: the pressure transducer is configured in a full Wheatstone bridge, the input voltage and mV signal output can be connected to the same reference (mass)." Therefore, the mV output signal can be measured using a differential voltage measurement. Therefore, do not make an asymmetric measure of pressure transducer mV output. "(http://www.decagon.com/assets/Uploads/MeasuringUMSTensiometerswithnon-UMSControlandDataAcquisitionSystems.pdf)

  My understanding is that the 6008 can take a differential measure if I attach the signal '+' and the signal "-" to the analog inputs of positive and negative terminals. However, it seems that all the ports of ground on the 6008 are grounded to the same reference, which would make my measure of invalid tension according to the above paragraph. So my real question is: if I try to record the voltage with one of the analog inputs on the 6008 in this way, is the valid measurement? Or I need to find a separate power supply, with a different reference field to ensure that the measure is accurate?

  The technical details of this device is very poor. The manual is not much better. Companies that want to sell scientific equipment should publish decent cards or get out of business.

  In section 3.4.3 General requirements the device is described as a "bridge not amplified circuit.  This information along with the impedance of the bridge should be in the specifications, because it is essential to apply the device under any circumstances other than the nominal behavior in 10.6 V.

  The answer to your question is:

  You can use it with the box USB-6008.  The 5 V supply will result in output voltages a little less than half (5/10.6) the voltage specified in nominal conditions. You can use the differential input mode on the box USB-6008.  The absolute input voltages will be approximately 2.5 V with the 5 V power supply. This voltage is in the range of the aircraft. The differences are likely to be less than 100 mV. The resolution of the USB-6008 on the + /-1 V is located about 0.5 mV so your resolution of pressure will be about 1% of full scale. The voltage input impedance and termination of the USB-6008 will present a few errors.  These can be in the order of 5 to 10%. I can't predict much better without the missing bridge impedance specification.  These errors should be relatively constant and systematic. A calibration of the whole system - sensor and together hardware DAQ should allow you to compensate for a large part of this error.

  Lynn

• Input/output USB 6008 test failure

  OK I am posting this for the third time, but whenever I go back to the home page of the forum, I'm not able to find my post. If by chance I created duplicates than apologies.

  IAM in train to test the USB-6008 case I just got and decided to hang the analog of the analog inputs and see using labview VI.the wiring was done as:

  http://i284.Photobucket.com/albums/ll5/bigdawg6/USB%206008%20wiring_zpss2b7hql9.jpg

  the problem is that the labview VI did nothing, so I go to NI Max and try to see in test panels. But I get 1.4V constantly my same analog input value when I'm changing my analog value:

  http://i284.Photobucket.com/albums/ll5/bigdawg6/AIO%20screenshot_zps9beiimbj.PNG

  the analog output works very well since I plugged it to my multimeter and I can see the tension that I see on this Panel of test:

  http://i284.Photobucket.com/albums/ll5/bigdawg6/AO0%20screenshot_zpsqpei37bw.PNG

  I created an entry/exit of the tasks; screenshots of them are:

  http://i284.Photobucket.com/albums/ll5/bigdawg6/task_ao_zpsykmvczew.PNG

  http://i284.Photobucket.com/albums/ll5/bigdawg6/task_ai_zpsix5se9yg.PNG

  I am quite frustrated with all this since I'm unable to access my actaul draft. I know that 1.4 V value is from the device itself; as in the manual it says 'internal resistance divider can cause the Terminal to float at about 1.4 V when the analog input terminal is configured as a CSR', but the funny thing is that I use it in differential mode so I don't know what to do and any help is appreciated.

  BTW, I did a google search and there are other tutorials onlune who seem to do exactly what I do and they seem to work very well; so I don't know what else to do.

  Please don't host images on some odd third-party site. Attach them to your message.

  I don't understand what you've done. The 6009 can produce only a signal of CSR in order to set up the differential input makes no sense. If you want to measure something different, try a simple battery.