Precision in the reading of temperature PT100 and Module of NI9219

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• Measuring temperature pt100 9219 module

  Hello

  I have a temperature PT100 probe three sons on the "input analog of the NOR 9219." I created a task with a maximum I the right temperature on the chart drop-down test. Room I displays the value of this task in Labview through Daqmx lire, and there big problem: I have a disproportionate value. I have probably a problem of scale or other, but I do not see how to solve it. Help thanks again for your, Frank

  Hello Zekaza,

  Thank you for your response. My problem is solved. See you soon. Frank

• What is the difference between General LV and LV RT considering that I want to read the output of a sensor of temperature online?

  Hello world

  I am very new in LV and I need to read my temperature sensore outputs online so that necessary system changes each time the temperature changes. If I use genral LV or LV RT?

  Thank you

  Hi elahetal.  The LV vs LV RT decision really depends on what are your needs of the moment.

  RT is not necessarily to be as fast as possible, but rather as consistent as possible.

  If you have a measure which must be taken every 100mS + / 2 ms to practically use RT a generalist OS like Windows will be randomly off the coast and do other things (read a cd, the printer, the disc index, etc.), causing your position to be late.

  A RT environment will allow you to determine precisely at the time where the system should do what.  The compromise is that the RT environment is somewhat limited, because you do not have all the bells and whistles, practitioner OS.

  If your action must be taken every 15 years + / 10 s then you can very well get away with standard LV on a PC.

  In some cases, a combination works well.  For example, RT on FieldPoint or CRIO to manage the time of sensitive issues and LV on a PC to manage the analysis of data and user interface.

  Hope that helps, please specify your needs if you wish.

  Matt

• Why my message a confirmation of reading on a device and not the other?

  I use my iMessage on my iPhone 5 and my Macbook Air, however, sometimes when I send a message from a device it shows a read receipt to the other person on my mac, but not on my iPhone. The message on my iPhone remains as "delivered" much later and then seems to be read (I'm done yet receive confirmations of reading on my phone), but my mac delivers the message, and it seems that the message has been read afterwards, but it shows the path of the read receipt before my iPhone don't. I don't know if it's just one little problem and they have not actually read the message, or if my mac book is somehow showing the first read receipts?

  Hello

  It has to do with which ID is used to send the iMessages and what devices are then synced to see this info.

  Device sending roughly see the pronouncement to feedback.

  If it's the Mac using the Apple ID it will 'see' the 'read' first response.

  However, if the Mac uses the iPhone number to send, then some info can run on the iPhone first it's the device the number belongs to.

  The Mac is only then light "Copies" of the synchronization version.

  Add to that the fact that some people will have a device set to join read receipts and not another.

  It is basically not a precise answer that there are many factors that can influence it.

  

  20:45 Thursday. 26 May 2016

   iMac 2.5 Ghz i5 2011 (El Capitan)
   G4/1GhzDual MDD (Leopard 10.5.8)
   MacBookPro (Snow Leopard 10.6.8) 2 GB
   Mac OS X (10.6.8).
   iPhone and iPad (2)

• Satellite M70: access to the data of temperature and fan

  While we did not have these problems with other laptops, we found a way to access the data of temperature and fan on a Satellite M70.

  A friend has tried this on Linux but have failed and also with XP I do not find a way to read data (current temperature of the CPU, or State of the fan-cooler).

  Given that I noticed several irregularities when using (the fan is that the CPU load is very minimal), work sometimes is going to be a little uncomfortable.

  Thanks for the advice / gw

  I put t know if it will help you, but in this ad, someone managed to run a control application of the material.
  http://forums.computers.Toshiba-Europe.com/forums/thread.jspa?threadID=14284

  Maybe it will work on your laptop.
  But to my knowledge Toshiba doesn't support this request and I'm not sure it will work.
  Anyway, try it's free ;)

• Change the precision of the waveform data or daqmx read

  Hi all

  I am currently using daqmx read and write data to a PDM daughter.  I would change the precision of the data if possible.

  Any advice?

  Thank you

  Matt

  It is important to get the right information in the data file. It is not a lot of overhead to limit your data with a specific precision if you as a table.

  I don't know which is faster, the method of accuracy of the channels or this:

  

  It took 1-2 ms per 1 million iterations.

• Reading the words of temperature controller fits using Modbus

  I'm working on a project that involves the use of a certain number of temperature controllers, Omega CN 7823 s.  The Protocol of communication for them is RS485 Modbus ASCII or RTU.

  I had a bit of trouble getting a job of communicating.  I think I do everything correctly in terms of setting up the initial communication parameters (baud rate, parity, etc.), but have been unable to properly read the values.  I am able to write values to operating records, but cannot read them.  When I try to read (using the code 03), the result is simply a multiple of 256 (if I try to read registry 1001 H, which is 4097 in decimal form, I get a result of 256).

  I'm running in ASCII at a speed of 9600, 7-bit data length, parity and 1 stop bit.

  Any help would be appreciated - I am attaching my VI and the manual of the controller.

  In the end it turned out that I had to create a property node to the VISA Instrument and specify the mode series RS-485/2-Auto.  This allowed the computer read the response from the controllers of temperature instead of simply reading the message that was sent to them.  I wish I had discovered this day 1, 2 or 3 to work on this problem, instead of the day 5.

• Temperature measurement and the CJC using thermocouples on a USB - 6229 BNC

  Hello

  I'm trying to get the measurements of temperature using type K thermocouples on the box nor usb-6229 BNC. SignalExpress software doesn't let me choose 'Built In' to the Source of the CJC. So, I must select 'Constant', which means that I then have to follow the evolution of the temperature during the day with a separate meter and adjust the value of CJC accordingly to maintain an accurate reading. Is there a way around that to avoid having to monitor the room temperature at the junction?

  Thanks in advance

  Mike

  Hi Mike,.

  It seems that you have managed to find a solution for you have this problem, which is great news.

  However, for future use, if you had bought the 6229 with massive ending (rather than the interface BNC) then you might have interfaced unit with a block of connection SCB-68 (see link)

  http://sine.NI.com/NIPs/CDs/view/p/lang/en/NID/1180

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  A bit of in the way, but I thought you may be interested.

  Best wishes to you all

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