How to build a PID controller

Similar Questions

• without using DAQ how a PID controller for temperature control

  Mr President.

  IAM trying to make a PID controller for temperature control in labview. But I have no devices data acquisition. Then without using DAQ how a PID controller.please suggest some useful block diagram.plz give me an answer. I tried one, but not working.below attached is my work.

  as a learning exercise, some devices can be simulated in the Explorer to measure (performance measure explore, right click on devices, select Create new.) Select simulated device and choose your device, you can search by product code for example 4070 for a dmm)

  I hope this helps you begin to learn labview, depending on how advanced you can I strongly suggest looking in training of core 2 and core 1 but also by looking at the examples that come with labview

• PID controller compatible LabView

  Hi all

  We have built an oven of automated test. It was decided that it is cheaper and more convenient to use a pre built the PID controller, however

  our task is to set the temperature of the oven by using LabView code, so the PID should communicate with the computer.

  I would be really grateful if you could give me a little advice if these controllers exist and where they are or it could be easier to use the box of DAQ + OR PID

  box tools + with external power supply + heating element power transistor.

  PS just to note, temperature range is not very high (20-200 ° C)

  All the best

  Alexander

  Hi Alexander,.

  When you talk about PID controller, there are two options:

  1 software based controller PID (you can develop using the LabVIEW PID toolkit)

  2. regulator based material PID... If you choose to have a PID of hardware in service, you must ensure that it can be used with LabVIEW, I know that what is your concern...!

  For most of these PID regulators (hardware) are an instrument of series (RS-232, RS-485 or MODBUS based) and which can be easily integrated with LabVIEW... no tool is necessary, but all you need is VISA functions or MODBUS library.

• How to build a table of TDMS file open

  Hello

  Examples NI TDMS - Express write data .vi (time domain), I can build a PDM file with 2 channels (sine and square waveforms) data, which are stored as test.tdms.

  Using Express read .vi data (time domain), 2 channels of waveform data are read. How to build a table later? How to separate the 2 channels of data in the tables 1-2 and manipulate the data using table functions?

  For example,.

  I want to collect 100 from index100 between channel 0 and their average. I want to take 50 samples from the channel 50 1 index and double each element.

  Thank you for your help.

  Bing@NCL

  Hey Bing.

  You can perform operations on different channels in the 2D table using the table to index. This will allow you to choose the channel to operate on, then you can perform the operation inside a loop on each element. In the included code snippet, I used a shift register to find the total cumulative values in channel 0 and then divided by the number of samples.

  I recommend you read some tutorials LabVIEW and bases of knowledge on topics that are related to yours. These could help a lot.

  I hope that my suggestions help,

  Chris

• How to build a table using incoming data stream?

  I'm programming in VBAI but use LV as my Interface of Inspection. The VBAI program will go into a finite loop (x 1000) and the digital indicator with dbl vaule of food in front of the LV Panel if the value double is in order.

  In LV, how to build a table (index 0-999) with this stream?

  
  

• How to build the current controlled current source

  I want to check my solution using multisim, however, I don't know how to build a circuit containing the current controlled current source. Hope someone can help me. Thanks in advance

  .

  The current direction must be placed between the the + 12V and 24 ohms resistance.

  I just made the circuit and if you make the change, you will see that you are right in your calculation.

• How to build a {+ 1, -1} by wavelets?

  I am using labview 8.6 and the statement calls for me to "convolve data with Wavelet following {+ 1, -1}.» How to build this Wavelet?

  Thanks for the help.

  -T. Vepa

  [email protected]

  Something like that

  

• How to test the domain controller security policy works or not?

  How to test the domain controller security policy works or not?

  So far, I put a security policy in the domain controller security policy, however, I do not affect client computers joined to the domain controller. and so far, if I apply the domain security policy work.

  LiuAlex

  Server must wonder about the Technet site.  http://social.technet.Microsoft.com/forums/en-us/home

• How to remove a domain controller that was removed from the Internet works but not demoted

  How to remove a domain controller that has been remove from the Internet works but not demoted

  got two domain controllers and been deleted but not retrograde

  can help pls

  Hello

  Your Windows is better suited for the directory on TechNet Services. You can follow the link to ask your question: http://social.technet.microsoft.com/Forums/en-us/winserverDS/threads

  I hope this helps.

• Excel sheet entry to 'setpoint' of the PID controller

  Hello

  I use this (attached) vi to control the thermostat of Lakeshore. I got the website vi OR. I want to change the vi as to the set value, it takes as input an excel sheet (could be any other form too). This spreadsheet contains a list of temperatures. The vi reads the first temperature and then that sets the value of the PID controller setpoint. Once the set point is 'set' the vi waiting for awhile (say 1 hour) before reading the next entry in the excel sheet set point. I want to wait that it is because I programmed a gamma spectrum software such that it counts for 1 hour and then starts a new count. The part of the spectrum is not very intelligent but its ok for now. The problem I have is that when I run this vi (attached), the indication of the set on the temperature controller (hardware) tends to zero and stays there. Can someone help me by pointing out the error that I do. This vi is Labview based 6.0 (it's a bad implementation!)

  Thank you

  Saurabh

  Slim,

  You could possibly have the calendar in step in the worksheet as well?

  It would be a classic case where you could use state machines (or producer / consumer - events if the user input is critical), research of this architecture and examples on ni.com. Also for synchronization purposes, are looking for functional global timer or try to modify this example https://decibel.ni.com/content/docs/DOC-6523 to add 'elapsed time' (as in the elapsed time express vi) features similar to this code.

  You have reports such as:

  Initialization: initialize your control panel front/graphics etc. Read the spreadsheet file. Make sure that the comms exist between the software and the controller, etc..

  Set the temperature: set the first value, start a countdown (depending on what you set)

  State check: check the status of controller etc failure. Check if the user has pressed the stop button. Check if the timer in the previous state has expired?

  In case of error stop the timer and take the measures necessary to correct, to report to the user

  If the user has pressed the stop button, close all references, etc hard reset and exit the application.

  If the timer has expired, get the next value and go on to set the temperature.

  I hope this helps.

• How to build the table with all the combinations of a source table?

  Hello

  I have a 2D array that contains the list of the power user-defined settings. The number of PSs (table rows) is not fixed. For example - 3 PSs:

  Stage of Min Max name

  PS1 3.0 3.6 0.3

  PS2 0.9 1.2 0.1

  PS3 1.7 1.9 0.1

  I need to build, from this list, a table of all the combinations as below:

  PS1 PS2 PS3

  3.0 0.9 1.7

  3.0 0.9 1.8

  3.0 0.9 1.9

  3.0 1.0 1.7

  3.0 1.0 1.8

  3.0 1.0 1.9

  3.0 1.1 1.7

  3.0 1.1 1.8

  3.0 1.1 1.9

  3.0 1.2-1.7

  3.0 1.2-1.8

  3.0 1.2-1.9

  3.3 0.9 1.7

  3.3 0.9 1.8

  3.3 0.9 1.9

  3.3 1.0 1.7

  3.3 1.0 1.8

  3.3 1.0 1.9

  3.3 1.1 1.7

  3.3 1.1 1.8

  3.3 1.1 1.9

  3.3 1.2 1.7

  3.3 1.2 1.8

  3.3 1.2 1.9

  3.6 0.9 1.7

  3.6 0.9 1.8

  3.6 0.9 1.9

  3.6 1.0 1.7

  3.6 1.0 1.8

  3.6 1.0 1.9

  3.6 1.1 1.7

  3.6 1.8 1.1

  3.6 1.1 1.9

  3.6 1.2 1.7

  3.6 1.2 1.8

  3.6 1.2 1.9

  How to build this table programmatically?

  (Note also that the number of rows in the source table is not fixed).

  Thanks in advance!

  Hi Berezka,

  using a magic of automatic indexing:

  

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