FPGA time sistematically off
hiI'm using 2 target to host DMA FIFOs to transfer acquired data to the host PC (see picture).In the FPGA vi, whitin the while loop, I use a Wait (in microseconds).Whatever the value "dt" given to this...
View ArticleI have five sensors connected to Arduino , how can I transfer their data to...
I have five sensors connected to Arduino, how can I transfer their data to labview , using serial port as an array? what is the Arduino and Labview code ?
View ArticleHow does CRC 16 with lookup table work?
I have been try to get CRC16 with a lookup table to work but it does not match the CRC for a device I am trying to simulate. I have attached the code any help would be great.
View ArticleTime string writing extra zeroes to my text file
I am using the get time/data and format date/time string to write a running log of my while loop time while my program is running. The problem is the text file has the time written in this format:...
View ArticleBuild real-time application with Compact RIO
Good afternoon, I am currently trying to run a VI on compact RIO and would like to control it through remote front panel. I followed steps on this link...
View Articlesystem exce command
I have an application that I would like to run in Labview. How would I run in commad prompt the applicatoin C:\Program Files\Flash\FM.exe Options1 Options 2?The directory has to be set to C:\Program...
View ArticleRamp and Soak Program for Omega Temperature Controller
I currently have an Omega CNiD3244-C24 temperature controller connected to my computer. I have downloaded the plug and play driver for a CNi3244 which after minor modifications works well; however, it...
View Articlethe project already exists and you do not have permission to replace it
I'm attempting to revert a Labview 8 project to Labview 7. I cannot click "Save for pervious version" as its blacked out. When I save all I get warned I do not have permission to replace it, as the...
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check if a row is empty in a table using shared variable
i'm checking rows of a table,but even if a row is empty the counter "NrOrdreSuivant" doesn't stop.normally if row number 1 is empty i have to get 1 in the counter,but the counter doesn't stop until...
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Database Connection Reference in While Loop
Hi, As shown in picture below, i have DB connection reference. "Connection properties 2" indicator shows proper values, but the same "Connection properties" indicator in while loop shows nothing, but...
View ArticleReduce noise on thermocouple readings on NI PCI-6225
Hello AllI have a problem with what appears to be static electricity induced noise on thermocouples. We are testing with a sand like medium flowing across a plexiglass window and measuring temperature...
View ArticleAdd comments to a file name
HiIn my VI when I want to collect and save data to CSV , I use curremt date and time for the file name but I would like to also use a popup message and ask if the operator wants to add a comment to the...
View Articleprogramatically launching reentrant clones
I have a temperature control process which has an array of process variables for which I wish to implement parallel PID control loops. The size of this array is set according to a configurable number...
View ArticleMultible Channel Pretrigger
Hi all, I am working on a labview daq software with a NI 9220 device i would like to set triggers with threshold on 8 channels, as soon as a voltage level reach the threshold it should trigger and...
View ArticleSetting Up NI 9237 with Load Cells
All, I am trying to set up a NI 9237 cDAQ module to read 4 signals from load cells, as follows; Load Cell Capacity: 1000lbLoad Cell Sensitivity: 3mV/VExcitation Voltage: 3.3V (Internal)Bridge...
View Article1747-ABS
HI, I NEED TO KNOW WHAT TYPE OF CABLE DO I NEED TO CONNECT MY SLC5/03 TO A HMI LOOKOUT?
View ArticleSend array of numbers through serial port - Write VISA
Hi, I am facing a problem and I have been many hours trying to solve it but no luck. Well first of all, I have implemented a PID on arduino and everything works good. During real time execution, I am...
View ArticleAverage Data
What I want: I want to have a numeric control that controls the amount of data that will be averaged.(ex: numeric control set to 10)This control results in the 10 data points before and the 10 data...
View ArticleCPU Over Load Waveform graph x.scale
I needed a program that show a XY Graph of 4 plot but I must have a cursor, this is the reason I use waveform Graph and not the XY Graph. My problem is when I change the view of the graph my CPU is...
View Articlecluster constant typedef cannot be edited?
I've created a cluster constant on a block diagram, then converted it to a typedef and saved it as a .ctl file. I need to edit the typedef to change several of the values. When I open the .ctl file in...
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