Update single Table indicator cell without redrawing the entire table
I have a program that uses a Table indicator. Each row is a program step and in that row there is a countdown time showing time remaining. Updating the time remaining cell is easy enough using replace...
View ArticleStepper motor oscilates in reverse using Arduino
I have a VI which I’m using to drive 3 stepper motors. A signal is read from a potentiometer using an Arduino, processed and then used for the speed input to a stepper motor which is driven by the same...
View ArticleCircuit Breaker Trip Curve Chart
Can someone look at the circuit breaker trip curve in the attached PDFs and possibly show me how to mimic a log chart like this, with the grid lines and shading as shown? Thanks in AdvanceTim Crouse
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inverter
inverterOptions 06-20-2013 11:07 AMHalloI am looking how i can get a data from a solar inverter who is on my networkI can startup a apllication wich come with the inverter , but i want to add and...
View ArticleHow do I input a floor/ceiling to find an index?
Hi all, I'm still fairly new to Labview, so please bear with me if this has a very simple answer. I have an xy graph; the x is 'time' and the y is 'phase'. I want to determine what my phase is at a...
View ArticleIncremental encoder Z pulse
Hi, I am trying to acquire 1 pulse per rev (z pulse). I am a newbie, and can't figure this out, in this code. Can someone help me out?I wish to have a boolean LED clicked on every Z pulse is sensed...
View ArticleExtra column in data?
I've got an extra column in my data that's putting commas in front of everything. The header says it's an unknown X value...any ideas on how to get rid of this phantom column of commas?
View ArticleWhen do offset and gain change for niScope on a PXI-5122?
In my application, I am using the niScope Fetch (2D I16) VI to fetch from a multi-record, multichannel acquisition on a PXI-5122 digitizer. In trying to optimize my code, this led me to this question....
View Articlereport generation toolkit and Stand-Alone Application
I know this question has been posed many time already. I have been fighting this issue for a week now and I've exhaused all ideas I can think of. I have an application that I moved to another PC. For...
View ArticleXY Graph Freezing
Hello, This question is about the XY Graph control freezing at seemingly random times. I am continuously plotting multiplot data in an XY Graph. The data is coming from a shared variable (Array of...
View ArticleError 200279 and number / frequency of logged data
Hello, I am new to LabVIEW and I am writing a VI that sends 2 voltage (AO voltage) to a motor, and read the voltage input (AI voltage) from a strain gauge and one of the corresponding AO signal that I...
View ArticleSpawning processes from an executable
I have a LV2012 program that needs to run a number of subVIs as separate, standone processes in the background. The "Start Asyncronous Call" function works great for this. However, I need to build an...
View ArticleClear chart in subvi from the main vi
Hi all,im not sure if this has been solved before but my problem is, is there a easier method if i create a subvi containing a waveform chart and i want to clear the data in the chart after each run so...
View ArticleBandpass gives me no results
Hi everyone I am trying to filter an array of 10.000 data representing a 1sec sinus signal (so fs = 10kHz) at 50Hz. I want to keep only the frequencies over 40 Hz and under 60 Hz. So I used a bandpass...
View ArticleLabVIEW Unit Test Framework: mysterious error message
Hi, I'm using LabVIEW's Unit Test Framework with setup and teardown VIs and I'm getting the following error (in German): "LabVIEW: Ungültiger Anschluss.Methodenname: Element an Anschluss zuweisen" In...
View ArticleLabVIEW Unit Test Framework: workaround for forbidden control label characters?
Hi, I'm using LabVIEW's Unit Test Framework and it's telling me that I'm not allowed to use unit specs such as [Celsius] in my control labels: "The control label cannot contain the following: \n, \r,...
View ArticleSystem Identification with Digital System
Hey, So when using the system identification toolkit, the user excites the system with a analog signal. After they're finished with the entire process they're able to get a plant model of their system....
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write file to measurement
Hi all I have created a proof-of-concept vi (hopefully shown below!). At the moment it is being fed with some arbitrary numeric and boolean data, but in the future will be fed by over 300 parameters...
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Stop button on dynamic call
I am using the packet sniffer example in my code with some modifications to calculate delay of my transmitted data.I need to make a dynamic call to run this VI at some point of my main code and stop at...
View ArticleHow to change the scroll length on front panel table?
I have a table with a scroll bar in my front panel, with row title and column title. Basically I need the scroll bar since I want the user to be able to operate the table beyond the point dispayed....
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