Citadel handling 1K SV
Hi, I am using NI Citadel 5 for logging about 1000 SV in one LV 8.2.1 project (Acts as a data server).I have several clients with LV 2011.I have some data historical viewers in 5 client PCs....
View ArticleRe: PID and PWM via 9401 TTL DIO Module
The logic behind using a local variable is that you can define the rate of your control loop and it will always get the "latest" frequency from your DAQ input loop. however, this is a bit pointless if...
View ArticleRe: post event saving of images
Hi, if you want to realize such a functionality, you have to create an array temporary memory location for an image. This means, you have to use the IMAQ create VI many times and save the output of the...
View ArticleRe: "LabVIEW FPGA: The compilation failed due to timing violations, but there...
Hi jeromelei, If you see the FPGA clocks in the Project Explorer window, you should be able to right click it and select Remove From Project. Regards,
View ArticleRe: TDMS Write and Read
OK, I misunderstood. If you want to give the user the option to tell the system where to save the file, there is a File Dialog function on the File I/O Palette (under Advanced File Functions) that will...
View ArticleRe: How to disable automatic recalibration of grids in waveform graphs?
You can access the properties of the minor grid the same way as the properties you are modifying above: http://zone.ni.com/reference/en-XX/help/371361K-01/lvprop/3dgraph_axis_grid_gridminorvisible/
View ArticleRe: Design a VI for giving a warning signal followed by a go signal for a...
Ok, next thing to learn: feedback nodes can be helpful but before you start with them you need to get comfortable with shift-registers (which is what they replace). The feedback nodes are confusing...
View ArticleRe: Design a VI for giving a warning signal followed by a go signal for a...
docas77 wrote:I tried to use DAQ assist and DAQmx, to generate analogue voltage output whenever the warning or the Go signal turns on. There is a delay between when the Go signal turns on and when the...
View Articlesend text file via serial
hii've trying to send a text file via rs-232 but no success The file contains a code for a device im dealing with, when i send the text file with labview to the device, it went ok with no errors, but...
View ArticleRe: LabView fpga VHDL code and compiler
Hi P@AnandThank you very much for answer. First of all we understand that we will not be able to skip the compilation. Project has to go through "Start Compilation" and "Generation of Intermediate...
View ArticleRe: How to create a default icon and replace current one
Darren wrote:The "Default Application" property always returns the main application instance...so when you have a project open (or a VI from a project open), Ctrl-N with your plugin VI creates the new...
View ArticleRe: send text file via serial
It looks like you are reading the entire file at once so the loop is pointless. You may in fact need to write a line at a time with each line terminated correctly or each command. In either case, you...
View ArticleRe: DAQmx VI text garbled
I have the same problem. I reinstalled DAQmx and no success. I noticed it happened before I started having disk problem, maybe the disk malfunction affected some important files. If someone has a...
View ArticleRe: area under the psd graph from daq
Dear Lynn, here I attach the my vi file, I have try to use sum of array to find the total amplitudes of the graph.
View ArticleHow to find Property Nodes in other VI's
I am working on an application that I have inherited from others. It has huge, and in my opinion, very complicated and difficult to follow block diagrams. Here is the essence of the problem I am...
View ArticleRe: How to find Property Nodes in other VI's
1. Not Really. You are going to have to go through the subVIs manually.2. No, they were totally incompetentMike...
View ArticleRe: How to find Property Nodes in other VI's
If there are no references in the top level VI, there are no references in the subVIs.Some beginning programmers will use property nodes or local variables because they don't understand data flow and...
View ArticleRe: SPEED MEASUREMENT using mydaq
HI P@anand I have to reset the pulse count for everi 20ms. but i am unable to find the vi to reset the loop. here is the VI which is build from your vi. give me an idea to how to reset it for...
View ArticleRe: How to disable automatic recalibration of grids in waveform graphs?
Hi Shane,The link you give is for setting the 'visible' property of minor grids in 3d graphs.What I'm looking for is disabling the autamatic readjustment of grids (minor and major) in waveform graphs...
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