Writing Float Data from Serial Device
Hello LabVIEW community, I tried getting help earlier on my problem but wasn't able to come to the conclusion that I needed. Here is the situation. I have a micro controller that transmits 8 bits at a...
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Receive UDP packets and display on waveform chart has problem
My vi (UdpRevLV.vi) receive data form MFC , and decompose the datas. After I added the code to quit the program(exit button), the displayed waveform is distorted, is that the reason I got wrong...
View ArticleSend commands to Hyperterminal
Hello, is it possible to send commands from LabView to Hyperterminal to control a device? At the moment I'm trying to write a .vi to make a long term test of a device by letting him perform the the...
View ArticleCan a LabVIEW dll be run by other SW tools?
I wonder what the purpose is of to create a LabVIEW dll? I have tried this feature and it works fine as long as you call the dll in LabVIEW. However, when the dll is called by for example MATLAB I get...
View ArticleGUI custom design
Hello, I am interested in user designed GUIs like the one to be ssen here at the end:http://www.ni.com/tutorial/10728/en/ Does anyone know how to design such custom GUIs in LabVIEW?step-by-step?...
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Reading Each Row Incrementally for a 2D Array of String
Hello, I have a 2 x 2 array of string and I wish to extract each row incrementally from an example similar to the one below. So all the columns from the first row need to be extracted before moving...
View ArticleNI DCPower 17.0
Hello, I am trying to set a sequence of current values with the PXIe-4139 while measuring the exact current and voltage values for each step of the sequence.I do not have any experience with the...
View ArticleMean ptbypt not reaturning the average?
I have two signals that I would like to find the phase between. I'm not that concerned about the current phase value, but much more the average phase value. I used the instructions from NI to find...
View ArticleOPC UA Demo Not Working cRIO-9064
I had a working OPC UA LV 2016 program - upgraded to 2017 - trying to get everything upgraded to match. Ran into problems with Client on PC not being able to connect to Server on the 9064. Went back to...
View ArticleFPGA Compile server "Compilation was restarted"
I just observed something "new" today (meaning perhaps the behaviour is new, perhaps I only noticed an old behaviour for the first time today). When performing a cloud compile of an FPGA code, after...
View ArticlecRIO hybrid mode real time error
Attached is the project and the software that is on the cRIO. I am trying to run a project on the cRIO that uses the real time module along with the FPGA modules. I am sort of new to LabVIEW, but I am...
View ArticleDAQmx create channel vs DAQmx write
Hi, I am trying to generate a PWM using 6211. I am using DAQmx create channel.vi to create a physical channel on my device and DAQmx write.vi to set the frequency and duty cycle. I see the frequency...
View ArticleHow do you enter a non-localhost IPv6 address into this example VI?
I found this LabVIEW project online that runs IPv6 for Windows using what I believe is the Winsock API. I'm trying to test the VI to link two laptops running Windows LabVIEW 32 bit together with one...
View ArticleHow to efficiently read network data into struct and correct endianess
I have a device that transmits the following data over TCPstruct SomeData { uint32_t counter; uint32_t status; double values[20]; } __attribute__((packed));I can successfully read and make use of this...
View ArticleLabVIEW 2016 vs LabVIEW 2017 OPC UA WRITE Speed/Efficiency
Another issue with the difference between 2016 and 2017 I have found is the amount of time a Write function takes to update a tag. I have an input engine that is synched to the scan engine to Read from...
View ArticleLabVIEW exe cannot find VI's in lvlibp
I have a LabVIEW project that uses VIs and classes within an lvlibp packed library developed by another company but we own the source. I have been able to run my code in the development environment...
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Trouble Backsaving in LV 2016
I am trying to save a project in LV 2016 for LV 2015. I have used file >> save for previous version... a lot in the past, but until recently I was using LV 2012 and 2014. Now I am trying it in LV...
View ArticleDCPower and DAQmx Communication
Hello fellow LabVIEW developers, I am trying to synchronize a PXIe-4139 and a PXIe-4464 and after studying the 'LabVIEW Help' I am unsure how to do it.Maybe one of you can help me.What I intend to do...
View ArticleUse one Boolean control in several places in various structures
Hey,I am looking to use one Boolean control on the front panel to control different event structures in different case structures all within a while loop. The simple answer may just be that I need to...
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