What do I need to interact a piezo servo controller with a load cell via...
I'm currently developing a Micro Fatigue test rig. The objective is that the piezo actuator with piezo servo controller outputs a sinusoidal load on the specimen. The proces is force controlled so the...
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[DAQmx] Adding data to write buffer
Hello, I have a program that should send a waveform (a sine wave for example) to several channels of an NI multifunction board. This board has multiple AO channels and I want to use all of them. The...
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Add or change label and datatype. Numeric representation or string
In my application I often have to create a data structure which consists of several different datatypes.ExampleThe way I create it is in a cluster with a numeric/string control.1. Add new...
View ArticleTwo edge separation timeout with NI cDAQ 9174 and NI9401
Dear I know this has been discussed before but in another way.I can set the maximum time in the selected unit.Thats OK.The question is is this equivalent to the timeout?It doesn't seam to be.How can I...
View ArticleTab Control Question
Is there a way to programmatically assign a control to a particular page of the tab control? I am programmatically repositioning a control from outside the Tab control to within one of the tabs....
View ArticleIP Integration Node syntax error line number
I'm trying to import some .vdh code into a Flex RIO via the IPIN. I'm using LV2020 which uses Vivado 2019.1.1.When I "Check Syntax" in the PIN wizard, I get an error referring to a line number in a...
View ArticleData Logging
Hi everyone, I'm creating an interface where I have to report cumulative energy spent. It cannot reset to zero every time the executable runs, kind of like the mileage on a car. How can I do this? Is...
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Transforming a Waveform chart to calibrated values
I'm trying to take an array of waveforms, and update each one so its values are all calibrated properly. I assumed that I could simply calculate each value and reinsert it into the waveform, which for...
View ArticleTrouble communicating with COM port
Hello All, I am having an issue with erratic reading and logging of COM port data. The connection is as follows My computer -> USB cable -> FT232R board -> Device under test. The device is...
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Class icons change after reloading project
I have a strange problem. I have a project with some classes. These classes have a (simple) custom icon, that is working well. However, sometimes, when I reload the project, the class icon changes to...
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Wifi communication with a µc: trying to avoid conflicts
Hi all. I'm taking over the development of an application that serves as a user interface to control a distant platform.On this platform there is a µc with which I have to communicate by Wifi to get...
View ArticleData Subtruct Method change
Hi all I want to median calculated with 1D array,rule as below:array[10]-array[0]array[11]-array[1]array[12]-array[2]array[13]-array[3] snapshot has done with result,someone have other way simple...
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Need Help with Base58 encoding
This is driving me nuts. I attempted to modify a base64 VI. I get the 51 characters I am looking for but they are not correct. I am using the modified base58 Character set, it doesn't use 0O or L.
View ArticleUnable to get the coordinates of ROI correctly
Hi all, I am trying to obtain the grayscale values of pixels from a region of interest. The way I am doing is (1) converting the whole image into grayscale values and plotting an intensity graph. (2)...
View ArticleUsing the Community Version To Undertake the Core 1 Course
I have just bought the Core 1 distance learning course and may have wasted my moneyThe initial lesson gets you to set up a virtual system to use within the course. It instructs you to go to Devices and...
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Shared Excel Workbook does not minimize as expected.
I noticed a strange behavior Report Generation Toolkit when using an Excel file which is set to be Shared Workbook. I have a piece of code that opens an Excel file and reads its content.I use native...
View ArticleFit convoluted data with response function
Hi, I wonder if it is possible to fit with convoluted model function, for example, numerical Instrumental Response Function (IRF) and exponential decay. I found related threads like...
View ArticleSIEMENS PLC Interface
How can I interface SIEMENS PLC S7-1500 with LabVIEW over TCP/IP?
View ArticleDAQmx Start Task Error -201105
Hi, I have a long-runnning system that makes repeated measurements. Occasionally, DAQmx Start Task throws error -201105.The system ran fine for several weeks before this error started showing up. I'd...
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