example code for interfacing with PCIe-6343 in linux/matlab?
Hi, in the past I've interfaced with NI DAQ devices using Matlab's data acquisition toolbox on windows machines. I'm now working with matlab R2021a on a linux machine (running Ubuntu 20.04.2). Matlab's...
View ArticlePXIe-6738 Analog Output response too slow.
Hi, I'm trying to generate a 3V 1.25kHz analog arbitrary waveform using PXIe-6738 analog output port and reading data from a CSV file. But the frequency obtained is only 800-900Hz.Using Digital output...
View Articlepython doesn't recognize devices
HelloI am trying to use python nidaqmx to acquire data from NI devicesfor starters I am trying to acquire data from a simulated device. the device is recognized by NI max, but python doesn't seem to...
View ArticleTerminology for digital IO - "dry contact", "wet contact"
I am a software developer, and have implemented support for various digital I/O devices (via TCP/IP, such as ModBus). I am about to write some documentation for internal use, and the terminology being...
View ArticleSimple way to control speakers via analog output
Hello to all,My institution has several NI tools for my thesis. We have a chassit 1033 and two NI 44-98 cards allowing the recording of vibration in a sample via accelerometers. We have recently...
View ArticleHow to detect board(PCI-6503) is in protected/fail-safe mode and to leave it
Hi, I am looking to see if there is a way to detect if a DIO board (PCI-6503) is in fail-safe mode after a power surge via software and to be able to reset/leave that mode.
View ArticleWhere is the Lock-In Demo user manual?
Hi,I am looking for "Lock-In Demo User's Manual" but I couldn't find it.If anybody could give me that document?Best regards.
View ArticlePXI-1065, measurement 0 issue.
Hello, guys~ I have a PXI-1065 controller that is used for ProbeCard in semiconductor industry.I got a problem about measurement.Measurement output is 0 again and again.I tried to troubleshoot that...
View ArticleNeed DIO (NI 9403) Example Code
CVI 2019, Win10. Can somebody send me some example code for a DIO card/module, in particular how to set bits or nibbles for different directions. C language, DAQmx function calls please. The only...
View ArticleSPI Read/write PXIe-6537
HelloI'm looking into the possibility of implementing SPI write/read data with an NI PXIE-6537 board.I wanted to test the example: SPI Generation and Acquisition using HSDIO Hardware (654x) but I still...
View ArticlePWM generation using digital output
I have NI PXIe-6363 and PXIe-6535 cards. I want to generate PWM signals to drive a 3-ph inverter using digital output pins(not counters). The PWM should be generated by comparison of a sine wave(50 Hz)...
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Reduce USB-8452 SPI script frame delay
Hi, When creating SPI script I observe ~16us delay between frames, independent from set communication frequency. Is there a way to reduce or negate this delay? I use 20.0.0 driver.Thanks
View ArticleDAQmx synchronize digital input and digital output task
Hello. I need to synchronize digital input and digital output on NI6229 or NI6535 device, for emulating i2c-like protocol receiver.Looks like only way - use PXI_Trig or PFI lines for synchronize tasks...
View ArticleCable selection for PXIe-8431/16 (RS-422)
Hello, I am having trouble finding a compatible twisted-shielded RS-422 cable for the PXIe-8431/16 with the VHDCI connection. I have located a few twisted-shielded cables from NI, but the twisted pair...
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VB Code for state change
Hi Team, I am newbie to this section and i got the requirement to convert attached task to VB. I am able to set Input/output channel direction. After changing to output how can i change the state to...
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USB DAQ 6001 Resolution
In USB DAQ 6001, when collected data using analog input, 14 mV signal is coming without any actual input. How I can correct this issue?
View ArticleBraincorr kollam
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View ArticleValue change detection of a NI 9402 DO line using a LabVIEW event structure.
Is it possible to detect a change in the value of a NI 9402 Digital Output line using a LabVIEW event structure?
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Connect I/Os using SCB-100A with PXI-6515
Dear all, I'm planning to use the PXI-6515 modul with the SCB-100A break out box. I couldn't find a detailed pin out for the SCB-100A except of the picture below. Does someone has a document or a...
View ArticleNI845x and C#: NI Package Manager indicates "installed", BUT not in Visual...
NI Package Manager indicates NI-845x v21.3.0 is installed.Ni845x.dll is in C:\Windows\System32. Visual Studio 2019 does NOT offer anything with NI845x as a Reference for adding to a C# project.Attempts...
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