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Sending signal to Arduino
Hi I appreciate any help from this community, because I am almost new to Labview... My Aim : I want to send digital output(square wave signal 5v on and 0v off state) to Arduino board from Labview,...
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Cannot read digital waveform on NI USB-6001
Trying to perform digital waveform reading on digital input on NI USB-6001, Sample Clock give me error -200077, see picture below.Analog waveform reading is OK, see the same picture. Single digital...
View ArticleLimitation in number of DMA FIFOs for multip-up parallel comm with FPGA
Hi I am using 7820R in a project to send data back and forth between host and target. So far ,my setup was 4 and in target I have 4 SPI engines that they can run fully in parallelThey all had their own...
View ArticleDeal with Pxi-6555 input capacitance
Hi , I am trying to create a high-speed channel for communication with an IC. The high-speed signal channel works fine when the PXI 6555 is talking to the IC, but when the IC is taking to PXI 6555...
View ArticleAI & DI Simultaneously
Hello, I'm using USB-6361 and want to get 2 channels AI and 4 channels DI simultaneously.For example, 50,000 data for each channel, and they should be synchronized. The first AI data and the first DI...
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PCI-6515 Digital input LOAD question
Good Morning everyone, I want to use the PCI-6515 board as a digital input to replace an array of resistors and LEDS. This array shows us if current if flowing or not.Current is flowing from the each...
View ArticleReading IMU data with python
I haven't been able to track this down, but is it possible to pull i2c data from an IMU with python? I am not particularly concerned with high performance -- getting the data a few times per second...
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The parallel acquisition problem of two acquisition cards（CRIO）
Hello everyone, I have a problem in data collection. I want to collect the data of NI9232 and NI9237 in PARALLEL in FPGA and read it in RT terminal. During the test, there was no problem for each...
View ArticleQuestion about NI 6583 / NI 7971R DCC B clock capabilities?
So on we are using an NI 6583 (DDC B connector the 12x 73 pin LVDS connector) and we are hooking it up to a NI7971R FPGA board. Would anyone know if there is a way to get both a differential LVDS...
View ArticleNI-9215 maxinstant sampling speed?
Hi What is the maximal sampling speed (S/s) by using the NI-9215 module with the instant method (and using simulink and real time)? Best regards Arek
View ArticlePXIe 6556 C/C++ Driving Multiple DIO ports at once
Hello, I am attempting to use a PXIe 6556 card to drive multiple DIO pins within a C/C++ environment. The drivers are the most up-to-date version of the niHSDIO library. I'll include the niHSDIO.h file...
View ArticleDAQmx PFIx triggered start: How to know exact trigger absolute time ?
Hello, I stream data out of a DAQmx card PXIe-6363.The generation starts when my card see a digital rising edge on PFI0.It works great (confirmed with scope). My questions is: I need to know the exact...
View ArticleNI PXIe 6544 Acquire synchronous serial port signals
Hello I want to use NI PXIe 6544 Digital Waveform Instruments to Acquire synchronous serial port signals(SSP). The synchronous serial port signals inlcude 10MHz CLK, ENABLE and DATA are generated by...
View Article6570_Large Vector Memory (LVM) is 128M vectors,how to understand the vectors?
the 6570 large Vector Memory is 128M vectors， Does it means the 6570 can load and burst the pattern can‘t exceed 128M bit? or can't exceed 128M lines？
View ArticleEncoder Simulation with cDAQ
Good day! We want to simulate (generate) two A/B endocers by using cDAQ hardware. We have a cDAQ-9185 chassis and two NI-9474 modules to accomplish the task (or other modules if needed). What would be...
View ArticleLabView 2020 HSDIO PXI-6552 use of PFI1 to PFI3 for Trigger or Pattern Clocks
I cannot seem to find a LabView NI example of the HSDIO PXI-6552 using PF1 to PFI3 as an input Trigger or Pattern Clock. Yet I know it can be done, because I've seen it done in LabView Proprietary...
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PXIe-6738 Analog Output Update Rate, Banks vs. Channels
Howdy Folks, I am trying to understand the update rate for the PXIe-6738. The online documentation provides different update rates depending on how many channels are in use, and in a footnote, it...
View Article9375 - external power supply for DO
Hello, I have to use the 9375 module (digital outputs) to supply three relay coils independently.I only have one 24Vdc power supply, which is already used to supply the cRIO 9057.Is it possible/safe to...
View ArticleUSB-6525 and Linux
I would like to know if there is any way where I can communicate the NI USB-6525 from a Ubuntu 20 distribution. As it is not a complex device (isolated industrial binary IOs), this should not be...
View ArticleNI-DAQ register signal event isn't functioning in C++ (Error -200982)
I'm currently attempting to have a NI-DAQ read an external trigger in the digital input PFI1, but I get an error -200982 when I run the line:(DAQmxRegisterSignalEvent(taskHandle, DAQmx_Val_SampleClock,...
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