Time between rising and falling edges of digital signal
Hi, How can I read the time difference between a rising edge in the CTR 0 B(PFI 1) channel and a falling edge in the CTR 0 B(PFI 0)? I am using a NI USB-6210 DAQ and the digital pulses come from a...
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PXIe-657x type of relay used to disconnect I/O channels to VHDCI connector
The high-level block diagram in the PXIe-657x training manual shows relays on the channels between the pin electronics and the VHDCI connector. I have a situation where two PXI resources have to...
View ArticlePython - nidaqmx: Synchronizing digital output / analog input chanels
Hey, I am currently practicing with the nidaqmx library for python and the NI DAQ cards in general (I am using a BNC-2110), since I am quite new at this. Currently I have a digital output channel...
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USB6525 Write Rate
I have code which makes 5 writes per execution cycle to a USB6525. I wait 200 ms before making writes. I am occasionally getting error -207278 Ideas?
View ArticlePCI-6036E drivers for windows 10
Hello all, I have a fuel system test bench that is still running on Windows XP and needs to be updated. All analog instruments connect to NI 5B02 16 Channel Backplane, which connects to a NI SC-2050...
View ArticleNI-8452 Onboard pull-up resistor value ?
Can someone tell me the value of NI-8452's Onboard pull-up resistor? I enabled Onboard Pullups using command: ni845xI2cSetPullupEnable(Handle, kNi845xPullupEnable); //Enable Onboard Pullups I can't...
View ArticleStart a read task triggered by a digital write task
Hello, I am using the PCIe6363 DAQ board and need precisely timed data acquisition using Python. My goal is to start reading analog inputs (AI) as soon as I write a digital output (DO) task.In practice...
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Control LED with NI USB-6009 using ANSI C
Hello 🙂 This is a tutorial to control a LED using ANSI C with NI hardware: 1. Compiler used: cl from (Microsoft using VS Build Tools 2022- not necessary login - no IDE); 2. Library: NIDAQmx.lib;3....
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...
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How do I save my lab data to a file?
How do I save my lab data to a file？ In Measurement & Automation Explorer, I have connected NI devices and obtained experimental data through 'NI-DAQm Task' measurements, how do I save the data? By...
View ArticleNI 数字I/O系列PCI/PCIe板卡选型求助(Help:NI digital I/O series PCI/PCIe board selection)
你好，我是来自华中科技大学的一名研究生，我们实验室正在做有关声光扫描的实验。我们从AA公司购买了一组DDS频率发生器，该设备需要有高达40~80bits、25~50MHz的高速数字并行控制器。AA公司推荐采用NI的PCI板卡来控制该设备。我在NI官网搜寻有关PCI/PCIe板卡时，对其控制方式感到一些困惑：我们购买PCI/PCIe板卡后，是需要将其插入PC主板后自行编程？还是需要额外购买相应的控制设...
View ArticleHow do I read the 5V TTL signal from Delay generator dg535 with ni-9401
Hello all. First, It's my first time studying labview. So, please understand if the question is strange. I'm trying to read the 5V TTL signal from dg535 using ni-9401 on ni cdaq 9172.First, how can I...
View ArticlePCI-6518 not every time recognise by Win10 Pro
Hello All, I have an interesting problem, that I describe below: The main problem: In Win10 Pro op. system my PCI-6518 card not every time recongnise by Win 10. In tool manager In certain coexistence I...
View Articlecreating a pulse for reading analog value
I want to create a pulse using c# to read the analog value. I am working on pxi 1073 chassis, pci 6229 daq card and pcie 8361 controller card. I want to do a 15 V test in which when i start the test, a...
View ArticleUSB-6501 Drive Type configuration with Python nidaqmx and NI MAX
Hi NI team, We're having difficulty with USB-6501 and the software and hoping you can help. Our system has: 1. DELL Windows 10 Enterprise x64 computer 2. 2 NI USB-6501 in our test fixture...
View Articlesuggested replacements for PCI-6509 & PCI-61111
Hi, I have been tasked with finding replacement cards for the PCI-6509 and PCI-6111 cards both of which are either out of production or will be soon. I am assuming these replacements will not be plug...
View ArticleSCTL on FPGA Target needs minimum 2 Ticks for execution - why?
Dear Community I have a problem with the timing of an SCTL in an FPGA Target (MyRIo 1900): Backgound: I'm writing a FPGA Driver for a SPI interface. During that I observed, that the FPGA is NOT...
View ArticleDigital Write function - Hobbyist Toolkit
I am using the Hobbyist Toolkit to control my Arduino Nano. I have been able to successfully use the analogue read function within my VI, though am struggling to use the digital write function (Error...
View ArticleNI 9924 wiring
I have a NI 9924 and I would like to wire a BNC connector to the terminals. After doing so, I'd like to connect it to my NI 9401 so I can output a TTL signal from it that will go to the BNC connector....
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