DIO 65XX series??
1. I need a DIgital IO PXI card. 2. It should source and sink a current of max 100mA per channel.3. I need a 24 source Digital output and 24 sink digital sink output.4. It should give an output varying...
View ArticleHow to measure a digital pulse width using PXIe-6548
Measure the digital signal high level pulse width (about several seconds)1us accuracy requirement Thanks
View Articlegenerate complementary digital signals with dead time between each pulse and...
I am to generate two complementary digital signals using NI 9606 conected by RIO Mezannine Card to NI 9683 (Half Bridge DO). I am able to generate the signals but I am not able to put dead time...
View ArticleTransfering traditional NI daq application to Daqmx
Please see the attachment for the problem description.
View Articlesimultaneous monitoring of digital input lines while running digital write task
I'm writing a multithreaded application in C on Windows 7, using the DAQmx 9.6 API and the USB-6509 device. This project requires that we constantly monitor multiple lines on the 6509 for digital...
View ArticleDelayed Start with PCIe-6535B
Hi I need to delay the digital generation (around 10ms) after the trigger comes up on PCIe-6535B.This board does not have teh Start Delay feature and it does not have any counter to use for generating...
View ArticleMinimum pulse width measured on the digital input port of a NI9401 plugged...
I have an NI9401 plugged into a cDAQ-9172. I have 8 digital inputs on the port. I need to measure the high time of these input signals which are aperiodic. What is the minimum pulse width I can...
View ArticleNI 5781 dual channel sync accuracy
Hello, I have a question regarding the NI 5781. With what accuracy are the two 100 MS/s, 14-bit, differential, DC-coupled inputs synchronized ? Thanks!
View ArticlecDAQ-9191 + NI9402 max. reading rate ?
I am using a NI9402 embedded in a NI9191 Wi-Fi Chassis. The input lines on the NI9402 are coming from a cRIO:Line0: Clock at 1 MbpsLine1: Data at 1 Mbps The NI9191 Chasis is conected to the computer...
View Articlechange detection task reading when no change in state
I'm writing an application in C on Windows 7, using the DAQmx 9.6 API and the USB-6509 device. The digital input is configured with change detection: DAQmxErrChk...
View ArticleDigital to Binary conversion!
Hello,I want to input 22 byte array string to VISA write to control one instrument. I want every byte in not more than 8 bits and some of the bytes in array are the binary 8 bits of some decimal to...
View ArticleDAQ change detection function that returns a BCD to indicate which lines have...
Hi,It was recommended to me to use the DAQ change detection function that returns a BCD to indicate which lines have had state changes. Does anyone know of this function, and it it is DAQmx or...
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How will the fifth (GND) pin in RS422 be connected in USB 2.0 for making a...
Hi all,I am looking for a solution to my doubt. The doubt isWhat kind of Discrete IO (continuous High or Continuous Low or programmed DIO) may have been used in an equipment which is used just to...
View ArticleFFT analysis on sound and vibration
I'm running a loop with an N-Chan AI Read vi, I was using AI DAQmx, NI PCI-6024E, while I run my LabVIEW programs Acquiring Data Continuously I get an error That says: Error -200279 occurred at AI...
View ArticleSeries x 6363 external source
Hi.i have a question about to connect a externar power supply in my 6363 because i will generate a digital output with a 24 VDC level. but my SBC-64A only works at 5VDC. is it possible connect a...
View ArticleWhat happens to DIO channels that are not assigned?
Would like to know what happens when I write to a static DIO channel that was not assigned. I have an application for which I only want to activate a few channels, but for simplicity, it will be much...
View Articlesumming digital data
I am aquiring 10 digital lines from an adc output. I want display the sum of all the digital lines shown on the same display.
View Articlewhat should my output be on a 9474 with a 12v supply
I have 12V supply going to my 9474 and my common is hooked up. I only have one output hooked up and I'm only getting 2.5V out. is this correct?
View ArticleRF Transmitter Design using IQ Mixer
Hello everyone, I am trying to design a radio over fiber incorperating IQ Mixer using AWR software i.e VSS. Since I am novice to this software I am facing alot of questions without answers. I have...
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