Triggering DataLogger from Analog Input
I have a cDAQ 9189 with 8 Slots with NI 9201 as AI and NI 9401 as DI/DO. I want to Transfer analog Signals to a TTL Signal(Output) so as to trigger a data logger.
View ArticleChecking digital input and output ports.
Hi,I want to check how digital input and output port works in my pxie-6366. I am using SCB-68A as connector block.I tried sending a bit stream (it is a 1D of boolean) in a digital output line and then...
View ArticleConnect 3 wirer NPN to NI 9421
Hi all! I have a NPN sinking sensor (3 wires) that I want to connect to my NI9421, however I am lost. Basically I have connected the power source to my sensor, and connected the sensor ground to my...
View ArticleDQAmx: input task halted
Hi All, I am working with NI-6537 from C++ and facing with the following problem. I create an input task for continuous samples with the following parameters:- sample rate: 50 MHz- buffer size:...
View ArticleCreate 10-bit and 20-bit number to 32-bit number
Hello, I want to create a 32-bit number from one 10-bit number and one 20-bit number and merging them. Please find attached snap of my question. Please help, thanks in advance.
View ArticleNI USB-6212 digital output
Hi there,I am using a the USB-6212 board and I would like to generate a task in order to create a digital square wave at a given frequency (400 Hz). My problem arises from the fact that NI MAX only...
View ArticleDifference between FFC connector and FPC connector ?
When I search for information about FPC connectors, FFC/FPC connectors often pop out. So what is the difference between them anyway?
View ArticleNI USB-6212 DO to trigger an instrument which has a trigger input 3.3V LVCMOS
Hi all,I am using a the USB-6212 board and I want to use a digital output to trigger another instrument. The trigger input of that instrument is indicated to be a 3.3V LVCMOS. Can I directly apply the...
View ArticleUpdating digital channel with task running
Hi all, I am trying to control a system digitally through PXIe-6368. This is done by writing digital control bits to digital port. The digital control bits need to be periodically re-calculated with...
View ArticleGPIO PCI 6503
Hi Everyone,I recently bought a system that has GPIO PCI 6503 Card installed and PA0 port is configured for an alarm unit (24 static digital IO l/ines n(on-isolated 5 V TTL/CMOS) in 8-bit ports,...
View ArticleFPGA- Digital Frequency Control to Run Variable Frequency Driver for...
I am currently using an USB-7856 Multifunction RIO, and I am trying to generate a digital signal to send to my Variable Frequency Driver by AAOptoelectronics that will change the angle on my...
View ArticleSCB-68, SHC68-C68-RDIO2, and a panel-mounted connector?
I am using a PXI chassis, a SCB-68 HSDIO terminal block, and a SHC68-C68-RDIO2 between them. There is a piece of sheet metal between the chassis and the terminal block. I'd like to find a...
View ArticleOutput malfunction in laptop
I am using a dell inspiron series pc and the output jack isn't working is their any other alternative for connecting the output jack? And also how do i check my output drivers?
View ArticleTTL i/o circuits
I am not that familiar with digital circuits , i wanted to know what is the difference between TTL I/O circuits and LVTTL (5 VDC) bidirectional I/O.
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[Python] Help with trigger and counter internal output
Hello everyone ! I have a NI 9401 (with 8 DIO) and a cDAQ 9181. I want to send PWM from a DO to a DI (which both have ultrasonic transducers plugged in) and be able to calculate the time transit of my...
View Article1. Main use and development trends of the FPC connector
The FPC connector is more popular now. In addition to the cellphone industry, I want to know what area is it used in the most. And what is the developing trend now?
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Using analog module 9221 for counting edges
In the past I have used the DAQ assistant to use the NI 9221 module for counting edges, i.e. digital input. This seems not to be possible anymore when creating a new vi using the DAQ Assistant, and the...
View ArticlePXI 6528 Digital output not working
Problem: I have a PXI 6528 and I can't get the Digital Outputs to work. Background: I've tested all the digital inputs using the +5V and ground on the board and they all work. I can't get the outputs...
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DAQmx Change Detection Error
Hello,I am having an issues with digital change detection using DAQmx with an NI-9401 digital I/O module. I am setting up my data collection as followsAnd then waiting for a rising edge using the...
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