external digital input start and done events
Dear NI members, we are working on a microscope driving application, written in C by using the NIDAQmx driver. We create a digital input task and we asign a Change Detection event for it. From the...
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Error 363513 occurred at niFpgaCompileFarm_UploadFile.vi
I am quite new to the FPGA programming with cRio and Labview, and I tried my hands on a minimal program which reads out a channel on the NI9403 (digital module). In my program I've connected this up...
View Articleprevent NI write named waveform from enabling sample clock until initiate
Hello, I am attempting to use the NI HSDIO-6652 sample clock (on-board clock is clock source) exported via DDC CLK OUT to act as the clk_in for a simple logic circuit on an external DUT. The logic on...
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Unit °C^-1
Hello, in my VI I want to calculate the concentration of water with the help of this: And I want to match the right units. I know the temperature is "degC" but how can I commit the unit "1/°C" to...
View ArticleUSB-6501 Operation
Hello all, I have a brand new NI USB-6501, and I'm looking for some help with operation. I am running OS X 10.11.1, LabVIEW 2013 SP 1, NI-VISA 15.0, and NI-DAQmx Base 15.0.0. I set up and plugged in...
View Articlehow to enable the digital input filtering feature of NI USB 6525
How could i enable the digital filtering feature of an NI USB 6525?
View Articlehow to connect yokogawa wt3000E with labview using USB
Hi, I'm working on a project, i need to interface Yokogawa WT3000E with Labview 2013 using USB Interface, I have downloaded labview driver for yokogawa and USB Driver, I searched through the net and...
View ArticleAlternative free software
About a year ago my school was cleaning out a bunch of old stuff and they had some old NI SPEEDY-33 boards. Thinking they might be useful I grabbed a couple of them. After playing around a bit I...
View ArticleProgrammatically generate a single hardware timed pulse PXIe-6363
Hi I use C# but any language besides LabView is fine. I would like to programmatically generate a hardware timed pulse of programmable duration from 1µs to 1000 ms in duration. I have a level...
View Articledaqmx testpannel
Hello In our application we use a PXI-6509 board. During debugging we make use of the testpannel in Measurment and Automaition Explorer.Our problem now is that when our programm runs we can not use the...
View ArticleImplementing I2C Clock Stretching in HSDIO
Hi All, I've successfully implemented I2C Read and Write using NI I2C Library for HSDIO PXIe-6556. I understand how clock stretching in I2C works, but I'm confused on implementing it for HSDIO. Any...
View ArticleNiFpga Poke Function
Hello - it appears the NiFPGA_WriteXX functions perform the write and then verify that the write succeeded. Is there a way to perform a "poke" type function, where the write is performed but not...
View ArticleNI 7845 Board
When I useed NI-7845R board.I found have +5V connection,Who is know what to do is it? is output +5V or input +5V? Other I found have much GND connection and ADND connection,I want to know dufference...
View ArticleUSB-6501 Voltage at Random Outputs
I have my USB-6501 plugged in, and without running a program, I have +5 V at a bunch of random pins. Even stranger, if I unplug it and then plug it back in, the pins that I have voltage at will...
View Articlepower excitation for solenoid valves
Hi, 1. I need to select a right module for exciting solenoid valve which requires 24DC V. As per the forums, The maximum voltage that can be provided is 10V from NI 9237. 2. Also I need to operate...
View Article24 v digital out signal from host event to fpga turning on and off
Hello Ni forums Hardware Specs crio 9074 c series module ni 9472 module digital 24 V output To expand on the subject describes, I want to be able send an alarm trigger to the fpga 9472 digital out...
View Articlehow to speed up mydaq digital output
Hi, I am controlling a unipolar stepper motor through a Mydaq using digital write to pins 0-3. It is SLOW! Is there any way to speed this up? thanks in advance! Brian
View ArticleHSDIO StartTrigger Dynamic Generation Delay
I have a PXI-6541 card that I am using to trigger output on a PXIe-6341, using the nihsdio c# wrapper. The 6541 card is configured to be software-triggered and sends a start trigger from PFI0. To test...
View ArticleProgram DO-24V and DIO TTL-5V signal with wait time in a flat sequence
Hi All, I am new to programming DO/DIO. Basically I want to control 2 FET using DO and they take a signal of 15V/0V and 5V/0V to switch on and off. So I am using 1 DO-24V (NI 9472) and 1DIO 5V TTL(NI...
View ArticleNI USB 6525 Digital Input Signal Voltage
I have connected my circuit as in the attachment. From the voltage divider, i should have get a voltage reading of around 4.8V(LOGIC HIGH) when my X06 signal supply is 24V DC. However, i can only get a...
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