USB-6210: generate a continuous pulse train (frequency & duty cycle)
Dear all,I found a USB-6210 in my lab and I'm trying to determine if this device will fit my requirements.Unfortunately, I did not find the answer in the documentation. I would like to generate a...
View ArticleTCP/IP connection lost after connection
Hello,I am including a dll file for a digital I/O module.The DLL file works perfectly under VB.NET and C #.But under LabView I have problems.The TCP/IP connection does not stay upright, that means.it...
View ArticleIMAQ .BMP compression
I am encountering an issue with ' IMAQ write file 2' vi.I want to save a file as a *.BMP without compression.The file is returned compressed with the RLE_8 algorithm.I am giving "False" as compression...
View ArticleNI 9401 TTL to non-TTL signal
Hi Everybody,I am using Labview FPGA modules. I want to trigger 5V relay. I have got a NI-9401. This is 8 channel 5V TTL digital out module. But my relays isn't triggering with TTL signal.Briefly, How...
View ArticleUse USB-6501 to Control Outdoor Christmas Tree Lights
I have an outdoor Christmas tree which uses 16 LED rope lights and 4 same rope lights formed star with 8 sides on top (see attached picture). I setup/use it every year, but only either on or off all...
View ArticleNI-USB 6525 Not getting register_signal_event callbacks with...
I'm toggling inputs on an NI-USB6525 and trying to detect the change with a Python script.I'm able to write the lines and read them successfully after the write, but I am not detecting the changes. I...
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USB-6366 Digitail input ports
Hi,I am trying to input Digital 12bit data(5V TTL) into USB-6366(BNC Model).According to specification, PFI 0-11 can be utilized. However connector shape are BNC and another ports. It is not...
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DAQmx and NI IO Trace
Hi All, I am developing a C# program which can communicate the device through Digital I/O. In my PC I have a Digital I/O card. After I made the write code base on the DAQmx example, the code doesn't...
View ArticleNo DAQ Assist Icon on Labview
Hi, First of all, I am pretty new, I have never used NI's system.I am trying to capture the Digital signals via USB-6366 on Labview. However I can not see the DAQ assist icon on Labview.I believe this...
View ArticleControl a stepper motor using nidaqmx and digital output in Python
Hello,I have a problem using nidaqmx digital output to control a stepper motor in Python. I have read through the Python documentation (http://nidaqmx-python.readthedocs.io/en/latest/index.html ) and...
View Article7811R PWM and Digital IO
Hello everyone， I want to use PXI-7811R to realize PWM generate and duty test in Veristand，but I donot know if someone has done that. Can you share your custom device and labview project with me?...
View ArticleAccessing I/O
Is there any way to access the digital IO on the sbRIO-9637 without having to use LabView?
View Article#DO card NI - 6512 darlington driver IC A2982SLWT got damaged
Hi everyone,While testing application with NI - 6512 DO card, Diver IC A2982SLWT for first Bank(P0) got damaged(Burned). So after that i had checked wiring but i didn't found anything wrong with the...
View ArticleUSB-6501 如何把一脚设为高阻态?
有一个项目, 要随时控制一个引脚: 处于数字输出, 处于高阻态(HiZ) 如何处理? 我尝试把这个脚设为AI状态, 给出错误提示: 200430:I/O type of the physical channel does not match the IO type required for the virtual channel you are creating...
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9469 Setup - cannot discover connections
Hi, I have 3 CompactRIO chassis 9057's each with a 9469 card in slot 2.I have tried to configure the cards within MAX but i am unable to discover any signals connected to any of my chassis.I currently...
View ArticleWhich model should be used to replace USB-6501 , to generate fast Digital...
I want to use VB6 control USB-6501, but I can't find very detailed datasheet. I can only find some simple examples. But there is no more detailed information.For example, I want to know how to change...
View ArticleNi Module Suggestion
Hi Ni Experts, I am having trouble deciding which NI module suits me better. I am trying to do data acquisition temperature, pressure, and valve. In addition to that I need to implement PID controls...
View ArticleLabview FPGA cRIO-9014, NI-9403 pulse generation
Hello everyone,I don't have any experience with LabVIEW FPGA and I hope someone can help me with the questions below. I have 5V TTL NI-9403 DIO module and I want to generate some pulses with the...
View ArticleHow to read a 12-bit digital input using LabVIEW
I am wondering how to read 12-bit digital input using a USB-6008 DAQ and LabVIEW. I want to connect the MAX6675 thermocouple amplifier (https://www.maximintegrated.com/en/products/sensors/MAX6675.html)...
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数字模块的Update Rate是否导致无法并行输出数字电平？
想通过NI-9403数字模块输出两路PWM信号，其中一路设置比另一路延迟2微秒触发，但通过示波器观察实际延迟为7微秒(该值为NI-9403 Update Rate)，是不是虽然FPGA可以并行计算，但是数字模块无法并行发出多路PWM信号？下图是LabVIEW FPGA程序界面
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