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Channel: Digital I/O topics
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NI-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...

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No 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...

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Control 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...

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7811R 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?...

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Accessing I/O

Is there any way to access the digital IO on the sbRIO-9637 without having to use LabView?

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#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...

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USB-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...

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Which 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...

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Ni 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...

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Labview 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...

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How 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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pxi 6515 output not working in NI Max

Hi,I am trying to test my pxi6515  digital io and i cant get it to output a voltage in the SCB100A terminal (P7.0 and P7.1) I am operating it through NI Max, Vcc is connected to 24V (pin 96) and ground...

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PCI-6503 on a PCI-e port with an adapter

Hey guys, We have a PCI-6503 card and we wish to use it with a CPU motherboard which has only PCI-e slots. My IT guy is unable to procure a CPU system which has a PCI port and suggests that we should...

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PXI 6512 continuous waveform generation

My PXI 6512 task is giving an error saying that its not supported. Is it not possible to generate a continuous pulse using PXI-6512 ? I am using onboard clock as clock source. What should be the clock...

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PCI DIO 96 power off condition

I am sharing an appliance which contains LEDs that either of two PCI DIO 96 cards can sink the LED to turn it on - a 'wired-or' condition. This works great as long as both of the PCI DIO cards stay...

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No driver for PXI-6514 ?

Hi there,i look at NI website and did not find any driver (wether it's IVI or Labview or something else) for the DIO PXI 6514.Any idea ? Best Regards,Colin.

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