NI-845x SCL electrical level always low (USB is not connect to PC and connect...
I had got two NI USB-8451 one is working, the other isn't working, using scope,I found that the broken one's SCL electrial level always low, not familiar with SDA Pin, how can I deal with it? when i...
View ArticleCheap LEDs ?
Hello,I want to buy some cheap LEDs on Allieexpress or anywhere else, Any recommandation if someone has already bought this?
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Which wiring is differential? (drawn diagrams)
Hello Community, I need your help wiring differential for our current input cards (NI-9253). We have also bought NI-9202 Voltage input cards which are also wired up for differential. Below are our...
View ArticleCan NI USB-8452 turn 5V on and off? (using DIO)
Specification of NI-8452 link: https://www.ni.com/documentation/en/i2c-spi-interface-device/latest/specs-usb8452/specs/ Can NI USB-8452 turn 5V on and off? In specification, DIO output can be only...
View ArticlesbRIO-9627 I/O Clock Output Jitter
I'm using an NI sbRIO-9627 to provide clock signals for sigma-delta ADCs. I'd like to know what the RMS jitter of the I/O clock output is, as I can't find a concrete number in the datasheet/user...
View ArticlesbRIO-9627 Output Clock Jitter Filtering
We are considering using the NI sbRIO-9627 to provide a stable and low jitter clock signal (20MHz clock derived from the 40MHz internal oscillator fed to the FPGA) for sigma-delta ADC’s. This would be...
View ArticleLead Times
NI seems to make a good products, however with the lead times to get boards, I am being forced to go other directions. If this company wants to stay in business this needs to be addressed. In the time...
View ArticleNeed help with NI-USB6501 and inverting lines of a DI channel
Hi, I'm trying to achieve the following and not sure how to. My interface with the outside world is giving me 5V when i need to detect something as active when calling the DAQmxReadDigitalLines...
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100kHz Variable Digital Output Pulse Train
I have to output what amounts to a Finite Non-Repeating (Variable) Digital Output Pulse with 61 Million points at 100kHz. I imagine I can't use the Finite Samples timing method but rather have to use...
View ArticleDifferential measurements on NI9025
Hello,I am trying to measure a differential voltage across a FET, FET is operated at 48V but the differential voltage will be less than 1V.Can I configure NI9205 as differential voltage measurement
View ArticleWriting Digital Outputs in USB-6002
Trying to understand how to use Tasks and Channels to write Discrete outputs. I see where a Task encapsulates operations and information, and that one or more channels are created and assigned to a...
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sbRIO-9627 RMC Connector Pinout Mapping
We are planning on developing a custom RMC board to use with the sbRIO-9627 however, we are uncertain about the pinout/orientation of the RMC connector, as the sbRIO-9627 user manual is not clear on...
View ArticleSH68-C68-S Shielded Cable
I am using SH68-C68-S Shielded Cable with PXI 7831R FPGA for signal acquisition. In some of the twisted pairs (in SH68-C68-S), the DIO lines are paired with other DIO lines instead of DGND. Will it...
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PXIe-6544 HSDIO Waveform Generator
Hi NI Community, I'm trying to use the module HSDIO PXIe-6544 to generate a clock (square wave) of a specified frequency. I found an example in the LabVIEW examples and made changes to it. This is...
View ArticleSincronización LabVIEW y Arduino
Hola!Estoy haciendo un control del temperatura con un DHT11 y arduino, para poder controlar un ventilador y un calefactor (foco). Bueno, pues ya he armado el block diagram y el codigo de arduino, y...
View ArticleNI Vision Builder AI and NI myRIO-1900 can communicate?
Can the Read/Write I/O in NI Vision Builder AI be communicated with NI myRIO-1900? I want to control an alarm through NI myRIO-1900 based on the Pass/Fail result of NI Vision Builder AI. Thank you.
View ArticleNI 9401, delay in sending output signal in different channels
I was messing around with a 9401 using LabVIEW's built in digital - continuous output example vi. I noticed that for every channel there is a delay from when the vi is run and the signal actually being...
View ArticleI have a C-9184 4 slot system and a 4-20ma HART sensor.
I'm trying to get output from this 4-20mA HART sensor. I'm using NI-9205 and using ai0 but and not getting any output. Should my card be different than NI9205? trying to use MAX and my input is 21mA...
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Digital waveform output problem
Hello, my hardware is PCI 6251, 6351 and BNC-2120.I made vi that can make analog waveform signal to digital waveform signal. I have problem with digital output.In vi digital waveform graph, I can see...
View ArticleHow can I increase the number of digital inputs?
The goal is low latency and simultaneous button presses. It should be able to read all 100 buttons simultaneously, and rather quickly. I posted a more general question regarding my whole project, but...
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