Synchronisation issue between output signals generated by two tasks
Hello everybody, Here is what i would like my PXI 6259 generates : - t0 : - a 62,5 kHz digital output pulse data signal (on port0/line1) - a digital signal S1 at +5v output (on port0/line2)...
View ArticleHow to determine which simulated device to use?
I am trying to create VIs for different instruments (e.g. force gauges, thermocouples, strain gauges, etc.) but don't usually have acces to the instruments as they are usually in use by others with a...
View ArticleUSB6009 Digital Input : Problem to acquire logic signal
Hi, I need to acquire 3 signals. I use Digital Input from USB6009 2 signals (P0.0 & P0.3) are periodic square 180µs (UP then down) The third signal (P0.2) is not periodic but has High Level during...
View ArticleDDC CLK OUT of PXIe-6556
Is it possible that clock on DDC CLK OUT of PXIe-6556 can not be continious? For example, if necessary generate only N-periods of clock.
View ArticleControlling a digital output channel with Metamorph
Hello everyone, I am using a NI USB-6501 Board to toggle the shutter of my lab (XCITE DC200). This is working perfectly fine with the MAX software. For my experimental designe I need to toggle it...
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Alternative voltage generator to USB-6009
Hi everyone, I am using USB-6009 in order to control the voltage across 5 identical LEDs in parallel through using labview which will be later on used for PID temperature control ( the connection can...
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When I set an FPGA I/O pin high, the voltage goes high then decays
Using the Front Panel of my LabVIEW FPGA program, I change an FPGA I/O pin from low to high. I look at the signal on a scope and find that the output momentarily goes high and then decays. I can't...
View ArticleReplacement for PCI-8335 MXI-3
I'll looking to rebuild an industrial PC that currently has a NI PCI-8335 MXI-3 card in it. This card is connected via fiber to a NI PXI-8335 MXI-3 card. The new PC's OS will be Windows 10. Can you...
View ArticleProblem with scripted waveform generation HSDIO
Hello all,I am using a PXIe 6541 card to dynamically generate a sequence of waveforms using a script. With a clock frequency of 10 MHz, my test script looks something like script myScriptgenerate...
View Articledaqmx start digital edge retriggerable from counter output
using daq-mx (labivew 2012) and two counters, ctr0 is 1000 Hz, continuous samples with pause trigger coming from ctr1 at 20 Hz, continuous samples, obtaining continuous 1000 Hz bursts at 20 Hz. We...
View ArticleChanging voltage level Digital output NI9477
I need to actuate solenoid valves which operates at 12V DC. All valves are connected to Digital Output Module 9477.But how do I set voltage output level of Digital Module as 12 Volts
View ArticleNI PCIe-6536B digital I/O - hardware & software (NI-DAQmx driver)...
I have started working on a development system that has had a NI PCIe-6536B digital I/O card installed. Also installed is the NI-DAQmx 16.0 driver software. However, I am unable to find my NI...
View ArticleCan I use DIO port of NI8451 as extra CS lines ?
Hi, I have 30 slave devices to communicate, but the USB-NI8451 only have 8 CS line. I am thinking I can use the DIO port as extra CS lines. Is that possible?And then I can use two NI8451s to...
View ArticlecRIO 9002 digital output
Hi,I'm trying to control some servos for my final project and i'm using labview 8.5, cRIO 9002, chassis 9102, and NI 9472 digital output module. I know it's kind of old but it's what i got. The main...
View ArticleInstallation von NI-USB 6008 unter WIN 10 funktioniert nicht
Guten Morgen zusammen, leider ist es uns nicht gelungen, auf einen neuen Rechner mit WIN 10 unser USB 6008 zu installieren (auf unserem alten Rechner mit WIN XP läuft das device und die Software ohne...
View ArticleIs there a way to trigger a PXIe-6556 PPMU measurement while the instrument...
I'd like to be able to take measurements with the PXIe-6556's PPMU(s) while the instrument is running a digital pattern. While it is possible to output an event trigger from a pattern step while it is...
View ArticleHSDIO Transmission Line Length
I need to design a board with a specific transmission line length. When using the 6556 and a 1M cable, how can I guarantee the line length? Where should I assume the start of the transmission line...
View ArticleSPI Communication using PXIe-6556
I routinely have to communicate with various ASICs using mostly the SPI interface and occasionally the I2C bus. Typical usage would be to write to programming registers in the ASIC or reading back the...
View ArticleNI USB-6501 outputs signal when plugging in
I received a new USB-6501. After installing software and hardware, I noticed it gave a "on" output signal (and turn on my down stream instrument) when plugging/unplugging USB cable and turning on...
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