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DAQ program
I'm trying to write a program that runs in a loop and samples 11 different channels on a NI USB DAQ 6343 device continuously. The first 10 channels are simple DC measurements, the remaining channel is...
View ArticleNeed a new USB Multifunction DAQ device
Hello, Currently I use a PCIe - 6321 Multifunction DAQ device for controlling my stepper motor. I need to change the PCIe - 6321 and use the stepper motor with a USB Multifunction DAQ device similar to...
View ArticleWhat does hysteresis actually do in the "Voltage - Continuous Input.vi" example?
I've been working with DAQmx long enough that I feel silly I don't understand "hysteresis" in relation to analog triggering as well as I should. For example, looking at the very basic "Voltage -...
View ArticleWhich DAQ for my project? USB or PCIe ?
Hi, We would like to do measurements with >200 kS/s for around 5seconds at max. samplerate.We are operating a DMD which sends at the beginning of the measurements a trigger signal to the...
View ArticleUSB-6003 support for LV2009?
Does not seem to exist. DAQmx versions that support the USB-6003 exclude LV2009. Unless I have missed something. Any suggestions? Thanks Ed K
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Question about DAQ sampling
I am wondering, if I set the DAQ for continuous sampling and set the rate to say, 1 khz, then I read a single sample DBL value within a loop, what am I reading at that sample? Is it an average of the...
View Articleimpulse on periodic signal from DAQ
I'm using a myDAQ to measure a perioidic voltage signal, and I want to find the maximum and minimum of this signal. When acquiring the signal though, there seems to be a large impulse in the start of...
View ArticleLow Frequency
Hai guyz, I have developed a code to save data while the cDAQ is taking reading. Its fine when I set it to 1Hz with the save data showing data taken at every 1 sec interva. But when I tried to make it...
View ArticleExternal Trigger PCI 4472 and create a timed loop using this trigger
Dear all, I have PCI 4472 card. I want to trigger this card using analog voltage from external source. I have referred to the example " ...Acquire voltage..Int clk_Start analog edge" ... I have been...
View ArticleNI6008
Bonjour,je souhaiterais communiquer avec un module esclave en SPI. j'ai à ma disposition le NI USB 6008. J'aimerais savoir si je peux utiliser les 12 E/S numeriques de NI USB 6008 en tant que broches...
View ArticleManaging Tasks on Ethernet cDAQ - Best Practice
Hi all, I'm currently working on a multi-station machine to perform functional product tests using an NI cDAQ 9188. Each station in the machine performs the same function but is intended to run...
View ArticleAmplitude difference in P0.0 pulse on PXIe-6124
Hi, I've been examining the digital output pulse from P0.0 on the PXIe-6124 and noticed a difference in amplitude when measured on an Oscope vs on the PXIe-6124's Analog Input. The pulse measured on...
View ArticlecDAQ-9134 Not Recognized Over USB
I've tried 2 separate computers, and neither recognizes the cDAQ device at all. I've tried multiple USB cables, and a bunch of other things. Just looking for some other options at this point, I need to...
View ArticleWhile loops
Hi guys, I have a code that includes several loops:A flat sequence inside a case structure which is inside a while loop.At the very end of the flat sequence i have a display message VI, when i press...
View ArticleHumidity measurement
Hai guyz,I'm new at using NI harware so I hope my ignorance will be forgiven. I've just been given a task to measure humidity, %RH, using NI cDAQ-9184. I've been given NI 9205, NI 9211 and NI 9203 I/O...
View ArticlePCIe-6341 card not detected by Device Manager or MAX
Hi, New PC with Windows 7 WES, I have two PCIe-6341 DAQ Cards installed to Slot1 & Slot2. Both cards inserted to Slot1&Slot2, Card1 (serial 01A32C71) appears in MAX as Dev1. Card2 does not...
View ArticleHow come I can only import cDaq devices into NI MAX (that I have saved in a...
How come I can only import cDaq devices into NI MAX (that I have saved in a config file) as simulated device and not actual devices? Is there a way to make them not simulated?
View ArticleSCB-68 Pin#8 (+5V) not working
Hello, I am using PCIe-6321 DAQ and SCB-68 connector block to connect two stepper motor drivers and drive the stepper motors. I need to provide +5 volts to my driver in order to power the emitter diode...
View ArticleC series module will not pop up in configuration tree cDAQ-9171
On the NI-Max program i can not get the C series module to pop up on the configuration tree under "devices and interfaces". It says its supose to do it automatically but it wont popup. I have a...
View Articlestart data read on positive trigger and stop on negative trigger on DAQ-6343
Hello everyone, I am using USB DAQ-6343.I have assign task to read data on positive edge of Digital signal and its Negative Egde I ahve to stop reading data.I am giving clock from external hardware.Now...
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