Help with photon counter data acquisition using LabView 12
Hey All, Chemistry graduate student here brand new to LabView and looking for some help to move in the right direction. I am looking for help with connecting my PerkinElmer SPCM-AQR-14 (now owned by...
View ArticleDigital Frequency Measurement for cRIO
Hi, I'm new to LabView, and I'm having problems setting up a VI for frequency measurement. Any tips would be greatly appreciated! Task: I am using a cRIO with a digital I/O module (NI 9403). My goal is...
View ArticleGenerating 2 clocks with different phase using PXIe-6674T ??
Hi, is it possible to generate 2 clocks (same frequency) with different phase using PXIe-6674T ? regards,Yan.
View ArticleIs it possible to store ultrasonic sensor data till get to the next required...
Hi, I have a proximity ultrasonic sensor used to control a weeding device. I am using the sensor to detect the differences of plant heights. Plants are weeds and crops, I want basically to kill weeds...
View ArticleIs it possible to connect PCI-6221/BNC-2110 to encoder signals A,B and /A,/B?
Hi! I've connected the encoder with BNC-2110 but only A,B signals. Is it possible to wire /A,/B signals to BNC-2110? Thanks for Yours help.
View ArticlePWM measurement with NI 9411 is never zero
Hi folks, I am using the NI9411 DI module on a cRIO 9074 to measure a 1 kHz PWM signal.I created an empty project, set the mode of the module to "counter" "pulse width measurement" "High pulse" and...
View ArticleIs it possible to synchronize two NI USB-9162 chassis?
First of all is this question in the right location? Or should I post it to signal conditioning? Anyways I am attempting to collect voltage differentials using two NI USB-9162 Chassis, one with a NI...
View ArticleCan I use the the measured time between the first count and the last count in...
I am measuring velocity using a linear encoder. Resolution is 40microns, sample frequency is 1MHz and the real velocity is oscillatory in nature with an amplitude of 200 to 400 mm/s with a freq of...
View ArticlePCIe-6321 counter failing at high frequency
I'm trying to use the counter on the 6321 as a frequency divider that takes an 80 MHz sin wave input and generates a 10 MHz square wave output by digitizing the output of a 50 ohm device on PFI0. The...
View Articlewhy does error 200279 occur at high speeds only?
I am using a VI very much like the one attached here, and as my motor speeds up and the period value decreases, the vi fails, and error 200279 shows up as displayed in the attached 2 jpg images. This...
View ArticleNI USB 6008 AI acquisition and DO pulse genereation
Dear LabVIEW users, Greetings for everyone. I am a beginner of LabVIEW and I have a problem, which I have solved partially. I would really appreciate your help and suggestions as I searched for days...
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NI get the data from very Old Frequency Counter
Dear all My project need to get the data from very old Frequency Counter. ( See in picture ) It is don't have the output port. My question1. Have the method or buy some Equipment for get the data from...
View Articlecan I use two chasses and two 9401s for more counting channels?
Hi, I am currently using cDAQ9174 and NI 9401 and the four counters in the chassis to measure the periods of 4 separate (simultaneous) encoders in a vi. All four encoders are running at the same time,...
View Articleprogram in c to read quadrature encoder didn't work (NI 6220)
Hello,I have a NI-6220 and I connect quadrature encoder to it . Then I use Measurement & Automation program to read the encoder and it works well.the problem when I use the c++ program it doesn't...
View ArticleCounting edges within a period
Hello, I'm still fairly new to labview and so I could use some help on something I'm working on. I need to measure two things from an encoder, the RPM, which I can easily do via the index; and the...
View ArticlePulse train generation issue-PCIe-6320
Hello all.. Im using PCIe-6320 x series daq to generate pulse train.I have gone through the examples found in the labview to generate digital pulses.Provided vi runs without any error,but i couldnt...
View ArticleNot recognizing 2 seperate 9401 modules
I am attempting to run 7 counter/timer loops off of 2 9401 modules within a CompactDAQ chassis (slot 2 and 5) and continually get the error code of 200371. After a bit of digging we found that in DaqMx...
View Article3A Counter
Anyone have any low cost/simple solutions to count the contact closure of a microswitch with 3A, 28VDC running through it? This is for a life cycle test to test the life of the microswitch.
View ArticleFrquency & Duty cycle Value changes- every time
Hello all im using pcie 6320 to measure the frequency and the duty cycle of a signal.i have attached my vi & the data measured for reference.The values highlighted in red ,is my actual frequency...
View ArticleGet more resolution (digit) from agilent 5313xA read measurement
Dear all I am working with LabVIEW 12 and Agilent 53132a (Universal Counter).I am using Agilent frequency counter to monitor frequency of my devices. I use Labview and GPIB to record my data and for...
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