Durchflussmesser an NI 6001
Hallo ich bin Labview Anfänger und habe nicht viel Ahnung von Elektrotechnik, Ich will einen Durchflussmesser an einen NI 6001 anschliessen. Wie muss ich die Verkabelung durchführen ?
View ArticleFlow Meter on NI 6001
Hello I am Labview beginner and do not have much idea of electrical engineering. I want to connect a flowmeter to a NI 6001. How do I have to perform the wiring?
View ArticleAquire analog voltage synchronized with rotary encoder (NI-USB6251 /...
Hello community, i have a common problem to solve and i'm stuck with it. Problem:I have a analog voltage signal which i want to sample synchronized to a rotary encoder. I have these signals: A...
View Articlezero/null/no delay pulse generation on PCI 6602?
Hi! I need to configure a pulse generator to mantain a high output for N pulses sourced by a flow meter. (So that I can use another counter to measure this time.)Is it possible to generate such a pulse...
View ArticleDAQmx Capture encoder value on digital input.
I am using a PXI-6221 DAQ card and LabVIEW 2012.I have linear encoder that gives a quadrature signal and I have four proximity sensors that give a digital output.I have successfully implemented example...
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Error -200077 when creating C0Channel with PCIe-6321
Hello, I am currently trying to execute the "GenDigPulseTrain_ContBuff_ExtClk" example.But whenever I click the start button, the following error message appears: No matter what value I use for the...
View ArticleEncoder Edges to Angular Displacement Readout
Hi NI! (This will be my first post.) I have an encoder setup where I just want to read the leading edges of signal A (from an encoder. As the encoder is turned, I want to be able to find an angular...
View ArticlePPS jitter and 6683H
I have a 6683H connected to a PPS source. The PPS has a good long term (> about 1 minute) accuracy (About 20us) but a terrible short term stability (+/-250us). When I use the 6683 to time stamp a...
View Article6602 / 6723 Syncronization over RTSI
I would like to provide a syncronized reset pulse (once every 1.5 seconds) using a 6602 card and generate a continuously repeating analog waveform using a 6723 card. I require these signals to remain...
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Counter uncertainty on PCI 62221
Hello, I would like to calculate the uncertainty of a measurement using a counter (pulseweight measurement or period).I'm reading N samples and sum them at the end to know my total test time. I...
View ArticleArm a counter for a finite number of samples?
I have been successfully using a counter to read out a quadrature encoder syncronously with an external clock. Now I would like to try syncing this to a series of regular start triggers so that I only...
View ArticleSlave 6683H to system time
Can the 6683H be synchronized to the PXI controller system clock? I have a time sync mode (Fail over or while my IRIG board is slowly slewing to its proper sync state) where I use a UDP packet for...
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DAQmx Angular Encoder Velocity
I am using the "CI Angular Velocity" DAQmx task with an NI9361. It works for the most part. However, I am running into a problem where the velocity value hangs at the last valid measurement. In...
View ArticleEncoder measurement with myRIO
Hi everybody. I'm using a 3 channels quadrature encoder (http://www.maxonmotorusa.com/maxon/view/product/sensor/encoder/Encoder-HEDL-5540-500imp/110518) with myRIO. Im using the Encoder function from...
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Reading a counter is really slow
I have some pretty simple code that tries to read out a counter at <8 Hz for display on an X series. On each read 1024 samples are requested and then displayed. I've noticed that reading out the...
View ArticleProblems in Synchronisation between AI and Counter
Hi, I am using NI USB-6353 to measure an analog input signal and counter periods. The two created tasks must start synchronously.I used this VI as a template and only changed the Encoder Configuration...
View Article3 PWMS and RPM measurement with 9178 chassis and 9401 digital module
I want to have 3 PWM control channels and 1 RPM measurement channel using a 9401 module and the cDAQ-9178 chassis. I want to make sure I'll be able to utilize all 4 counters, as I think according to...
View ArticleHow to gate a non-continuous counter output pulse
Hi,I've configured a PCIe-6612 counter to generate a single pulse every time an external trigger occurs. Triggers occur at ~1KHz. Now I'd like to gate that output pulse - the pulse should only occur...
View ArticleRetriggerable buffered counting edge task
Hi, I am performing buffered noncumulative TTL pulses counting using NI6602 board. Basically, what I am doing is performing period measurement on Ctr0 (Configured as CIPeriodChan) using an external...
View ArticleSpurious signals using differential quad encoder
I'm getting occasional bad counts on my pcie 6323 that cause the instrument to drift out of position with where the NI board thinks it is. Although the signals out of the encoder do not look that...
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