Self-triggering a pause that is externally resumed
Hello! I'd like to have an analog output card output the first part of a buffer, and then pause itself until it receives an external trigger to resume outputting the rest of the buffered data. The...
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M-series Re-triggerable Counter
Hi friends! I desire to count the number of pulses on a PFI line for a fixed time after a trigger is received. This process should be hardware timed (not software timed). The counter should be reset...
View ArticleTwo-edge separation and arm vs. read
Apologies for a novice question. I've read several forum posts, and still not sure I follow the best approach for my application. I am using some 6614 boards. I've configured nine counters for...
View ArticleConfiguring NI 9361 Terminal
I have 3 linear encoder and I will use NI9361. It wil be connected single ended encoder. But I do not need Z index signal. Can I configure it as digital input for error signal instead of Z signal? If...
View Article"CO Pulse" clock division
I've been going around with NI tech support for a few days without much progress, so I thought I'd try here. I have an old system using a PXI-6602 (80MHz timebase) with Traditional DAQ and LabVIEW...
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DAQmx Continuous Counter Output doesn't close
I'm not sure if the issue I'm seeing is hardware or software. The intention of the piece of the program pictured below is to continuously pulse as a piezo stage moves to various programmed positions,...
View Articlepulse generation with python API
Hey, I'm using a USB 6212 device and am just trying to make a simple pulse generator using the python API, I've tried using the example here...
View ArticleTwo Counter (Finit Saples) Controlled by 3rd Counter.
Hi,This is my first consultation in this forum and I hope it is not the last!My sutuation is this:I generate three frequency-dependent signals, called in my case F0, F0_NOT and Ping_Rate.- F0 and...
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Generate a Specified Number of Pulse Signals Using NI USB-6211 with MATLAB
Hello all,I need to generate a specified number of pulse signals using NI USB6211 and MATLAB DAQ toolbox to control the stepper motor. For example, 6e6 pulses are in need in about 1min of time. I'm now...
View ArticleUse Counter to Trigger based on Quadrature Encoder input
Hello, I've used NI DAQ hardware before, but I've never used a counter. I'd like to use a counter with the quadrature encoder output from a stage to send a trigger pulse every time the stage travels a...
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Counter Output Application
Dear techniciansI use Ni USB 6363 (BNC).There is an external known pulse signal that will be used to control my output of finite or continuous pulses: when the known pulse is at a high level, my...
View ArticleDetermine if a signal has a duty cycle or if it is digital high/low on a...
Hello,I would like to perform a task with very high precision (preferably to within at least a microsecond of precision) using Python and the NI-DAQmx API that involves performing several task.start()...
View ArticlePulse Train Generation not Working
Hi there, I have a PCI 6229 DAQ installed in my PC and I am accessing it using the SCB-68A breakout board. I am struggling with generating a Pulse Train using either of the counters on-board. Here is...
View ArticlePXI-6221 Continuous Pulsetrain Generation
Hi, I have a PXI-6221 that I'm trying to use to generate pulsetrains but running into issues. Objective: generate 3 different continuous pulsetrains from PXI-6221 and output two 3 separate PFIs....
View ArticleNI6003 counter become half num when write do
Dear all I use labview to try write an counterif only run counter task,the counter value is correct valueand i add the do task,the counter value also corrctbut when i write true or false to DO taskthe...
View ArticleRPM measurement using Counter input with cDAQ-9174 and NI-9401 card
Hi, I am trying to measure the rpm using counters with a 9401 DAQ card and cDAQ chassis. I tried some programs available in the forums but I am not able to get the rpm using counters input. I am using...
View ArticlePCIe6612 compatible with BNC-2110?
Dear NI tech, I want to buy a PCIe 6612 and wonder if the BNC-2110 is compatible with it? If not, should I purchase a BNC-2121? I want to use the PCIe 6612 to count the pulses from an SPCM as mentioned...
View ArticleEnergy meter Lovato
Hello, I'm a Labview beginner. I need to acquire the pulse output signal from a Lovato DME D300 T2 device with a USB-6001. What is possible and how is the wiring done?I thank in advance whoever wants...
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NI 9402 - max output current per channel
Hi everyone!I was looking for the maximum output current per channel in documentation, and couldn't find,I need to build a separation with optocoulper, I have found in "getting started guide" that...
View ArticleLinear Quadrature encoder on USB-6210 not reading properly. What am I missing
I have a Celesco PT150-0050-111-51X0-7803 Linear Encoder with Input A connected to PFI0 and Input B connected to PFI1.I'm reading the ctr1 and getting values, however, it wouldn't operate...
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