PWM dimmer for LED
I'm a new in LabView programming. Currently I have a NI USB 6008 DAQ and want to build a PWM dimmer control for LED lamp. The project suppost have an intelligent rule to dimm the lamp if detect no...
View ArticlePre-triggering multiple PXI-6133 cards using a PXI-6651
Hi, I would like to trigger 41 channels (over 6 PXI-6133 cards) using 2 triggers. One trigger is like a pre trigger, and the second a start trigger. So I would like to acquire data starting from the...
View ArticleError -200279
I have a PCI 6250 board and a SCC-68 box. I would like to use one of the analog inputs as a trigger signal to start acquiring an analog signal and to output a pulse signal simultaneously. This is used...
View Articlewireless audio transmission
Hello,I am looking for a measurement of audio signals (from two microphones) and has to be transmitted wireless.Is there any solution with NI devices.E.g. direct two channels input from two Microphone...
View ArticleSynchronize two DAQmx tasks on different cards with a counter
Hi, I'm trying to synchronize two DAQmx (PCI-6133 and PCI-6733) cards with a counter. The cards are connected with a RTSI cable. I'm using the 20MHz reference as well as the counter output of one card...
View ArticleWas zu tun beim / What to do when: Error -88705 occurred at Self-Test...
Was zu tun beim / What to do when: Error -88705 occurred at Self-Test System configuration:Windows 7 32bitNI-DAQmx 9.3.5 what is the solution?
View ArticleNI 6008 increasing resolution by restricting range?
Hello, I am wondering whether or not it is possible to increase the resolution of the NI 6008 by restricting the range in the labview software? For example if I set it to -5 to 5 V instead of -10 to10...
View ArticleFrequent point sampling
I have a 6008, accessed by DAQmx.I am producing a custom feedback loop. Since the analog output only has a sample rate of 150Hz, that's the maximum overall rate of the feedback loop.I am trying to...
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How to immediately stop finite sampling and TTL signal?
Hello I am new to DAQ programming and I'm looking for the right direction upon which I should go.My rig is PCI-6120 multisampling card + BNC connector and a brand new PC. What I need from DAQ: 1....
View ArticleMAX does not recognize USB-6501
I have USB-6501 (OEM). I installed NI-DAQmx8.3 ( The computer I worked with has windowXP). But, The MAX does not recognize it. What should I do?
View ArticleTiming
Hello, Attached is a program that I would like to have only run for exactly 3 seconds when it is triggered. How can I achieve this? The program is basically controlling a servo motor/ quadrature...
View ArticleDAQmxResetDevice Error -223747, PCI-6220, Version 8.0.1f0
At most installations the application (Matlab based, compiled application, measuring with PCI-6220) works fine.At only one installation I sometimes get error -223747 (internal software error) when...
View ArticleSeemingly Random Error with DAQMx, C#, NI-6251 PCIe
Hello everyone, I've got a C# application that collects data from a NI-6251. The application is actually 3-4 years old now and have been running fine for the most part (there are problems but none...
View ArticleConfidence level associated with Accuracy details in data sheet
What is the confidence level associated with the Accuracy details in the data sheet? Specifically, I'm interested in the 9205 Analog Input. Data sheet here:...
View ArticleNI 9211 Accuracy Reading
Hi, Here's my setup:-developing code using LabVIEW 2012-cDAQ-7142 with NI-9211 (calibrated) TC module using J-type TC-measuring temperature range from 0-100 deg C I am developing an ATE for a...
View ArticleConnecting Thermistor and Transducer to NI9219 or NI9221
Hello,I am very new to DAQ system and I am having few problems with what appears to be a simple setup from parts in my lab It seems like that the previous student bought parts and was able to...
View ArticlecDAQ-9174 4 AI tasks
I know that cDAQ-9174 have 3 AI timing engines which gives me a maximum of 3 tasks with different sampling rates.I have a system with 4 modules (9221, 9205, 9229 and 9211), one of which is for...
View ArticleInstalling NiDaq on Windows 7
I am trying to install Traditional Ni-Daq on a windows 7 computer using the beta 7.5 found at the link below but i keep getting a message that says the downloaded file is not a valid windows 32...
View ArticlePCIe-6363 providing sample clock to PCIe-6537
Dear All, I have a PCIe-6363 and a PCIe-6537 card installed on the same computer and connected by an RTSI cable. The PCIe-6537 receives sample clock from PCIe-6363 through RTSI . I generate a counter...
View ArticleDaqmx Multichannel read issue, cannot use while loop
I am using my PCI-6251 to monitor an incoming voltage, when a voltage rise begins an output signal is triggered thru the use of a counter output. Also in this VI there is a structure for image...
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