PCI-6010 Sampling
Hello NI Experts, I am using PCI-6010 DAQ Device in order to acquire and generate signals from/to a pneumatic system. I am using channels that are following; AI9 : First Pressure Sensor InputAI10 :...
View ArticleEndReadWaveform hangs
When I run multiple data acquisitions using DAQmx eventually the code will hang on a call to 'EndReadWaveform'. private void AnalogInCallback(IAsyncResult ar) { try { if (runningReadTask != null...
View ArticlecDAQ1988
I have a couple of cDAQ1988 chassis that I've been using. When I ordered my last one, I got a cDAQ1988XT instead. As far as I can tell this is just an environmental differenc. But when I try to use...
View ArticleSampling for Digital 1D Wfm N Chan NSamp
Hello, I am stuck in getting multiple samples. System Configuration:NI PXIe-1062QNI PXIe-6341SCB-68 M Series I am using Digital 1D Wfm N Chan NSample for Data Output. I used data table for digital...
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PCIe 6351 Timing Blip when Writing to Analog Output
Hello, I have a control application that uses queues to push data from a processing loop where an output voltage is generated to a consumer loop where I update my analog output voltage. I have noticed...
View ArticleDAQ through which I can acquire a 12 bit digital waveform and digitally...
I need a DAQ through which I can acquire a 12 bit digital waveform and digitally trigger it with an external clock source. I had purchased USB 6351, but it did not fulfill my requirements. According...
View ArticleLow frequency generation 4461
Hi, I need to develop two frequency response analysis1. From 1Hz to 700 Hz (I have implemented it with pxi 4461)2. From 0.1 Hz to 700 Hz. Here the problem comes, I could not generate signals less than...
View ArticleDAQ interfacing
Hello friends, Can anyone clarify me with this- Is it possible to interface a normal breadboard , instead of NI Myprotoboard, with a C-DAQ(Compact DAQ) ?
View ArticleDAQ interfacing
Hello friends, Can anyone clarify me with this- Is it possible to interface a normal breadboard , instead of NI Myprotoboard, with a C-DAQ(Compact DAQ) ?
View ArticlecDAQ 9191 + cDAQ 9234 data acquisition using a smartphone
hi,Can you tell me a way of wirelessly connecting cDAQ 9191 + cDAQ 9234 to a smartphone.One can connect cDAQ 9191 + cDAQ 9215 to a smart phone using a firmware upgrade for the chasis.Can we do the...
View ArticleI have a NI 9146 with a NI 9205 & NI9211; How do I see NI 9205 & NI9211 on my...
I have a NI 9146 with a NI 9205 & NI9211; How do I see NI 9205 & NI9211 on my remote devices and interfaces. I currently see the NI 9146, but not the other two items?
View Articlemeasure mimimun voltaje using USB-6289 (avoid noise)
Hi.I need some help with my application.The principal idea is in a future measure a magnetic field using a magnet-resistor circuit (internaly: use a bridge weastone).(see the diagram...
View ArticleConfused by counters
I am trying to read a tachometer signal from a fan using my NI PXIe-6341, X Series Multifunction DAQ with SCB-68A accessory. I believe I need to connect my tachometer signal to the counter’s gate and...
View Articleerror in rewriting to the analog output buffer
Hi all, I am using 6711 card and trying to output some samples to analog channel. In the mid way, I will stop the task, redirect the buffer pointer, set the trigger mode and restart the task again. I...
View ArticleDisadvantage of dedicated task for each channel vs. multiple channels in one...
Hello, My current acquisition software (C++/GCC) wraps the rather unhandy niDAQmx C methods to interface with the DAQ hardware in a class that represents one acquisition task. This way I can create...
View ArticleRTD Measurement issues NI9205
Please excuse me if what I say may be confusing, as I haven't done much work with LABView. So our setup is as follows: RTD --> Connection Panel --> Signal Conditioner (RTD in, 0-10V out) -->...
View ArticleSync 2 cDAQ Sync Distance
Hello, I am planning to share the sample clock on two cDAQ-9188 chassis by using the PFI connections from the chassis itself (BNC connectors with a coax cable). What is the practical distance I can...
View Articlescanning mirror and data acquisition - memory overload
Hi all, I am new to Labview. I just bought PXI5122e and PXI6122 (with chassis) for laser scanning imaging purpose. In the VI, my idea is to move laser beam to one position, acquire data, then move to...
View ArticleMultiple modules same rate is not as requested - CDAQ
Hi, I'm trying to acquire several AI from 4 different modules (9227 current, 9219 12voltages, 9211 temperatures, 9207 pressures) using cdaq 9174 and then using just one module and several AI with USB...
View ArticlecRIO module for +-20mA ouput
I've got a requirment to drive a hydraulic servo valve from a CompactRIO. The valve require +-7.5mA to operate. I've only been able to find 0-20mA output modules for cRIO or PXI. Does a +-20mA ouput...
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