USB 6501 Event Trigger and Buffering
Hi, How to use NI USB 6501 to capture a event based trigger (from external source) ? The trigger is based on a random event. Is it possible to buffer some trigger, if the event trigger rate is very...
View ArticleBuffering with USB 6501
Hi, I have an event based trigger of 250 n sec. The event is random and can be occured anytime. But the duration of pulse if very short i.e. 250 n sec. I am using NI USB 6501 to capture this trigger....
View ArticleSetting up virtual SCXI 1600
Currently using a SCXI 1001 with SCX 1600 communication to PC. I am trying to develop a labview application at my desk that I can bring to the existing system but I cannot get the virtual instrument...
View ArticleAC voltage measurement - RMS conversion - Signal Express
Hi all, What I am trying to do is record 20 different AC voltage channels ranging from 0 to 7Vac RMS @ 3000 Hz each (sine waves). The recording software I want to use is NI SignalExpress. The voltage...
View ArticleTriggering and synchronization
Hi everyone I'm in the process of wiring my data acquisition system. I'm using Cdaq 9178 with NI:9203 and Ni :9472. the dig. output from Ni9472 will be used to energies Solenoid valves through...
View ArticleDAQ
Hola a todos, quisiera conectar un adquisitor de datos (que no es de "national instruments") siendo mas especificos es una pequeña empresa conocida como "Pocket Logger". por tanto el momento de...
View ArticleCan DAQ module input be read by two or more LabVIEW vi at same time%3F
I am using the DAQ palette in LabVIEW to read virtual channels from DAQ input module. I have made many VI that read many inputs of three simulated modules. The problem appears when i run two or more...
View ArticleError -200088 with USB 6009
Hi all,I'm a new user to Labview and trying my first steps. (currently the Demo Version 2013)I want to read analog values via a USB6009 device. All drivers installed via the supplied DVD When I try to...
View ArticleHow to simultaneously Read scope 0 and scope 1 of elvis ii?
Dear all: I am a user of LabVIEW 2010. Recently, I have downloaded the lockin start up kit. I want to use ELVIS for the signal input. I want to input the data signal and reference signal using scope 0...
View Articlebuffer size or sampling frequency?
Hello, dear fellas! Im having a huge misunderstanding with labview on sampling, tried to figure it out different ways but it wouldnt work, and it starting to feel like it works with specified...
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Noise on AI channels linked to DAQmx timing source
I have a data acquisition system which consists of a PCIe-6321 X series card and a 9636 sbRIO. I mostly use the sbRIO for high accuracy counter tasks, but I also use it to produce a 50% duty cycle...
View ArticleUSB 6009 analog input - DIO Issue
I recently laid out a printed circuit board to connect to the USB 6009. There is a single ground plane layered in the board for both the digital and analog circuits on the board. The digital IO is...
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SignalExpress: System logs for 5 minutes, then terminates with "Sample period...
Hi all, I'm puzzled by this issue. My customer has a very simple SignalExpress acquisition task (20 channels, acquired once every second) for a networked cDAQ chassis. The Acquisition Mode is "1 Sample...
View ArticleTraditional NI-DAQ to NI-DAQmx
I am a LabVIEW Neophyte. I have inherited a LabVIEW project from a previous employee long gone from the company I work for. The project was written using Traditional NI-DAQ and I need to update it to...
View ArticleHow can I create phase shift between two arbitrary waveforms?
Hi All, I need your professional suggestion. I am trying to use USB-6218 to output two analog voltage signals of arbitrary waveforms. I use the "Simulate Arbitrary Signal" to define the signal. The...
View ArticleNI cdaq 9174 not recognized DAQmx 9.8
I am trying to install and use NI cDAQ 9174 with NI 9862 CAN modules. But for some reason cDAQ 9174 is not recognized in MAX or signal express and am unable to configure it. It shows up in Windows...
View ArticleDAQmxReadCounterF64() timeouts blocking program runtime
Hi, I have a PCI-7342 board connected to a MID-7652 box that is being used to control a servo motor on a rotary axis with an encoder. I also have a PCIe-6323 board that is used to read a quadrature...
View Articlepxi 6713
Hi everyone, I have a DAQ called NI PXI 6713. Can anyone tell me if it is possible to use this card to acquire some voltage signal? Can this card support analog input? Or shall i buy some new cards to...
View ArticleUsing basic DAQmx drivers for a HS-DIO Card?
Hi, I have ready-made programs for Non-HS-DIO cards which uses DAQmx drivers for example basic configuring, reading and writing. Now I need to use HS-DIO card (NI PXIe-6535). Do I need to regenerate my...
View ArticleVB6からDAQmxAPIを使っての計測
OS:Windows7、言語:VB6を使って、PCIe-6321からAD変換を行い計測をしています。特に問題なく動作しているのですが、過電圧（入力レンジオーバー）がかかると、PCIe-6321がフリーズしてような状態になり、パソコンを再起動しないと次へ進めない状況になります。VB6のプログラムは動作継続しています。そのようなことってありますか？また、PCIe-6321がフリーズするような状況はどんな...
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