USB-6001 troubleshooting hardware
Thank you for any help you're able to offer with my following scenario:I have the 6001 set up for a number of tests, but one in particular was set up incorrectly, and we understand how and why and have...
View ArticleConfiguration of SCXI systems
Good afternoon, I consider buying an SCXI front end for a PCIe-6321 DAQ. However, because the DAQ is installed in a testing machine, I have no software access to it. Can the modules in the SCXI be...
View ArticleMax and Min limits don't affect analog input of NI 9239
Hello,when I set Max Input Limit and Min Input Limit for Analog input measurement with NI 9239, it seems that it has no real influence to measured data. For example, when I set limits to +-3V and I...
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Not seeing signals in MAX with SCXI-1000 and PCI
GreetingsI'm having difficulty getting a signal to appear in MAX when using a SCXI-1000 chassis, SCXI-1100 module and PCI-MIO-16E-4 card. I am using DAQmx 15.1.1 and MAX 15.3.0. I have attached my MAX...
View ArticleCounter time base properties
I was trying to generate a 15 MHz square pulse using counter in 6251 with a duty cycle of 75%. However as I run the code, the error as in the file attached comes up.I'm new to all this. Would anyone...
View ArticleCalibrating procedure for an NI 9208 using Calibration Executive
Is there a procedure for calibrating the NI 9208 using Calibration Executive? I am currently using Calibration Executive 3.4.1 and I do not see this module listed in the Device Types drop down...
View ArticleDAQmx processing requirements
I have been attempting to run a script that does data acquisition, reading current spikes. Unfortunately the computer I would like to do the tests with cannot keep up with the data acquisition rate. I...
View ArticleTime-resolved pulse counting measurements
First of all, I apologize if the title is difficult to understand. I'm not sure exactly what to call what I am doing, which might be why I am having trouble finding examples and instructions online. I...
View ArticleManchester coding/decoding with DAQmx
Hi!I'd like to transmit/receive Manchester coded frames @10Mbps, adapting the VIs explained on http://www.ni.com/example/31126/en/ so that they could process data coming from/to DAQmx. I was thinking...
View ArticleError 200284 using PCI 6133
Hello, I have a PCI 6133, it passes the self-test but when testing panels in MAX I always get the error 200284. When I try to self-calibrate I get error 200474, which is caused maybe for the same...
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Not able to read 4000 samples from the analog channels of cDAQ module (NI 9205)
Please check the bloack diagram (FALSE state of Case Structure has Wait function with 20ms) and attached code (saved in LabVIEW 2015). On running the code and using 'Trig' button, I can see only 1000...
View ArticleAccuracy Issue (NI 9216 & NI 9217)
Gurus,I am having a custom test apparatus built by an outside contractor that is to include an NI cRIO with a few different DAQ modules; including the NI 9216 and NI 9217 RTD modules. Our uncertainty...
View ArticleGated counting by both rising and falling edges with PCI 6229
Hello experts, I have a pulsed signal and a square wave gating, and I want to count the difference of pulse numbers between high gate and low gate in a single period (1kHz). What's the best way to...
View Article64-bit acqusition buffers?
After a long time away, I'm back to programming with NI-DAQmx C interfaces! My project right now is to port our DAQ module to 64 bits. I see that lots of the API's have 32-bit parameters for buffer...
View ArticleDAQ for creating 2 output channels at 1MHz each
Hello everyone,I'm currently working on a project and i would need to sync two different signal generators at the frequency of 1MHz. Now, since both of them have a single channel output and there is no...
View ArticleIncreasing memory consumption with time
Greetings,I have a MCC DAS1000 and usb3102 card. When I check the memory counsumption of the PC I see it increasing with time until at some point the PC freezes and I have to restart.What may cause...
View ArticleUSB 6008 using all analogue input channels simultaneously
Hi all, I'm using NI USB 6008 to record some data, from its analog input channels. I need to use all 8 input channels at once (A0-A7). When using A0-A3, everything works well, but when using A4-A7,...
View ArticleReference Trigger with Digital Pattern not supported, DAQmx_Val_DigPattern...
Hello,I have a cDAQ NI9184: 4 slot chassis with a NI9234: 4channel IEPE Analog Inputs, and NI9421 8 channel Digital sinking inputI am trying to configure an analog input task with a digital start...
View ArticleUSB 6009 Amp
Hi Everyone,I have a small project working with an Instron model 1000, trying to set-up a teaching demo. I was able to identify an analog output related to force from the machine, that outputs a...
View ArticleNI 9469 De-Synchronization Breaks DAQ Task
It appears that de-synchronizing a set of cDAQ chassis (synchronized using NI 9469 modules) by disconnecting any of the sync lines will cause the entire DAQ task that rely on the synchronized clock to...
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