MATLAB: National Instruments USB 6210 does’t work in Simulink, Analog Input Block

analog input blockData Acquisition Toolboxni usb 6210

Hallo,

i try to read out signals of NI USB 6210 with Simulink "Analog Input Block" but I can't find my device in the list of the Block Parameters (Data acquisition board–>Istall new board). Boards like PCI 6250 are listet and many more of the National Instruments boards but no USB Board.

I have installed Data Acquisition Toolbox and NI-DAQmx (nidaqmx.mlpkginstall, https://de.mathworks.com/hardware-support/nidaqmx.html). The description of the supported hardware says that USB-6210 is supported. And reading singnals with matlab useing e.g. daq.createSession('ni');… works great. I use Matlab R2015b 64bit. So please can you help me? Kind regards Uriel

Best Answer

Hi Uriel,

In R2015b, Data Acquisition Toolbox Simulink Blocks support only Legacy Interface, that too on 32-bit MATLAB. You can refer to the following link for further information

https://www.mathworks.com/help/releases/R2015b/daq/choose-the-right-interface.html

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The Meilhaus Redlab 1208LS device is actually a Measurement Computing USB-1208LS device which is supported by Data Acquisition Toolbox.

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There are two interfaces for data acquisition. The older Session interface and the new DataAcquisition interface. In either case, you just add input channels to your session/daq object for each input and module.

For example, with the Session interface:

s = daq.createSession('ni');
addAnalogInputChannel(s, 'cDAQ1Mod1', 'ai0', 'Voltage');
ch = addCounterInputChannel(s, 'cDAQ1Mod2', 'ctr0', 'EdgeCount');
% ... add more input channels as needed

ch.Terminal % examine the terminal and wire to it accordingly

s.Rate = 10;
s.DurationInSeconds = 1;
data = startForeground(s);

While for the DataAcquisition interface:

dq = daq("ni");
addinput(dq, "cDAQ1Mod1", "ai0", "Voltage");
ch = addinput(d,"cDAQ1Mod5","ctr0","EdgeCount"); 
% ... add more input channels as needed
ch.Terminal % examine the terminal and wire to it accordingly
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Best Answer

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