How can I add multiple single-ended analog input channels on MATLAB?
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Hi guys, I have a national instruments NI USB-6009 device connected to the computer and I trying to import 3 single-ended input channels and a common ground on MATLAB (for it to create a voltage graph.)
I tried importing ai0 and making that single ended, which worked, but then when i tried to import ai1, I got this error:
NI Error -200077:
Requested value is not a supported value for this property. The property value may be invalid because it conflicts with another
property.
Property: DAQmx_AI_Min
Requested Value: -20.0
Valid Values Begin with: -10.0
Valid Values End with: 10.0
Channel Name: Dev1/ai1
Task Name: _unnamedTask<63>
Status Code: -200077
Also, when I tried importing them all at once, but I'm not sure how to make all 3 channels single-ended. Is there another way to do this? OR will it work if I just add the first three channels without making them single-ended but using one ground? Won't the computer assume that ground is ground? Thanks!
5 个评论
Lokesh Ravindranathan
2013-6-23
You can test the configuration of the device using NI Measurement and Automation Explorer. A detailed explanation is available here: http://digital.ni.com/public.nsf/allkb/71544521BDE34FFB86256FCF005F4FB6. You can connect the device and test the desired configuration. If it works in the NI MAX and not in MATLAB, then its a programming issue. Else, it would mean the device cannot be set to the desired configuration.
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Z
2013-6-28
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Weston Cole Meyers
2024-4-9
Hello, I know this is over 10 years later, but can you expand upon what you mean by using the single-ended command with multiple channels in brackets? I'm also using session based and TerminalConfig doesn't seem to work for session based. Thanks
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