I cannot set the input terminal configuration for my AIvoltage task

[vecsol]

My analog in voltage measurement task created with VB6 and Measurement Studio will not allow the input terminal configuration to be changed from DAQmx_Val_Cfg_Default to DAQmx_Val_NRSE. I receive error message: "Requested value is not a supported value for this property." However the value I am trying to use comes directly from the "NI-DAQmx C Reference Help" for the DAQmxCreateAIVoltageChan task.

[AdnanZ · Accepted solution]

Yea, I believe this issue was reported recently. Don't know why that happens but the workaround is to find out the integer values associated with each of the parameters in the header file NIDaqmx.h:

C:\Program Files\National Instruments\NI-DAQ\NI-DAQmx ANSI C Dev\include\NI-DAQmx.h

Then just pass this value to your function. Let us know if that works or not.

[Dennis_Knutson]

Well, first you have to check whether the DAQ device you are using actually supports NRSE. I suspect it does not because you are getting that error. Read what the manual has to say. The model number of the device is important information and you did not provide it/

[vecsol]

Thank you Adnan. Your suggestion of substituting the numeric value from the header file has solved this problem completely. FYI the numeric 10078 sets the input terminal configuration to NRSE.

[vecsol]

The device is USB 6281.

[dansch]

Hello vecsol,

Adnan is correct; this behavior is documented in the KnowledgeBase article 4U0DJ8QL which can be found here. Thanks for your post!