I am measuring a signal that, at steady state, is not of concern to me. However, I want to be able to log and record data once I have crossed a certain threshold. I have found a feature in DAQmx called Analog Edge triggering, but get an error in DAQExpress when I configure my device task to use this. The error states Requested value is not a supported value for this property. The property value may be invalid because it conflicts with another property.
This indicates that your device doesn't support analog edge triggering. If you require this functionality, you have two options moving forward:
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