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How to collect analog input data every trigger edge detection for USB-231




I would like to use the USB-231 to collect analog input data each time an externally input Trigger edge is detected. When calling the AInScan method with the ExtClock option enabled, the following error appears. "Invalid option specified for this function." Could you tell me what am I doing wrong? Or is this function used to signal the start of measurement, and is it possible to use it for the purpose of collecting data for a set number of times for each trigger?

If the USB-231 can't do this, which models can? 16bit resolution is required.

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