|NI-DAQmx 18.6 Help|
|NI-DAQmx 19.0 Help|
|NI-DAQmx 19.1 Help|
|NI-DAQmx 19.5 Help|
The following devices support Sample Clock timing for time-based measurements of digital signals, such as frequency, period, and two-edge separation measurements.
|Note You cannot use Sample Clock timing for semi-period measurements on X Series devices.|