The following devices support Sample Clock timing for time-based measurements of digital signals, such as frequency, period,
and two-edge separation measurements.
Bus-powered M Series USB devices
Parallel digital I/O modules connected to CompactDAQ chassis, CompactDAQ controllers, CompactRIO controllers and CompactRIO Single-Board controllers. Refer to
Digital I/O Considerations for C Series Devices.
PXIe-6612 and 6614 devices.
PXIe-6738 and 6739 devices.
X Series Devices
You cannot use Sample Clock timing for semi-period measurements on X Series devices.