Sample Clock Signal

A sample consists of one reading from each channel in the AI or DI task. SampleClock signals the start of a sample of all analog input or digital input channels in the task. SampleClock can be generated from external or internal sources as shown in the following figure.

The name of terminal using the Sample Clock task can be queried using the Sample Clock Terminal Property.

Figure 26. Analog and Digital Input Timing Options

1378

Routing the Sample Clock to an Output Terminal

You can route SampleClock to any output PFI terminal. SampleClock is an active high pulse by default.