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Chapter 5 Counters
You can specify a pulse width. The pulse width is also measured in terms of a number of active
edges of the Source input. You also can specify the active edge of the Source input (rising or
falling).
Figure 5-26 shows a generation of a pulse with a pulse delay of four and a pulse width of three
(using the rising edge of Source).
Figure 5-26. Single Pulse Generation
Single Pulse Generation with Start Trigger
The counter can output a single pulse in response to one pulse on a hardware Start Trigger signal.
The pulse appears on the Counter n Internal Output signal of the counter.
You can specify a delay from the Start Trigger to the beginning of the pulse. You also can specify
the pulse width. The delay is measured in terms of a number of active edges of the Source input.
You can specify a pulse width. The pulse width is also measured in terms of a number of active
edges of the Source input. You can also specify the active edge of the Source input (rising and
falling).
Figure 5-27 shows a generation of a pulse with a pulse delay of four and a pulse width of
three (using the rising edge of Source).
Figure 5-27. Single Pulse Generation with Start Trigger
Pulse Train Generation
Refer to the following sections for more information about the cDAQ chassis pulse train
generation options:
• Finite Pulse Train Generation
• Retriggerable Pulse or Pulse Train Generation
• Continuous Pulse Train Generation
• Buffered Pulse Train Generation
• Finite Implicit Buffered Pulse Train Generation
SOURCE
GATE
(Start Trigger)
OUT
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