Adlink DAQe-2006 Manual de usuario descargar pdf (Pagina 56)

44 Operation Theory

Post-Trigger or Delay-trigger Acquisition with re-trigger

Use post-trigger or delay-trigger acquisition with re-trigger

function in applications where you want to collect data after

several trigger events. The number of scans after each trigger

is specified in PSC_counter, and users could program

Retrig_no to specify the re-trigger numbers. Figure 4-12 illus-

trates an example. In this example, two scans of data is

acquired after the first trigger signal, then the card waits for the

re-trigger signal (re-trigger signals which occur before the first

two scans is completed will be ignored). When the re-trigger

signal occurs, two more scans are performed. The process

repeats until specified amount of re-trigger signals are

detected. The total acquired data length = number of enable-

channel * PSC_counter * Re-trig_no.

Figure 4-12: Post trigger with re-trigger

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Adlink DAQe-2006 Manual de usuario Pagina 56