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Chapter 4 Connecting Signals
© National Instruments Corporation 4-19 NI 6115/6120 User Manual
The DAQ signals are explained in the DAQ Timing Connections section
later in this chapter. The Waveform Generation Timing Connections section
later in this chapter explains the waveform generation signals, and the
General-Purpose Timing Signal Connections section later in this chapter
explains the general-purpose timing signals.
All digital timing connections are referenced to DGND. This reference is
demonstrated in Figure 4-11, which shows how to connect an external
TRIG1 source and an external STARTSCAN source to two PFI pins on the
NI 6115/6120.
Figure 4-11. Timing I/O Connections
DGND
PFI0/TRIG1
PFI7/STARTSCAN
I/O Connector
NI 6115/6120
TRIG1
Source
STARTSCAN
Source