Digital I/O - National Instruments DAQ X Series User Manual

Digital I/O

X Series devices contain up to 32 lines of bidirectional DIO signals on
Port 0. In addition, X Series devices have up to 16 PFI signals that can
function as static DIO signals.
X Series devices support the following DIO features on Port 0:
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Figure 6-1 shows the circuitry of one DIO line. Each DIO line is similar.
The following sections provide information about the various parts of the
DIO circuit.
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Up to 32 lines of DIO
Direction and function of each terminal individually controllable
Static digital input and output
High-speed digital waveform generation
High-speed digital waveform acquisition
DI change detection trigger/interrupt
6-1
6
X Series User Manual