Digital I/O Signal Connections; All Boards; Figure 4-10. Digital I/O Connections - National Instruments DAQ PCI-6023E User Manual

Digital I/O Signal Connections

All Boards

LED
+5 V
© National Instruments Corporation
All boards have digital I/O signals DIO<0..7> and DGND. DIO<0..7> are
the signals making up the DIO port, and DGND is the ground reference
signal for the DIO port. You can program all lines individually to be inputs
or outputs.
Figure 4-10 shows signal connections for three typical digital I/O
applications.
+5 V
TTL Signal
Switch
I/O Connector

Figure 4-10. Digital I/O Connections

Figure 4-10 shows DIO<0..3> configured for digital input and DIO<4..7>
configured for digital output. Digital input applications include receiving
TTL signals and sensing external device states such as the state of the
DGND
4-21
Chapter 4 Signal Connections
DIO<4..7>
DIO<0..3>
PCI-6023E/6024E/6025E User Manual