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4-5
Typical Digital I/O Wiring
This section provides a typical non-TTL digital input wiring example for
the PIO-32IN board and a typical digital output control wiring example
for the PIO-32OUT board.
In the digital input example shown in Figure 4-4, the PIO-32IN board
monitors the presence of non-TTL signals. If no signal is present, the
input value is 0; if a non-TTL signal is present, the input value is 1. The
polarity matters for a digital input.
Figure 4-4. Typical Non-TTL Digital Input Wiring Example
28V
+
–
push button
R
LOAD
Positive
(+)
Negative (-)
PIO-32IN
Содержание PIO-32
Страница 1: ...PIO 32 Series User s Guide A G R E A T E R M E A S U R E O F C O N F I D E N C E ...
Страница 5: ...PIO 32 Series User s Guide Revision E April 2001 Part Number 88170 ...
Страница 11: ...iv ...
Страница 33: ...3 13 2 On the AIO Control Panel click the DIO tab Figure 3 3 DIO channel tab example ...