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(2) I/O monitor
In the “Terminal” menu, click “I/O Monitor (I)” under “Monitor” to display the “I/O Monitor” dialog box (see
Figure 8.11).
With the “I/O Monitor” dialog box, it is possible to monitor the on/off status of DI and DO points. It displays the
status of electrical I/O signals regardless of the I/O logic setting. For reference of DI and DO numbers and signal
names, see Chapter 6.
Figure 8.11 “I/O Monitor” dialog box
DO status
Select DI/DO points to display
DI status
Red: on
Black: off
Gray: nonexistent
I/O point
Red: on
Black: off
Gray: nonexistent
I/O point
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