8-11
(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
8
