Omron SYSMAC C Series User Manual page 45

Checking and running your program
Locate the device you wish to check. We could do this for Counter 47 in
our practice program, for instance, by keying in
which gives this display.
Press
MONTR
and the display changes to this.
If the PC were currently operating, we would be able to watch the counter
as it is decremented. The same thing is also possible with timers.
Rapid check of counter/timer values
For a fast way to visually scan the set value of all timers and counters in a
program, go to an address where a timer or counter is located. Then
press
MONTR
and the set value of the timer/counter is displayed as a four-digit number.
Then, each time you press
you wili be able to see the set time of the next timer/counter.
Rapid check of relay status
You can check the status of relay contacts using the same technique. To
do this, go to the address of a relay you want to check. Then press
MONTR
to display the current status (whether ON or OFF) of the relay. Then, to
move to the next relay, press either
Ea