Omron F250-UME Software Manual page 786

Checking I/O Status with External Devices
CHECK
4-(32)
5. Select Parallel.
The Parallel I/O Monitor Screen will be displayed.
Parallel I/O monitor
Display Details
Display
STEP Displays the input status for each signal from the external device to
the Controller.
DSA
DI
RUN Displays the output status for each signal from the Controller to the
external device.
ERR
These displays can be changed to ON/OFF or 0/1 even if measure-
OR
ments are not executed.
BUSY
Move the cursor to the display item. The display will change each
GATE
time the ENT Key is pressed.
DO
6. Press the ESC Key to exit this screen.
The screen in (4.) will return.
STEP : OFF DSA
DI 15-0 : 000000000000000
RUN : OFF ERR
OR BUSY
: OFF
: OFF
GATE
DO 31-16 : 0000000000000000
DO 15-0 : 0000000000000000
Meaning
Section 4-5
: OFF
: OFF
: OFF