FX-TRN-BEG-E Operation 3
C-22
3.4.2 Monitor display
When you write a program to the virtual PLC, the ladder program area automatically displays
the monitoring result and you can check the ON/OFF status and stored values of devices.
The device status is displayed as follows.
In order would to finish monitoring and write or edit a program, click the [Edit Ladder] button on
the remote control.
• Changing the current value display format
The current values of devices can be expressed in decimal or hexadecimal.
1) Select "Online"
→
"Monitor",
→
"Change current value monitor (Decimal)" or "Change
current value monitor (Hexadecimal)".
Then, the present values of timers and counters as well as the present values of operand
devices of application instructions are displayed in the selected display format.
The present values are displayed in real numbers if the instructions take real numbers.
3.4.3 Device test
During monitoring, you can confirm the program operation by setting devices to ON or OFF
and changing the present values.
1) Select "Online"
→
"Devece Test".
2) When the ’Device Test’ dialog box is displayed, type the device number to the ’Device’ field.
•Bit device
OFF status
ON status
Decimal
format
Hexadecimal
format
Force the selected device ON.
Force the selected device OFF.
Force a change in the status of a
device.
Type the device number whose
value is to be changed.
ON
In the virtual PLC, you
can forcibly set inputs
(X) ON or OFF.
In the actual FX Series
PLC, however, the
priority is given to actual
connected equipment so
you cannot forcibly set
inputs (X) ON or OFF.
You can also force a change in the device status by
placins the cursor on the device and pressing [shift] +
[Enter] or [shift] + double-click.
ON
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