Mitsubishi MELSEC System Q Manual page 105

An Introduction to Programming
– Assigning of local variables
The output variable of the PLS_M function is only used in this POU. Therefore it can be a local
variable. No local variables were assigned for this project yet because this can be done during
programming.
Enter the variable name Pulse_open_gate into the empty '?' box.
The following prompt is displayed because the variable does not exist in the Local Variable List
or the Global Variable List:
Click on Define Local . The Variable Selection window is displayed, prompting a new variable
to be defined:
Click Define to enter the new variable into the Local Variable List (Local Header of the POU).
Finally, the ladder network must be finalised by connecting up the elements.
Click on the bus bar at the left on the ladder diagram and "Click – Drag" across the diagram and
release on the contact. Release the left mouse button at this point.
Connect all other elements in this network in the same way.
MELSEC System Q Beginners Manual
For this purpose the tool bar contains the icon "Line mode". Note
that the pointer now changes to a small pencil icon.
Programming PLC Applications
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