3. CREATING A PLC PROGRAM
3-4
2. The
Add Task
window is displayed. Enter the task name, and then click
Add
.
(2) Creating a program
1. Double-click
PLC_PRG (PRG)
in the
Devices
window to display a window for
creating a program. You can create a program in the
PLC_PRG
tab. In the declaration
part in the upper pane, define variables. In the body in the lower pane, describe an
algorithm.
(*) POU is a program unit. Each POU is made of a declaration part and a body.
Only one programming language can be used in one POU. If you want to use
multiple programming languages, you must add a POU for each language.
Declaration part
Body
POU (*)
Task