Inserting program elements
Drag and drop required program elements to the ladder editor.
"Navigation window" "Program" "Scan" "MAIN" "ProgPou" "Program"
Procedure
Insert a normally open contact of "Start1" in the program example, following the procedure below.
(1)
(2)
(3)
Insert other program elements in the program example in the same way.
Common instructions, such as contacts and coils, standard functions/function blocks, and user-defined
function blocks/functions can be found in the [POU List] (1) in the Element Selection window. Narrow down
the list using the drop-down menu (2) for "Display Target" and making a selection.
(1)
4 PROCEDURES BEFORE OPERATION
34
4.7 Programming
1.
Select a program element from the Element Selection window,
and drag and drop (1) it to the desired position in the ladder
editor. In this example, drag and drop "LD[1]".
2.
Double-click the inserted program element to open the ladder
entry window, and click the [Extd Dspl] button.
3.
Specify the operand. In this example, enter "Start" for "s" in the
"Device/Label" field (2).
4.
Select an item from the displayed list (3). In this example, select
"Start1".
5.
The normally open contact of "Start1" is inserted to the
program.
(2)