Operation
Creating a PLC sample program
Create PLC program
8
51
LDCDS−EL100 EN 8.0
4. Enable the
General
register and select the
Download symbol file
control field.
This enables data exchange between the visualistion and the PLC.
5. Click
OK
to close the dialogue.
The "New POU" dialogue will be opened.
6. Select the
ST
(structured text) control field.
7. Click
OK
to close the dialogue.
The "PLC_PRG (PRG−ST)" programming window will be opened.
In the next step, we will declare a local variable.